2017/2018 2nd Term 1 Unit one Lesson (1) :Set of natural numbers * The set of counting numbers is C = { 1 , 2 , 3 , 4 ,-------} *The set of natural numbers is N = { 0 , 1 , 2 , 3 , ……} *The set of even numbers is E = { 0 , 2 , 4 , 6 , 8 , -------} *The set of odd numbers is O = { 1 , 3 , 5 , 7 , 9 , ……} *The set of prime numbers is P = { 2 , 3 , 5 , 7 , 11 , 13 , 17 , 19 , …..} 1- Complete: a) The smallest natural number is ------, while the smallest counting number is -----b) The set of natural numbers less than 8 = -----c) The set of natural numbers between 0 and 5 = ------d) The set of natural numbers between and 2- Complete by using , , a) {5} ----- N 2 , : = ------ b) zero -----N c) {87} ----- N d) {2 , 4 , 6} ----- N e) {2 , 0.5}----- N f) ------ N g) {3 , 4 , 5 , ... , 30} ------ N h) zero ----- C (the set of counting numbers) Lesson (2) Some subset of N Notes: N E=E N P=P N O=O N P=N E O=N E P={2} E E O= N =N 1-Complete: a. N - C =------3 b. N - {0} =------c. E p = ------- d. O - E = ------e. N - E = ------f. N p = ------g. E O = ------- h. E O = ------- i. E O = ------- j. N O = ------ k. N p = ------- l. N E = ------- m. N O = ------ n. E – N = ------o. N – O = -----p. N – {0}= ------ _______________________________________ 2-If N = {0, 1, 2, 3, 4, ……} , O = {1, 3, 5, …} , E = {0, 2, 4, …} P = {2, 3, 5, 7, …} , C = {1, 2, 3, 4, …}, then Complete. 4 a) {0} ∩ E = …………… b) E ∩ P = …………… c) C ∩ {0} = …………… d) {2} ∩ P = ………… e) E ∩ O = …………… 3-Complete by using , a) 22.22------ N b) {2 , 4 , 6.8 } ------ N c) {55} ------ N d) e) -----N ------N f) {0.3} ------N g) {1 , 3} {2 , 4} -------N h) {1 , 2} {2 , 5} -------N i) 0} {1 , 2 , 3 ,…} -----N 5 , , : Lesson ( 3 ) Ordering and Comparing Natural numbers 1-Write using the listing method and represent on the number line : a) X = {x : x N , a ≤ 3} ----------------------------------------------------------------------------------------------------------------------------------------b) Y = {y : y N , 3 ≤ y ≤ 7} ----------------------------------------------------------------------------------------------------------------------------------------c) Z = {z : z N , z > 6} ----------------------------------------------------------------------------------------------------------------------------------------d) M = {m : m N , m > 5} ----------------------------------------------------------------------------------------------------------------------------------------e) L = { L : L N,L 3} --------------------------------------------------------------------6 --------------------------------------------------------------------f) C = The set of natural numbers between 1 and 5 ----------------------------------------------------------------------------------------------------------------------------------------g) D = The set of counting numbers less than 4 ---------------------------------------------------------------------- ---------------------------------------------------------------------- h) A = The set of even numbers ------------------------------------------------------------------------------------------------------------------------------------------------------- i) B = The set of odd numbers ------------------------------------------------------------------------------------------------------------------------------------------------------- j) P = The set of prime numbers less than 10 ------------------------------------------------------------------------------------------------------------------------------------------------------- 2- Put ( < , = or >): a) x + 18 ----- x + 17 where x N b) x - 18 ----- x – 17 where x is a natural number greater than 20 c) x ----- 75 , where x {30 , 31 , 32 , 33} d) y ----- 18 , where y {20 , 21 , 22 , 23 , 24} 7 e) z ----- 35 , where z {35} Lesson (4) Operation on Natural Numbers 1Complete: a) The additive neutral element in N is ------, while the multiplicative neutral element in N is -----b) If 6 × 12 = 12 × a ,then a = -----c) 413 + 97 = 97 + ------ ( ---------- property) d) 0 + 3365 = ------ ( -----------property) e) 28 + (72 + 59) = (28 + -----) + 59 ( ---------- property) f) 14 + ----- = ------ + 14 = 14 ( ------------ property) g) 543 + 123 = 123 + ------- (------------ property ) h) 999 added to neutral element of multiplication = ------- 2- Find the result by using the properties of addition and multiplication : a) 125 + 532 + 875 + 468 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 8 b) 36 + 95 + 64 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------c) 2 × 25 × 5 × 4 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------d) 47 × 98 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------e) 35 × 101 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------f) 8 × 17 × 25 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------g) 38 × 18 + 38 × 82 ---------------------------------------------------------------------------------------------------------------------------------------------------------------9 -------------------------------------------------------------------------------h) 17 × 118 – 17 × 18 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 3-Complete by using ( odd , even , prime) : a) An odd numbers + an even numbers = -----------b) An odd numbers + an odd numbers = ------------c) An odd numbers × an even numbers = -----------d) If x is an odd number, then x + 2 is ------------- number. e) If x is an odd number, then x – 1 is ------------- number. 