AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Higher – Unit 2 OVERVIEW for Higher Tier 1 hour 15 minutes non-calculator exam 66 marks – 33.3% 20 -30% Functional Elements 25 marks Number, 41 marks Algebra ALL FOUNDATION TOPICS ARE SUBSUMED INTO HIGHER Topic Y10 Spring & SUMMER TERM 7. Number skills Teaching hours 4 8. Factors, multiples and powers 9. Basic rules of algebra 10. Fractions 4 11. Decimals 3 12. Equations and inequalities 13. Indices and formulae 6 14. Percentages 15. Sequences and proof 4 6 4 6 6 AQA Modular specification reference Working with numbers and the number system: N1.2, N1.4, N1.4h, N1.11h, N1.12h Working with numbers and the number system: N1.6, N1.7, N1.8, N1.9, N1.9h, N1.10h The Language of Algebra: N4.1 Expressions and Equations: N5.1, N5.1h Working with numbers and the number system: N1.2, N1.3, N1.5 Fractions, Decimals and Percentages: N2.1, N2.2, N2.7 Expressions and Equations: N5.3h Working with numbers and the number system: N1.1, N1.2 Fractions, Decimals and Percentages: N2.3, N2.4 Expressions and Equations: N5.4, N5.4h, N5.7, N5.7h Working with numbers and the number system: N1.9 The Language of Algebra: N4.2, N4.2h Expressions and Equations: N5.6 Fractions, Decimals and Percentages: N2.5, N2.7, N2.7h Expressions and Equations: N5.9, N5.9h Sequences, Functions and Graphs: N6.1, N6.2 16. Linear graphs 7 17. Ratio and proportion 18. Quadratic equations 4 6 AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Expressions and Equations: N5.4h, N5.7h Sequences, Functions and Graphs: N6.3, N6.4, N6.5h, N6.6h, N6.11, N6.12 Ratio and Proportion: N3.1, N3.2, N3.3 Expressions and Equations: N5.2h, N5.5h AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 7 Number skills Time: 4 hours SEE FOUNDATION SCHEME OF WORK N1.2 Add, subtract, multiply and divide any number. N1.4 Approximate to a given power of 10, up to three decimal places and one significant figure. ADDITIONAL HIGHER CONTENT N1.4h Approximate to a given power of 10, up to three decimal places and one significant figure N1.11 h Surds and π in exact calculations N1.12h Rules of arithmetic applied to calculations and manipulations with surds AQA Spec ref N1.4h Learning objectives Grade Common mistakes and misconceptions Approximate to specified or appropriate degrees of accuracy, including a given number of decimal places and significant figures Check and estimate answers to problems Estimate answers to problems involving decimals Make estimates and approximations of calculations B Finding an approximate value independent of the context in which it is set. Working out the actual answer instead of an approximation. N1.11h Simplification of surds Rationalise a denominator A/A* N1.12h Apply the rules of arithmetic to calculations and manipulations with surds simplify expressions using the rules of surds expand brackets where the terms may be written in surd form solve equations which may be written in surd form A* Not square rooting a number when taking it outside of the root sign e.g √20 = √4 x 5 = 4 √ 5 instead of 2 √ 5 Not using inverse sign to rationalise a denominator with 2 terms AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 9.1 – 9.3 AQA Modular GCSE Mathematics Higher Tier Place value, reading and writing numbers, non-calculator methods for addition and subtraction P1 Non-calculator methods for multiplication and division P2 Order of operations in a calculation P4 Negative numbers P5 Approximation and rounding to the nearest 10, 100, 1000 P20 Round in real life problems P21 Rounding using decimal places P22 Rounding using significant figures P23 Choosing a suitable degree of accuracy P24 Estimation P25 Irrational numbers P76 Surds; manipulating and simplifying P77 Rationalising denominators of fractions P79 HigherPractice Book sections 10.3 -10.4, 20.3 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Number/Teaching Resources Lesson plans/worksheet/homework sheet www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Surds/Teaching Resources Lesson plans/worksheets/homework sheets/powerpoints Functional skills activities 1.1 – 1.4, 12.1 -12.2, 12.4 Notes: Multiplication and division of integers will be limited to 3 digit by 2 digit. Decimals will be limited to multiplying or dividing by a single digit integer or a decimal number to 1 significant figure. Candidates may use any algorithm for addition, subtraction, multiplication and division. Candidates should know that some answers need to be rounded up and some need to be rounded down. Candidates should know that when using approximations for estimating answers, numbers should be rounded to one significant figure before the estimating is done. Closely related - N1.1 Understand integers and place value to deal with arbitrarily large positive numbers. