REVISION 1 CHURCHILL

1. Match the equivalent ratios. 2 : 5 : 1 8 : 20 : 4 9 : 21 : 6 3 : 7 : 2 3 : 2.4 : 0.9 10 : 8 :3 4 : 1 : 3 16 : 2 :9 2. Sort the following into ratio or rates. Click on the each question and pick either ratio or rates. Ratio 28 cm : 12 cm RM104 : RM65 6 kg : 16 kg Rates 15 ml : 4 s 96 km : 10 liter 167 km : 4 hours 3. If f: h = 6 : 5 and h : g= 4 : 1, find the value of g whenf = 96. 20 24.2 28.8 40 4. (a) Express 1.2 : 3 : 1.4 in its simplest form. (b) Given a : b : c = 3 : 5 : 7, calculate the value of 3b + c when a = 39. Show your working steps clearly. 6. Complete the steps below by filing in the boxes with correct answers. Write your answers in the given box. c c c c y 10 3 2 a b b b 3 2 7. Write your answer at the answer space . 8. In the term 2a2bc,state the coefficient of:(a) a2c(b) 2b(c) abc 9. Mark ( / ) for the correct algebraic expression. Only mark ( / ) at the correct algebraic expression. / / / / 10. The diagram below shows Ice-cream A and Ice-cream B. Write an algebraic expression to represent the total price for a ice cream A and for b ice cream B.