# Math Revision Paper

358 WordsFeb 7, 20112 Pages
Revision for math final exams for Grade8 Mathematics Department Grade (8) 1st Semester Final Work Sheet Date: 30/12/2010 Ques.1: Fill in the following table: The number Correct to 2 d.p. 0.009999 33.065 195.195 0.123 0.00001818 Ques.2: Write the following in standard form: a) Name: Correct to 3 s.f. In standard form b) c) 1 Ques.3: Estimate roughly each of the following: a) b) c) Ques.4: Find the nth term in each of the following: a) 2, 4, 8, 16, 32,……………………………………….. b) -5, -1, 3, 7, 11,……………………………………….. 2 c) 7, 5, 3, 1,………………………………………………… d) ……………………………………………… e) 1, 2, 3, 4, 5,…………………………………………….. Ques.5: Given the sequence 5, 11, 17, 23, 26,………………………………. a) Write down the next two terms. b) Find the 16th term. c) Find the term equal to 179. 3 Ques.6: Write the following as a fraction: a) 0.15 = b) c) Ques.7: Find the value of . a) b) 4 Ques.8: Solve the following equations: a) b) c) 5 Ques.9: Solve the following inequalities: a) b) and c) 6 Ques.10: Solve the following simultaneous equations Ques.11: Solve each problem by forming two pairs of simultaneous equations: a) Find two numbers where three times the smaller number exceeds the larger by 5 and the sum of the numbers is 11. 7 b) Twice the difference between two numbers is 8. The sum of the greater number and twice the smaller number is 13. Find the numbers. Ques.12: In the following matrices, the matrices have the following values: A= ; B= ; C= D= ; E= ; F= ; G= ; H= ; J= ; K= 8 Calculate the resultant value for each question where possible. a) A + B = b) G – J = c) DJ= d) 2E – 3K= 9 e) HK = f) = g) FO = 10 Ques.2: Find the value of letters: a) b) c) 11 d) Ques.13: The following