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 8 Factors, Multiples and Powers Time: 4 hours SEE FOUNDATION SCHEME OF WORK N1.6 The concepts and vocabulary of factor (divisor), multiple, common factor, highest common factor, least common multiple, prime number and prime factor decomposition. N1.7 The terms square, positive and negative square root, cube and cube root. N1.8 Index notation for squares, cubes and powers of 10. N1.9 Index laws for multiplication and division of integer powers. ADDITIONAL HIGHER CONTENT N1.9h Fractional and negative powers. N1.10h Interpret, order and calculate numbers written in standard index form. AQA Mod spec ref N1.8, N1.9h N1.6 N1.9, N1.9h, N1.10h Learning objectives Grade Common mistakes and misconceptions Understand and use index notation in calculations Understand and use negative powers and numbers to the power of 1 or 0 Understand how to manipulate fractional powers Write a number as a product of prime factors using index notation Use prime factors to find HCFs and LCMs B, A Not being able to describe numbers written with powers. Working out 45 as 4 × 5. Not identifying the prime factors that appear in the decompositions of both numbers when finding the HCF. Use laws of indices to multiply and divide numbers written in index notation Interpret, order and carry out calculations with numbers given in standard form write an ordinary number in standard form write a number written in standard form as an ordinary number order numbers that may be written in standard form simplify expressions written in standard form solve simple equations where the numbers may be written in standard form C, B C, B Not converting the answers to calculations back into standard form (e.g. 32 × 10–4 3.2 × 10–3). AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 10.1 – 10.6 AQA Modular GCSE Mathematics Higher Tier Multiples and factors, prime numbers, prime factors, products of prime factors and index notation P49 Square numbers and cube numbers P51 Multiplying and dividing numbers with powers, rules of indices P53 Negative powers and reciprocals P54 Powers and roots, harder fractional powers P58 Very large numbers P60 Very small numbers and Standard Form P62 Standard Form calculations without a calculator P66 Higher Practice Book 10.1 -10.2, 15.1 – 15.3, 17.1 -17.2 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/HigherTier/Unit 2/Number /Teaching Resources Lesson plans/worksheets/homework sheets 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Indices & Standard Form/Teaching Resources Lesson plans/homeworksheet/ /worksheet Functional skills activities 12.3 AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 9 Basic rules of Algebra Time: 4 hours SEE FOUNDATION SCHEME OF WORK N4.1 Distinguish the different roles played by letter symbols in algebra, using the correct notation. N5.1 Manipulate algebraic expressions by collecting like terms, by multiplying a single term over a bracket, and by taking out common factors. . ADDITIONAL HIGHER CONTENT N5.1h Multiply two linear expressions. AQA Mod spec ref N5.1h Learning objectives Grade Common mistakes and misconceptions Multiply together two algebraic linear expressions with brackets Square a linear expression understand that the transformation of algebraic expressions obeys and generalises the rules of generalised arithmetic manipulate an expression by collecting like terms multiply a single term over a bracket write expressions using squares and cubes factorise algebraic expressions by taking out common factors C, B, A Forgetting to multiply pairs of terms multiply two linear expressions such as Higher tier and at AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 11.1 – 11.6 AQA Modular GCSE Mathematics Higher Tier Algebra P86 Expressions and terms, simplifying expressions P87 Multiplying and dividing algebraic expressions with powers P89 Brackets P91 Factorising P92 Brackets, more brackets P174 Higher Practice Book 12.1 – 12.2 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Algebraic manipulation and formulae/Teaching Resources lesson plans/worksheets/homework sheet Functional skills activities AQA GCSE Maths Middle sets Book P196 eBay business Notes: Including (x + a)(x + b) and (cx + a)(dx + b) Closely related – N4.2 Distinguish in meaning between the words ‘equation’, ‘formula’, and ‘expression’. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 10 Fractions – non-calculator methods Time: 6 hours SEE FOUNDATION SCHEME OF WORK N1.2 Add, subtract, multiply and divide any number. N1.3 Understand and use number operations and the relationships between them, including inverse operations and hierarchy of operations. N1.5 Order rational numbers. N2.1 Understand equivalent fractions, simplifying a fraction by cancelling all common factors. N2.2 Add and subtract fractions. N2.7 Calculate with fractions, decimals and percentages. ADDITIONAL HIGHER CONTENT N5.3h Simplify rational expressions AQA Mod spec ref N5.3h Learning objectives Grade Common mistakes and misconceptions This objective may be better left until after the teaching on quadratics Apply the four rules to algebraic fractions, which may include quadratics and the difference between