4- Complete using ( , ): a) ( 3 + 7) ----- N b) (8 + 10) ----- N c) (45 – 35) ----- N d) ----- N e) (8 – 8) ----- N f) ----- N g) (7 × 2 – 7 × 5) ----- N h) ----- N 10 Lesson (5) Numerical Pattern 1- Complete in the same pattern: a) 1 , 4 , 7 , 10 , --------- , ---------b) 5 , 15 , 25 , 35 , --------- , ---------c) 1 , 3 , 6 , 10 , ---------- , --------- d) 1 , 4 , 8 , 13 , --------- , ---------e) 1 , 3 , 9 , 27 , --------- , ---------- f) 2 , 8 , 32 , ---------- , ---------- g) 2 , 6 , 18 , 54 , --------- , ---------h) 1× 2 , 2 × 4 , 3 × 8 , ---------- , --------i) 2 , 22 , 222 , ---------- , ---------- j) 2 , 5 , 8 , 11 , ---------- , ---------- k) 4 , 12 , 36 , ---------- , --------- 11 Unit (2) Lesson (1): Mathematical Expression Notes: • Perimeter of square = Side Length • Area of a square = Side Length Side Length • Perimeter of a rectangle = ( L + W ) • Area of a rectangle = L 4 2 W • Perimeter of a parallelogram = sum of two adjacent sides 2 ___________________________________________________ (1) Complete each of the following. a) If Mona has X pounds and she took 8 pounds from her father, then she has-------------------------------------------------- pounds. b) A rectangle, its length is more than its width by 3cm. If the length = L cm, then its width = --------------------------------- cm. c) A rectangle, its perimeter is 30 cm. its width is X cm, then its length is --------------------------------------------------------- cm d) If a side length of a square is x cm, then its perimeter = -------------------------------------------------------------- cm e) If Rana has 9 pounds, she spent Y pounds, then the remainder with her is ----------------------------------------------------- pounds. f) An equilateral triangle, its side length L cm, then its perimeter = 12 ---------------------------------------------------------------------- cm e) Bassem is X years old now , then his age after 5 years is -----------------------------------------------------------years e) Basma is X years old now , then her age 3 years ago was ---------------------------------------------------- years _____________________________________________________ (2) Express each by mathematical relations. a) Subtract half a number from 15. -----------------------------------------------------------------------------b) Subtract 11 from 5 times of a number. -----------------------------------------------------------------------------c) Add 2 to two thirds of a number. -----------------------------------------------------------------------------d) Add 3 to the third of a number. ----------------------------------------------------------------------------e) Subtract 5 from double of a number. ------------------------------------------------------------------------------ Lesson (2) The Constant and the Variable Write the mathematical relations that express each of the following. a) The number X exceeds the number Y by 5. 13 -----------------------------------------------------------------------------b) The number L is less than double the number M by 7. -----------------------------------------------------------------------------c) A triangle its side length 6cm, 2cm, 5Y cm. Find its perimeter. -----------------------------------------------------------------------------d) Two numbers X and Y, one of them exceeds the other by 3. (the smaller is Y) -----------------------------------------------------------------------------e) If the side length of a rhombus is X cm and its perimeter is P. Write the relation between X and P. ------------------------------------------------------------------------------ Lesson (3) Equation Solve the following equation: a) X + 3 = 12 ----------------------------------------------------------------------------------------------------------------------------------------------------------------b) X - 7 = 25 ---------------------------------------------------------------------------------------------------------------------------------------------------------------Y–5=7 14 c) ----------------------------------------------------------------------------------------------------------------------------------------------------------------- d) 5A = 15 ----------------------------------------------------------------------------------------------------------------------------------------------------------------e) X = 12 ------------------------------------------------------------------------------------------------------------------------------------------------------------f) 3 Y = 39 ---------------------------------------------------------------------------------------------------------------------------------------------------------------g) 6B = 18 ---------------------------------------------------------------------------------------------------------------------------------------------------------------h) Y = 3 -------------------------------------------------------------------------------------------------------------------------------------------------------------i) 2 X + 5 = 13 ------------------------------------------------------------------------------15 -----------------------------------------------------------------------------J) 5 Y – 3 = 7 -------------------------------------------------------------------------------- ----------- ---------------------------------------------------------------------Unit (3) Lesson (1): Area and its units Remember that: Area of square = S × S Area Area of rectangle = ( L × W ). Area L= W Length Width Area W= L _______________________________________________ Units for measuring Area: (1) Km2 1000000 m2 100 dm2 100 Cm2 ______________________________________________________ 16 Area of triangle Rule: Area of triangle = × base × height 2 area height height Base = base 2 area Height = base 1)Find the area of each of the following triangle: a) A ------------------------------------------------- C2cm 3cmB ------------------------------------------------______________________________________________________ b) A 8cm ---------------------------------------------B 6cm C --------------------------------------------17 ______________________________________________________ A c) ------------------------------------------------------6cm B C ---------------------------------------------------------------------------------------- 7cm ______________________________________________________ 2)In the opposite figure : If AC = 15 cm , AD = 10 cm and BC = 18 cm A (a) Calculate the area of ABC E (b) Find the length of BE D C B Solution ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 18 3) In the opposite figure: 6cm DA (a) Calculate the area of ABE 3cm (b) Calculate the area of shaded part C 2cmE B Solution -------------------------------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------- 4) Find the area of the triangle whose base length = 4.2m and its corresponding height = 5.5 cm. -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------5) If the area of the triangle is 60 cm2, and the base length is 7.5 cm calculate its corresponding height. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 19 6) If the area of the triangle is 80 cm2, and the height is 45 cm calculate its corresponding the base length. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Lesson (2) Area of parallelogram Rule: Area of = Base × height Area of D height A height Base = Area of C base base B Height = _____________________________________________________ 1) Calculate the area of each of the following: a) D A 20 C 9cm 4cm B Solution -------------------------------------------------------------------------------------------------------------------------- b) D A 303030cmcmcm C B 60cm Solution ---------------------------------------------------------------------------------------- 2) If the area of a parallelogram is 28 cm2 and height its 7cm, then find the length of its base. ------------------------------------------------------------------------------------- 3)Find the area of parallelogram whose base length is 5c m and its corresponding height = 3 m. ---------------------------------------------------------------------------------- 21 4)Which is greater in area: The area of a parallelogram whose base length 60 cm and its height is 40 cm or the area of a triangle whose base length is 70 cm and its height is 40 cm. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Lesson (3) Area of square Rule: * Area of square " by knowing its side length " Area = S × S , S = Area * Area of square " by knowing its diagonal length " Area = × diagonal length × diagonallength,d = 2Area Area = × d × d , d = 2Area 1) Calculate the area of the square whose side length = 6 cm. 22 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2) Calculate the area of the square whose length of its diagonal = 6 cm. -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------3) Which is greater in area? A square whose diagonal is 10 cm long or the right angled in which the lengths of the sides of the right angle are 8 cm and 15 cm. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 4) Find the area of the shaded part: 4cm Solution ------------------------------------------------------------------------------------------------------------- 2cm -------------------------------------------------------- 5) If the area of a square is 64 𝒄𝒎𝟐 , Find its side length and its perimeter . 