Algebraic Expressions Unit Outline Key Skills and Knowledge: Apply the four operations to simple algebraic fractions with numerical denominators Apply knowledge of index laws to algebraic terms, and simplifying algebraic expressions Understand the relationship between factorisation and expansion Factorise algebraic expressions by taking out a common algebraic factor Use the distributive law and the index laws to factorise algebraic expressions Apply the distributive law to the expansion of algebraic expressions, Expand binomial products and factorise monic quadratic expressions using a variety of strategies Express 𝑎𝑥 2 + 𝑏𝑥 + 𝑐 in completed square form where a, b and c are integers by hand Investigate the concept of a polynomial and apply the factor and remainder theorems to solve problems Key Vocabulary: algebraic fractions factorising substitution algebraic expression commutative law associative law quadratic expressions long division factor theorem remainder theorem polynomials Learning Intentions/Targets/Goals: Simplify number sentences and algebraic expressions using index laws and highest common factors (F) Add fractions using common denominators (F) Recognise the highest common factor in a group of numbers or algebraic terms and expressions (F) (U) Simplify expressions resulting from expansion of binomial products (U) Factorise monic quadratic equations e.g. x2 + 7x + 12 using a variety of strategies (R) (PS) Identify common factors including binomial terms in algebraic expressions (U) Factorise algebraic expressions with four terms by using grouping in pairs (U) (R) Recognise patterns for special binomial products e.g. (a+b)(a-b) and (a+b)2 to expand the products (F) (U) Recognise patterns to factorise special cases of quadratic equations e.g. a 2 – b2 (F) (U) Factorise quadratic expressions using the method of completing the square (U) (R) Identify common factors including binomial terms in algebraic expressions (U) Identify a polynomial expression and perform divisions of polynomials using factors and remainders (F) (U) Set Class Work: EX 2B 2C PG 36 39 TOPIC Algebraic Fractions #1 Algebraic Fractions #2 7A 225 Expanding Expressions 7B 229 Factorising #1 7C 234 Factorising #2 7D 19A 19C 19D 19E 19F 239 638 640 648 650 654 Completing the square Polynomials Long division Polynomial values Theorems Factorising #3 SkillsSheet SkillsSheet SET QUESTIONS 2(acegik) 3(acegi) 4(acegi) 1(acegik) 2(acegi) 3(acegik) 4 1(adgj) 2(adgj) 3(adg) 4(adf) 5(aceg) 8(adgj) 9(adg) 10(adg) 11 12 16 1(adgjm) 2(ghikl) 7 8 9 10 12 14 1(adg) 2 3(cfi) 4(adg) 7(adg) 8(adg) 9(acegik) 11(ace) 12(ace) 15 16 17 2(ace) 3(egk) 4(acegi) 5 1 4 5 7 1(ace) 2(ace) 4(abef) 6(aceg) 1 1(aceg) 2(acegi) 3(aceg) 5 7 3 Fractions, Expanding, Factorising Polynomials Assessment Tasks: 1. Linear Algebra Topic Test (SAC) Year 10 Extended Core Mathematics SIGN DATE Algebraic Expressions Unit Outline Key Skills and Knowledge: Apply the four operations to simple algebraic fractions with numerical denominators Apply knowledge of index laws to algebraic terms, and simplifying algebraic expressions Understand the relationship between factorisation and expansion Factorise algebraic expressions by taking out a common algebraic factor Use the distributive law and the index laws to factorise algebraic expressions Apply the distributive law to the expansion of algebraic expressions, Expand binomial products and factorise monic quadratic expressions using a variety of strategies Express 𝑎𝑥 2 + 𝑏𝑥 + 𝑐 in completed square form where a, b and c are integers by hand Investigate the concept of a polynomial and apply the factor and remainder theorems to solve problems Key Vocabulary: algebraic fractions factorising substitution algebraic expression commutative law associative law quadratic expressions long division factor theorem remainder theorem polynomials Learning Intentions/Targets/Goals: Simplify number sentences and algebraic expressions using index laws and highest common factors (F) Add fractions using common denominators (F) Recognise the highest common factor in a group of numbers or algebraic terms and expressions (F) (U) Simplify expressions resulting from expansion of binomial products (U) Factorise monic quadratic equations e.g. x2 + 7x + 12 using a variety of strategies (R) (PS) Identify common factors including binomial terms in algebraic expressions (U) Factorise algebraic expressions with four terms by using grouping in pairs (U) (R) Recognise patterns for special binomial products e.g. (a+b)(a-b) and (a+b)2 to expand the products (F) (U) Recognise patterns to factorise special cases of quadratic equations e.g. a 2 – b2 (F) (U) Factorise quadratic expressions using the method of completing the square (U) (R) Identify common factors including binomial terms in algebraic expressions (U) Identify a polynomial expression and perform divisions of polynomials using factors and remainders (F) (U) Set Class Work: EX 2B 2C PG 36 39 TOPIC Algebraic Fractions #1 Algebraic Fractions #2 7A 225 Expanding Expressions 7B 229 Factorising #1 7C 234 Factorising #2 7D 19A 19C 19D 19E 19F 239 638 640 648 650 654 Completing the square Polynomials Long division Polynomial values Theorems Factorising #3 SkillsSheet SkillsSheet SET QUESTIONS 2(acegik) 3(acegi) 4(acegi) 1(acegik) 2(acegi) 3(acegik) 4 1(adgj) 2(adgj) 3(adg) 4(adf) 5(aceg) 8(adgj) 9(adg) 10(adg) 11 12 16 1(adgjm) 2(ghikl) 7 8 9 10 12 14 1(adg) 2 3(cfi) 4(adg) 7(adg) 8(adg) 9(acegik) 11(ace) 12(ace) 15 16 17 2(ace) 3(egk) 4(acegi) 5 1 4 5 7 1(ace) 2(ace) 4(abef) 6(aceg) 1 1(aceg) 2(acegi) 3(aceg) 5 7 3 Fractions, Expanding, Factorising Polynomials Assessment Tasks: 2. Linear Algebra Topic Test (SAC) Year 10 Extended Core Mathematics SIGN DATE