G Dear ©2009 – Not to be sold/Free to use Stage 4 Year 8 Equations Many Steppers Press Ctrl-A G Dear ©2009 – Not to be sold/Free to use 1

Equations – Many Stepper Lowest Common Multiple a 6 a 9 1. + = 5 Find the LCM of 6 and 9 Multiple of 6: 6, 12, 18, 24 Multiple of 6: 6, 12, 18, 24 + = 5 a 6 9 3 x 2 x Multiple of 9: 9, 18, 27, 24 Multiple of 9: 9, 18, 27, 24 LCM = 18 + = 5 3a 18 2a = 5 5a 18 x18 x18 5a = 90 ÷5 ÷5 a = 18

Equations – Many Stepper Lowest Common Multiple b 3 b 5 2. + = 2 Find the LCM of 3 and 5 Multiple of 3: 3, 6, 9, 12, 15 Multiple of 3: 3, 6, 9, 12, 15 + = 2 b 3 5 5 x 3 x Multiple of 5: 5, 10, 15, 20 Multiple of 5: 5, 10, 15, 20 LCM = 15 + = 2 5b 15 3b = 2 8b 15 x15 x15 8b = 30 ÷8 ÷8 b = 3.75

Equations – Many Stepper b 2 b 3 c 4 c 2 g 2 g 5 a. + = 2 b. + = 3 c. + = 2 2a 3 a 7 h 2 2h 7 3d 8 d 4 d. + = 1 e. + = 2 f. + = 1 2k 3 3k 2 2e 3 e 5 m 4 3m 2 g. + = 3 h . + = 1 i. + = 2 2n 3 n 7 p 2 2p 5 3f 7 3f 5 j. + = 2 k. + = 2 l. + = 2