23 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Lesson (4) Area of Rhombus Rule: Area of rhombus = Side length × height Area Side length(S.l)= height Area Height (H) = Side length Area of rhombus = × d1 × d2 1)Find the area of rhombus whose side length = 4 cm and its height is 3 cm ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2)The length of diagonals of a rhombus are 5.5 cm and 3.4 cm. 24 Find its area. --------------------------------------------------------------------------------------3) If the height of a rhombus is 10 cm and its area = 54 cm2 . Find its side length. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------4) If the area of a rhombus is 36 cm2 and the length of one of its diagonals is 8 cm. Then find the length of the other diagonal. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 25 Lesson (5) Circumference of the circle Rule: C = π × d 22 π= 7 Or C = 2× π × r or 3.14 d = C π÷ C r = C ÷ ( π ×2) C d 2 r 1) Find the circumference of the circle whose radius = 7 cm. Solution: (π = ) ---------------------------------------------------------------------------------------2) Find the radius of the circle whose circumference= 314 cm. Solution: (π =3.14) ---------------------------------------------------------------------------------------3) Find the diameter length of the circle If the circumference equal 36.11 cm (π=3.14) Solution: ---------------------------------------------------------------------------------------- 3) Find the circumference of a circle whose diameter equal 26 21 cm (π = ) ---------------------------------------------------------------------------------- 4) Calculate the perimeter of each of the following : a) -------------------------------------------------------------------------------------14 cm (π = b) ) 7 cm (π = ----------------------------------------------------------------------------------------- ) c) ---------------------------------------------------3.5 cm (π ----------------------------------------------------- =) Unit Four Geometric Transformation Lesson (1) Symmetric figures and axis of symmetry 27 Figure Number of Symmetry axes 4 2 2 1 3 Zero Zero 1 Zero Very large number Square Rectangle Rhombus Isosceles triangle Equilateral triangle Scalene triangle Trapezium Isosceles trapezium Parallelgram Circle Geometric Transformations F` D E` Rotation x` x Reflection F A` E A z` z y`y Translation C` B` C Complete each of the following: a) The isosceles triangle has ---------------- lines of symmetry. b) The equilateral triangle has ---------------lines of symmetry. 28 B c) The scalene triangle has ------------------- lines of symmetry. d) The rhombus has -------------------------- lines of symmetry. e) The rectangle has ------------------------- lines of symmetry. f) The square has ----------------------------- lines of symmetry. g) The parallelogram has ------------------------ lines of symmetry. h) The regular pentagon has -------------------- lines of symmetry. i) The trapezium has ------------------------- lines of symmetry. j) The isosceles trapezium has --------------- lines of symmetry. k) The circle has ------------------------ lines of symmetry. Draw the image of triangle XYZ by reflection on L L 29 Lesson (2) Locating points on a ray Location points on a coordinate plane 1) A (4 , 0) , B (8 , 0) , C (8 , 4) , D (4 , 4)then complete: 30 1) The name of the shape ABCD is -----------------------2) The area of this figure = ----------------------3) Number of axis symmetry = -----------------4) Draw the image of the figure ABCD by reflection across AD 2) On the coordinate plane, complete: X = ( ------ , ------ ) Y = ( ------ , ------ ) Z = ( ------ , ------ ) M = ( ------ , ------ ) Y 10 9 8 7 6 5 4 X 3 2N 1 Y 12345678 0 31 Z M X N = ( ------ , ------ ) 3) On the coordinate plane draw the following : a) The triangle ABC, where A (1 , 2) , B (1 , 5) , C (5 , 5) then draw the image of the triangle ABC by reflection across AB Unit Five Statistics 1) The following table shows the number of hours that a set of 50 students study in a day. Sets 2- 4- 6- 8- 10- Total Frequncy 8 13 15 13 1 50 (A) The number of student whose number of hours less than 6 hours = --------(B) Draw the histogram and the frequency for this data. 32 2) In an exam: Sets 5- 10- 15- 20- 25- 30- 35- Total No. of students 4 7 9 13 11 7 9 60 (A) The number of student who got 25 mark and more = -------(B) Draw the histogram and the frequency polygon for this data. 3) The following table shows the recorded temperatures in 40 cities on a day. Temperature 20- 22- 24- 26- 28- Total No. of cities 7 9 11 8 5 40 (A) The number of cities with temperatures less than 24 degrees = --------(B) Draw the histogram and the frequency polygon for this data. 33 Pie graphs The following table shows the favourite TV programs for 40 pupils : Sports 5 News Series Movies 10 Represent this data by a pie graph. 34 5 20 35 36 37 38 39 40 41 42 43 44 45 46 47