two squares Simplify or cancel rational expressions by looking for common factors A/A* Cancelling algebraic terms before factorising AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 12.1 – 12.7 AQA Modular GCSE Mathematics Higher Tier Fractions, equivalent fractions, types of fractions, finding fractions of quantities P12 How to add and subtract fractions P13 How to multiply fractions P14 How to divide fractions P15 Problems involving fractions P16 Fractions and decimals P17 Equations with fractions P99 Algebraic fractions; simplifying algebraic fractions P203 Arithmetic of algebraic fractions P204 Solving equations involving algebraic fractions P205 Higher Practice Book 10.5, 22.1, 26.1, 40.3 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Algebraic Manipulation and formulae/Teaching Resources lesson plans/worksheets/homework sheets Functional skills activities 3.1, 3.3, 14.2, 14.4 Notes: This is part of the core number work across all units. Closely related N2.3 Use decimal notation and recognise that each terminating decimal is a fraction. N2.4 Recognise that recurring decimals are exact fractions and that some exact fractions are recurring decimals. N2.5 Understand that ‘percentage’ means ‘number of parts per 100’ and use this to compare proportions. N2.6 Interpret fractions, decimals and percentages as operators. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 11 Decimals – non-calculator methods Time: 3 hours SEE FOUNDATION SCHEME OF WORK N1.1 Understand integers and place value to deal with arbitrarily large positive numbers. N1.2 Add, subtract, multiply and divide any number. N2.3 Use decimal notation and recognise that each terminating decimal is a fraction. N2.4 Recognise that recurring decimals are exact fractions, and that some exact fractions are recurring decimals. ADDITIONAL HIGHER CONTENT None AQA Mod spec ref N2.3, N2.4 Learning objectives Grade Common mistakes and misconceptions Convert fractions to decimals Recognise recurring decimals Understand how recurring decimals relate to fractions D, C, B 1 Confusing 0.3 with 3. Not understanding that recurring decimals are a form of exact maths and therefore rounding answers. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 13.1 – 13.4 AQA Modular GCSE Mathematics Higher Tier Decimals – addition and subtraction non-calculator methods P8 Non-calculator methods for addition and subtraction of decimals P9 Non-calculator methods for multiplying and dividing decimals P9 Fractions and decimals P17 Recurring decimals P18 Changing recurring decimals to fractions P74 Higher Practice Book 20.1 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Decimals/Teaching Resources lesson plans/worksheets/homework sheets/powerpoints Functional skills activities 3.4, 14.1, 14.2 Notes: This includes questions where the answer to one calculation can be used to work out the answer to a related calculation. Closely related N1.4 N1.5 N2.5 N2.6 N2.7 Approximate to a given power of 10, up to three decimal places and one significant figure. Order rational numbers Understand that ‘percentage’ means ‘number of parts per 100’ and use this to compare proportions. Interpret fractions, decimals and percentages as operators. Calculate with fractions, decimals and percentages as operators. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 12 Equations and Inequalities Time: 6 hours SEE FOUNDATION SCHEME OF WORK N5.4 Set up and solve simple linear equations. N5.7 Solve linear inequalities in one variable and represent the solution set on a number line. ADDITIONAL HIGHER CONTENT N5.4h Including simultaneous equations in two unknowns. N5.7h Solve linear inequalities in two variables, and represent the solution set on a suitable diagram. AQA Mod spec ref N5.4 Learning objectives Grade Common mistakes and misconceptions Solve equations involving fractions C, B Incorrectly cancelling after multiplying by the LCM. Solving out of order (e.g. N5.7, N5.7h Represent inequalities on a number line Write down whole-number values for unknowns in an inequality Solve inequalities E, D, C, B N5.4h Solve a pair of simultaneous equations by elimination or substitution or any other valid method solve simultaneous equations when one is linear and the other quadratic, of the form B where a, b and c are integers x2 8 : trying 4 to do −2 first). Not reversing the sign when multiplying or dividing by a negative. Confusing the convention of an open circle for a strict inequality and a closed circle for an included boundary. Adding equations when they should be subtracted, and vice versa. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 14.1 – 14.7 AQA Modular GCSE Mathematics Higher Tier Solving equations P95 The balance method P96 Equations with brackets P97 Equations with letters on both sides P98 Writing equations P101 Inequalities; number lines P155 Solving inequalities P156 Multiplying or dividing an inequality by a negative number P157 Double inequalities P158 Inequalities involving integers P159 The elimination method P192 The substitution method; solving problems using simultaneous equations P195 Simultaneous equations in which one equation is linear and one is quadratic P197 Higher Practice Book 26.1 - 26.4, 34.1 - 34.2 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Linear equations and simultaneous equations/Teaching Resources lesson plans/worksheets/homework sheets/powerpoint Functional skills activities 9.1 -9.2, 20.1 -20.3 Notes: Questions may have solutions that are negative or involve a fraction. Questions may be set with or without a context in Unit 2. Linear simultaneous equations may be set with or without a context. Solving simultaneously one linear and one quadratic equation will not be in context or graphical on Unit 2 (but will be in context or graphical or may include geometrical problems on Unit 3). Closely related - N4.2 Distinguish in meaning between the words ‘equation’, ‘formula’, and ‘expression’. N5.9 Use algebra to support and construct arguments. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 13 Indices and Formulae Time: 6 hours SEE FOUNDATION SCHEME OF WORK N1.9 Index laws for multiplication and division of integer powers. N4.2 Distinguish in meaning between the words ‘equation’, ‘formula’, and ‘expression’. N5.6 Derive a formula, substitute numbers into a formula and change the subject of a formula. ADDITIONAL HIGHER CONTENT N4.2h Distinguish the meaning of ‘identity’ AQA Mod spec ref N5.6 Learning objectives Grade Common mistakes and misconceptions Rearrange a formula to make a different variable the subject of the formula. Including where the subject appears twice. C, B N4.2h Understand the word identity and the identity symbol B Not using brackets or a clear division (e.g. rewriting c = 2a + 5 as a = c − 5 ÷ 2). Not using the inverse operation (e.g. x + y = z becomes x = z + y). Not knowing how to interpret the symbol AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 15.1 – 15.6 AQA Modular GCSE Mathematics Higher Tier Writing expressions and formulae P105 Using formulae P107 Substitution into formulae with powers and roots P109 Rearranging formulae P110 Solve problems by rearranging formulae P111 Simplifying expressions, identities P201 Higher Practice Book 24.1 - 24.5, 18.1 -18.3, 22.1 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Algebraic manipulation and formulae/Teaching Resources lesson plans/worksheets/homework sheets Functional skills activities 9.1 -9.2, 201.-20.3 Notes: The core algebra work across all units is N4.2 Candidates should understand the words equation, formula, expression and term but their meaning will not be tested. Questions in Unit 2 will include formulae for generating sequences; for example, write down the first three terms of a sequence where the nth term is given by 2n + 4 (see spec. reference N6.1). Questions in Unit 2 will include formulae in words using a functional context; for example, a formula for cooking a turkey. Questions may include formulae out of context; for example, substitute positive and negative numbers into expressions such as, 3(2 – 3y), 3x2 and 2x3 AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 14 Percentages – non-calculator methods Time: 4 hours SEE FOUNDATION SCHEME OF WORK N2.5 Understand that ‘percentage’ means ‘number of parts per 100’ and use this to compare proportions. N2.7 Calculate with fractions, decimals and percentages. ADDITIONAL HIGHER CONTENT N2.7h Including reverse percentage calculations. AQA Mod spec ref N2.7h Learning objectives Grade Common mistakes and misconceptions Perform calculations involving finding the original quantity calculate a percentage of a quantity solve percentage increase and decrease problems use, for example, 1.12 × Q to calculate a 12% increase in the value of Q and 0.88 × Q to calculate a 12% decrease in the value of Q work out one quantity as a percentage of another quantity use percentages to calculate proportions use reverse percentages to calculate the original amount B Not recognising that the problem is not a straightforward percentage increase/decrease question. Not using the correct multiplier. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 16.1 – 16.5 AQA Modular GCSE Mathematics Higher Tier Changing fractions to decimals to percentages P28 Expressing one quantity as a percentage of another P29 Finding a percentage of a quantity; percentage change P30 Percentage increase and decrease P31 Reverse percentage problems P33 Wages, income tax, spending, best buys, household bills, VAT, savings P34 - 39 Higher Practice Book 11.1 -11.4, 19.1 -19.3 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Fractions, Decimals and Percentages /Teaching Resources lesson plans/worksheets/homework sheets/powerpoint Functional skills activities 3.2, 14.2 – 14.3 Notes: Percentages is part of the core number work required across all units. The core number work will be assessed so that it is linked to other specification references within this unit. Candidates will not be required to calculate repeated percentage change or compound interest in this unit. These are assessed in Unit 1 only. Candidates should be able to interpret percentage problems using a multiplier. In unit 2 reverse percentage problems will be restricted to using numbers consistent with non-calculator skills. Closely related - N2.6 Interpret fractions, decimals and percentages as operators. