N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Multiply by 10, 100 and 1000 Key Skills Complete the daily exercises to focus on improving this skill.

Day 1 Q Question Answer 1 1000 × 0.71 2 10 × 6.5 3 10 × 98.365 4 10 × 83.41 5 0.33 × 100 6 2.12 × 1000 7 0.33 × 100 8 10 × 0.18 9 1000 × 21.475 10 100 × 0.89 Day 3 Q Question Answer 1 5.48 × 100 2 0.58 × 1000 3 100 × 85.957 4 100 × 0.53 5 10 × 8.08 6 0.63 × 10 7 9.28 × 100 8 10 × 0.68 9 36.65 × 10 10 10 × 0.62

Day 2 Q Question Answer 1 3.64 × 1000 2 8.22 × 1000 3 100 × 0.94 4 20.316 × 10 5 10 × 10.376 6 1000 × 1.83 7 86.92 × 100 8 7.29 × 1000 9 86.04 × 1000 10 3.21 × 1000 Day 4 Q Question Answer 1 1000 × 54.52 2 10 × 0.75 3 7.75 × 100 4 10 × 65.154 5 100 × 0.48 6 7.29 × 100 7 0.03 × 1000 8 10 × 59.151 9 10 × 48.29 10 27.571 × 10

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Multiply by 10, 100 and 1000 Key Skills Complete the daily exercises to focus on improving this skill.

Day 5 Q Question Answer 1 10 × 26.291 2 1000 × 62.179 3 100 × 5.62 4 4.58 × 10 5 100 × 69.504 6 3.84 × 1000 7 1000 × 24.675 8 10 × 5.82 9 10 × 41.326 10 10 × 11.441 Day 7 Q Question Answer 1 1.93 × 1000 2 27.54 × 10 3 0.73 × 100 4 2 × 1000 5 1000 × 1.19 6 1000 × 29.529 7 7.72 × 10 8 10 × 58.622 9 9 × 100 10 100 × 32.038

Day 6 Q Question Answer 1 0.41 × 100 2 0.17 × 100 3 0.92 × 10 4 99.523 × 1000 5 82.577 × 100 6 61.113 × 100 7 59.168 × 100 8 0.07 × 1000 9 0.87 × 10 10 1.4 × 1000 Day 8 Q Question Answer 1 1000 × 0.49 2 9.78 × 1000 3 17.77 × 100 4 1000 × 2.52 5 1000 × 77.099 6 0.88 × 100 7 8.09 × 10 8 0.46 × 100 9 69.713 × 100 10 1000 × 7.36

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Multiply by 10, 100 and 1000 Key Skills Complete the daily exercises to focus on improving this skill.

Day 9 Q Question Answer 1 0.38 × 100 2 1000 × 7.29 3 67.754 × 1000 4 1.92 × 10 5 10 × 5.17 6 100 × 0.08 7 100 × 2.01 8 9.4 × 10 9 1000 × 0.22 10 41.127 × 10

Day 10 Q Question Answer 1 7.81 × 10 2 100 × 5.81 3 10 × 0.97 4 100 × 0.87 5 100 × 17.258 6 1000 × 0.11 7 0.34 × 10 8 1000 × 23.018 9 100 × 53.972 10 100 × 0.87

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Multiply by 10, 100 and 1000 Key Skills Complete the daily exercises to focus on improving this skill.

Day 1 Q Question Answer 1 1000 × 0.71 710 2 10 × 6.5 65 3 10 × 98.365 983.65 4 10 × 83.41 834.1 5 0.33 × 100 33 6 2.12 × 1000 21200 7 0.33 × 100 33 8 10 × 0.18 1.8 9 1000 × 21.475 21475 10 100 × 0.89 89 Day 3 Q Question Answer 1 5.48 × 100 548 2 0.58 × 1000 580 3 100 × 85.957 8595.7 4 100 × 0.53 53 5 10 × 8.08 80.8 6 0.63 × 10 6.3 7 9.28 × 100 928 8 10 × 0.68 6.8 9 36.65 × 10 366.5 10 10 × 0.62

Day 2 Q Question Answer 1 3.64 × 1000 3640 2 8.22 × 1000 8220 3 100 × 0.94 94 4 20.316 × 10 203.16 5 10 × 10.376 103.76 6 1000 × 1.83 1830 7 86.92 × 100 8692 8 7.29 × 1000 7290 9 86.04 × 1000 86040 10 3.21 × 1000 3210 Day 4 Q Question Answer 1 1000 × 54.52 54520 2 10 × 0.75 7.5 3 7.75 × 100 775 4 10 × 65.154 651.54 5 100 × 0.48 48 6 7.29 × 100 729 7 0.03 × 1000 30 8 10 × 59.151 591.51 9 10 × 48.29 482.9 10 27.571 × 10 275.71

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Multiply by 10, 100 and 1000 Key Skills Complete the daily exercises to focus on improving this skill.

Day 5 Q Question Answer 1 10 × 26.291 262.91 2 1000 × 62.179 62179 3 100 × 5.62 562 4 4.58 × 10 45.8 5 100 × 69.504 6950.4 6 3.84 × 1000 3840 7 1000 × 24.675 24675 8 10 × 5.82 58.2 9 10 × 41.326 413.26 10 10 × 11.441 114.41 Day 7 Q Question Answer 1 1.93 × 1000 1930 2 27.54 × 10 275.4 3 0.73 × 100 73 4 2 × 1000 2000 5 1000 × 1.19 1190 6 1000 × 29.529 29529 7 7.72 × 10 77.2 8 10 × 58.622 586.22 9 9 × 100 900 10 100 × 32.038 3203.8

Day 6 Q Question Answer 1 0.41 × 100 41 2 0.17 × 100 17 3 0.92 × 10 9.2 4 99.523 × 1000 99523 5 82.577 × 100 8257.7 6 61.113 × 100 6111.3 7 59.168 × 100 5916.8 8 0.07 × 1000 70 9 0.87 × 10 8.7 10 1.4 × 1000 1400 Day 8 Q Question Answer 1 1000 × 0.49 490 2 9.78 × 1000 9780 3 17.77 × 100 1777 4 1000 × 2.52 2520 5 1000 × 77.099 77099 6 0.88 × 100 88 7 8.09 × 10 80.9 8 0.46 × 100 46 9 69.713 × 100 6971.3 10 1000 × 7.36 7360

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Multiply by 10, 100 and 1000 Key Skills Complete the daily exercises to focus on improving this skill.

Day 9 Q Question Answer 1 0.38 × 100 38 2 1000 × 7.29 7290 3 67.754 × 1000 67754 4 1.92 × 10 19.2 5 10 × 5.17 51.7 6 100 × 0.08 8 7 100 × 2.01 201 8 9.4 × 10 94 9 1000 × 0.22 220 10 41.127 × 10 411.27

Day 10 Q Question Answer 1 7.81 × 10 78.1 2 100 × 5.81 581 3 10 × 0.97 9.7 4 100 × 0.87 87 5 100 × 17.258 1725.8 6 1000 × 0.11 110 7 0.34 × 10 3.4 8 1000 × 23.018 23018 9 100 × 53.972 5397.2 10 100 × 0.87 87