Mkt_NJM_BP_UPC

Example 2 Convert 3 5 and 7 25 into decimals. Method 1: Expand the fractions 3 3 2 5 5 2 6 10 0.6  =  = = 7 7 4 25 25 4 28 100 0.28  =  = = Method 2: Use division . . 3 3 5 5 0.6 =  = 7 7 25 25 0.28 =  = Example 3 Arrange the following numbers in descending order. 1 3 1 , 1 , 1.125 4 8 Method 1: Convert the numbers into fractions 1 1 2 2 1 1 1 4 4 2 8  = =  125 1 1.125 1 1 1000 8 = = ∵ 3 2 1 1 1 1 8 8 8   ∴ 3 1 1 1 1.125 8 4   Method 2: Convert the numbers into decimals 1 1 1 1 1 0.25 1.25 4 4 3 3 1 1 1 0.375 1.375 8 8 = + = + = = + = + = ∵ 1.375 1.25 1.125   ∴ 3 1 1 1 1.125 8 4    Compare the numerators. 5 3.0 0.6 3 0 25 7.00 0.28 5 0 2 00 2 00 SAMPLE © Pearson Education Asia Limited 2020 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of Pearson.