Year 8 Exam Booklet: Algebra Year 8 Mathematics Algebra Name: ………………………… Easy 1. Which of the following algebraic expression represents 2 less than 3 lots of n? (A) (B) (C) (D) 2. 12ab Which of the following is the correct simplification of 24a2 ? (A) 2ab (B) 2a (C) (D) 3. 3(n − 2) 2 − 3n 3+n−2 3n − 2 b b 2a ab 2 Simplify the following expression: 5x − 3y 2 − 8x − 4y 2 4. Simplify: 5s + 2m − 7s + 8m = (A) (B) (C) (D) −2s + 10m 2s + 10m 2s − 10m −2s + 6m Page 2 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 5. Name: ………………………… Simplify: 6d × dw (A) (B) (C) (D) 6. 6dw 6d2 w 6d2 w 2 6d Which expression does this simplify to? ab 18 × = 15 a (A) (B) (C) (D) 7. a2 b 15 18a2 15 18ab 15 6b 5 Expand and fully simplify: (i) 2(x − 8) (ii) 4(x − 4) − 2(x + 1) Page 3 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 8. 9. Name: ………………………… Fully simplify: (i) 3s (ii) w 6 3 5s +6 2w − 7 Expand and simplify the following: (i) 3(x − 6) Page 4 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 10. Name: ………………………… (ii) 2x(3 − 4x) (iii) 7 − 4(5 + 2x) Full factorise the following: 3g + 12 11. What is −2x(x − 3) simplified? (Circle the correct answer) (A) (B) (C) (D) −2x − 3 −2x 2 − 6x −2x 2 + 6x −2x + 6x Page 5 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 12. Which answer is a fully simplified form of 7p + 5p2 − 39 ? (Circle the correct answer) (A) (B) (C) (D) 13. Name: ………………………… 9p2 4p + 5p2 10p + 5p2 10p − 5p2 Fully simplify: (i) 5mp + 2m − 7pm = (ii) 4ab × 3a = (iii) 10bc 15c = Page 6 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra (iv) 14. 15. Name: ………………………… 2m 3 m −4= Simplify each expression. (i) (m6 )3 = (ii) (2p7 )4 = Factorise fully: 4x + 8 = Page 7 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 16. 17. Name: ………………………… Simplify: (i) 4a × 3a2 (ii) (m4 )5 Simplify (i) a3 × a4 (ii) −4y 3 ÷ 12y Page 8 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 18. Name: ………………………… Factorise: 3m + 18 19. Which expression does this simplify to? 2m m + = 5 3 Page 9 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 20. 21. Name: ………………………… Expand and simplify: (i) −3(2x − y) (ii) 5 − 2(x − 3) Write down the expression for the number of weeks in m days. Page 10 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra Name: ………………………… Medium 22. Simplify: 4k + 6k ÷ 2 23. Simplify the following (i) 3y × 4y 2 (ii) a2 b × ab2 (iii) (3x 2 )3 Page 11 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 24. Name: ………………………… Fully simplify: (−5mn) × (−7mp) × (2np) = 25. Full simplify: 40a 36a2 ÷ 77b 35b 2 26. Fully factorise: 12x 2 y − 18xy Page 12 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra Name: ………………………… 27. What is the fully factorised form of 14bm2 − 7b2 m ? (Circle the correct answer) 28. Which expression represents the total area of the following rectangle? (Circle the correct answer) (A) (B) (C) (D) 29. 2(x + 3) + 2 × 7 2(x + 10) 2x + 20 All of the above Fully simplify each expression. (i) ab 12c 6a ×b = Page 13 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra (ii) 30. Name: ………………………… vw 21 tv ÷ 49 = Factorise fully: 9xy 2 − 12x 2 y = 31. Simplify: (i) x 2x − 3a y Page 14 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra (ii) 32. Name: ………………………… 3x+7 4 x−1 − 3 Factorise: 2a2 b − 4ab 33. Simplify: (i) 2t t −6 7 Page 15 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra (ii) 34. Name: ………………………… x 5x2 ÷ 6 3 Simplify: x+1 2−x + 6 5 35. Fully factorise: re2 r 2 e3 − 11 11 Page 16 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 36. Name: ………………………… Expand, and simplify if possible (i) 5(a + 4) = (ii) 2m(3m − 4) + 3m = (iii) a(b − a) − b(a − b) = Page 17 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 37. Name: ………………………… Expand and simplify: (x + 7)(x + 3). Page 18 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra Name: ………………………… Hard 38. The following is a magic square. Fill in the empty squares in the box so that all rows and columns add or subtract to the magic sum of 3 − 3. 39. Fully simplify: b3 108 27a × ÷ = 22 ab 4 55b 40. Fully simplify: 1− a a−b − a−b a+b Page 19 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 41. Name: ………………………… Simplify: 1 x 3 2+x 42. Expand and simplify (x + 4y)2 − (x + 6y)(x − 6y) . 43. Expand and simplify: (i) (4x + 2)(5x − 7) Page 20 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra 44. Name: ………………………… (ii) (5x − 3)(2x 2 − 3x + 2) (iii) (4𝑥 − 1)2 − (−𝑥 + 2)2 Factorise fully: (i) 6x 2 y 2 − 8xy 3 Page 21 © 2020 Capra Coaching Pty Ltd Year 8 Mathematics Algebra (ii) Name: ………………………… p4 − 16y 4 Page 22 © 2020 Capra Coaching Pty Ltd