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 15 Sequences and Proof Time: 6 hours SEE FOUNDATION SCHEME OF WORK N5.9 Use algebra to support and construct arguments. N6.1 Generate terms of a sequence using term-to-term and position-to-term definitions of the sequence. N6.2 Use linear expressions to describe the nth term of an arithmetic sequence. ADDITIONAL HIGHER CONTENT N5.9h Use algebra to construct simple proofs AQA Mod spec ref N5.9h Learning objectives Grade Common mistakes and misconceptions Use algebra to construct simple proofs use algebraic expressions to support an argument or verify a statement construct rigorous proofs to validate a given result A, A* Not recognising that the proof cannot be given with numerical examples. Failure to relate to simple properties of numbers (eg even (2n) odd (2n + 1) AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 17.1 – 17.8 AQA Modular GCSE Mathematics Higher Tier Continuing a sequence, using rules P124 Number sequences P126 Sequences of numbers from shape patterns P128 Special sequences of numbers P129 London GCSE – using and applying mathematics Chapter 11 (leads to proof) Pure Mathematics 1 – Proof Chapter 7 P173 Higher Practice Book 28.1 - 28.2, 22.1 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Algebraic Proof/Teaching Resources lesson plans and starter/homework sheets/worksheets 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Sequences/Teaching Resources lesson plans/homework sheets/worksheets Functional skills activities Notes: Candidates should be able to describe how a sequence continues and will need to be familiar with the idea of a non-linear sequence, such as the triangular numbers or a sequence where the nth term is given by n2 + 4. Candidates should know that the nth term of the square number sequence is given by n2. At Higher tier, candidates will be expected to use skills of expanding and factorising when constructing a proof. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 16 Linear Graphs Time: 7 hours SEE FOUNDATION SCHEME OF WORK N6.3 Use the conventions for coordinates in the plane and plot points in all four quadrants, including using geometric information. N6.4 Recognise and plot equations that correspond to straight-line graphs in the coordinate plane, including finding their gradients. N6.11 Construct linear functions from real-life problems and plot their corresponding graphs. N6.12 Discuss, plot and interpret graphs (which may be non-linear) modelling real situations. ADDITIONAL HIGHER CONTENT N5.4h Including simultaneous equations in two unknowns. N5.7h Solve linear inequalities in two variables, and represent the solution set on a suitable diagram. N6.5h Understand that the form y = mx + c represents a straight line and that m is the gradient of the line and c is the value of the y-intercept. N6.6h Understand the gradients of parallel lines. AQA Mod spec ref N6.5h, N6.6h N5.4h N5.7h Learning objectives Grade Common mistakes and misconceptions Plot straight-line graphs recognise that equations of the form correspond to straight line graphs in the coordinate plane Find the gradient of a straight-line graph Understand the meaning of m and c in the equation y = mx + c Find the equation of a line Understand the gradient of parallel lines manipulate the equations of straight lines so that it is possible to tell whether lines are parallel or not plot graphs of functions in which y is given explicitly in terms of x or implicitly complete partially completed tables of values for straight line graphs calculate the gradient of a given straight line using the y-step method Use a graphical method to solve simultaneous equations D, C, B Forgetting the negative on the gradient. B Solve inequalities graphically Draw or identify regions on a coordinate grid, using the convention of a dashed line for strict inequalities and solid line for an included inequality. know the difference between solve simple linear inequalities in one variable B Forgetting to ensure that the individual lines are drawn accurately. Not appreciating that the graphical solutions to simultaneous equations are only approximate. Mixing up whether the lines should be dotted or solid. Shading the incorrect area. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 18.1 – 18.7 AQA Modular GCSE Mathematics Higher Tier Straight line graphs, drawing a graph from a rule P134 Special graphs P135 Gradient and intercept P136 Perpendicular lines P139 Rearranging equations P140 Using graphs to solve simultaneous equations P189 Simultaneous equations with no solution P191 Graphs of inequalities P159 Regions P160 Inequalities involving sloping lines P161 Real-life situations P145 Distance-time graphs P147 Speed-time graphs P150 Higher Practice Book 29.1, 32.1 – 32.3, 34.1 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Coordinates and graphs/Teaching Resources lesson plans/worksheets/homework sheets/powerpoints www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Linear Equations and Simultaneous equations/Teaching Resources lesson plans/worksheets/powerpoints www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Inequalities in 1 and 2 variables/Teaching Resources lesson plans/worksheets/homework sheets Functional skills activities – any real-life graphs Notes: In unit 2 candidates will be required to identify points with given coordinates and identify coordinates of given points. In unit 2 candidates will be expected to use graphs that model real situations where a calculator is not required. In unit 2 candidates will not be expected to answer questions related to shapes and other geometrical applications. This will be assessed in unit 3. Candidates should note that distance-time graphs will be assessed in Unit 2 only. Gradients of perpendicular lines will not be assessed as a negative reciprocal but candidates should understand the meaning of perpendicular and be able to draw a line perpendicular to another line. Solving simultaneously one linear and one quadratic equation will not be in context or graphical on Unit 2 (but will be in context or graphical or may include geometrical problems on Unit 3). Candidates may be asked to represent given linear inequalities graphically or identify inequalities that satisfy a given region in the x-y plane. AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 17 Ratio and proportion – non-calculator methods SEE FOUNDATION SCHEME OF WORK N3.1 Use ratio notation, including reduction to its simplest form and its various links to fraction notation. N3.2 Divide a quantity in a given ratio N3.3 Solve problems involving ratio and proportion, including the unitary method of solution. ADDITIONAL HIGHER CONTENT None Resources: AQA GCSE Maths Middle sets Book Sections 7.1 to 7.8 (7.8 higher) AQA Modular GCSE Mathematics Higher Tier Ratio P43 Sharing in a given ratio P44 Proportion; direct and inverse proportion P46 Direct proportion P114 Inverse proportion P117 Higher Practice Book 13.1 -13.2, 21.1 – 21.2 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Ratio/Teaching Resources lesson plans & starters/sorting activity/problem sheets/homework sheets Functional skills activities 4.1, 4.2, 15.1 – 15.3 Notes: This is part of the core number work required across all units. Division in a given ratio is only tested in Unit 2. Candidates should be able to use informal strategies, use the unitary method of solution, multiply by a fraction or other valid method. Time: 4 hours AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Topic 18 Quadratic equations Time: 6 hours N5.2h Factorise quadratic expressions, including the difference of two squares N5.5h Solve quadratic equations. AQA Mod spec ref N5.2h Learning objectives Grade Common mistakes and misconceptions Factorise a quadratic expression that is the difference of two squares B Incorrectly expanding brackets (e.g. expanding (x – 3)2 as x2 – 9 N5.2h Factorise a quadratic of the form x²+ bx + c factorise quadratic expressions using the sum and product method or by inspection (FOIL) Solve quadratic equations by rearranging Solve quadratic equations by factorising or completing the square Equations may be derived from rational expressions Write quadratic equations for problems and then solve them B Looking for numbers whose sum is c and product b. B Forgetting that there are two solutions to a quadratic equation. B Not identifying which is the unknown value, or using two variables. N5.2h, N5.5h N5.2h, N5.5h AQA Modular GCSE Two Year Scheme of Work 2010 4360 Specification Resources: AQA GCSE Maths Middle sets Book Sections 19.1 – 19.4 AQA Modular GCSE Mathematics Higher Tier Factorising; factorising quadratic expressions P175 Further factorising P178 Solving quadratic equations P179 Using the quadratic formula P180 Completing the square; rearranging quadratics P182 Solving quadratics by completing the square P184 Problems solved using quadratic equations P185 Higher Practice Book 40.1 - 40.3 www.aqa.org.uk/ 2010 ready/GCSE Maths/Free online resources/Higher Tier/Unit 2/Quadratic Equations/teaching Resources lesson plans/worksheets/homework sheets Functional skills activities Notes: This is part of the core number work required across all units. Division in a given ratio is only tested in Unit 2. Candidates should be able to use informal strategies, use the unitary method of solution, multiply by a fraction or other valid method. Use of the quadratic formula will not be specifically tested on Unit 2 but candidates may use it to solve a quadratic equation, leaving the answers in surd form where appropriate.