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# The Calculator Pack

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A selection of printable classroom resources, to help children to use calculators accurately and effectively. Download the full pack from http://teachr.co/calculatorpack

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### The Calculator Pack

1. 1. 1 Consecutive Calculations! Consecutive numbers follow one after another, e.g. 5, 6, 7. Can you multiply three consecutive numbers together to make the following answers? ___ x ___ x ___ = 24 60 15,600 504 24,360 185,136 4,896 999,900 74,046 1,320 © www.teachingpacks.co.uk
2. 2. 5 One Digit Wonders! Can you multiply three one-digit numbers to make the following answers? ___ x ___ x ___ = 20 126 108 32 90 576 70 112 168 243 © www.teachingpacks.co.uk
3. 3. 6 Broken Calculator! You are only allowed to use the following keys on the calculator. Can you make every number from 1 to 50? 3 + 4 - 6 x = Are there any numbers that you can’t make? Can you make any numbers that are bigger than 50? © www.teachingpacks.co.uk
4. 4. 10 Broken Buttons! Can you answer these questions and explain how you did it? 1) Work out 72 + 19 without using the 2 key on the calculator. 2) Work out 27 x 13 without using the x key. 3) Work out 145 + 285 without using the 5 key. 4) Work out 5800 ÷ 5 without using the 5 key. 5) Work out 193 x 3 without using the 3 key. 6) Work out 1800 - 106 without using the 0 key. 7) Work out 4.5 x 2.5 without using the . key. 8) Work out 16 x 4 x 20 without using the x key. © www.teachingpacks.co.uk
5. 5. 1. 49 + 98 = 47 + 66 = 4. 44 + 51 = 5. 71 + 66 = 6. 26 + 79 = 7. 71 - 33 = 8. 59 - 22 = 9. 56 - 36 = 10. 82 - 41 = 11. 61 - 31 = 12. 97 - 47 = 13. 16 × 8 = 14. 46 × 4 = 15. 47 × 8 = 16. 24 × 4 = 17. 15 × 5 = 18. 27 × 3 = 19. 20 ÷ 10 = 20. 72 ÷ 8 = 21. 42 ÷ 7 = 22. 49 ÷ 7 = 23. Sheet 1 2. 3. Use a calculator to answer these calculations quickly and accurately! 72 + 88 = 12 ÷ 12 = 24. 85 ÷ 5 = © www.teachingpacks.co.uk
6. 6. 1. 2. 49 + 98 = 147 3. 47 + 66 = 113 4. 44 + 51 = 95 5. 71 + 66 = 137 6. 26 + 79 = 105 7. 71 - 33 = 38 8. 59 - 22 = 37 9. 56 - 36 = 20 10. 82 - 41 = 41 11. 61 - 31 = 30 12. 97 - 47 = 50 13. 16 × 8 = 128 14. 46 × 4 = 184 15. 47 × 8 = 376 16. 24 × 4 = 96 17. 15 × 5 = 75 18. 27 × 3 = 81 19. 20 ÷ 10 = 2 20. 72 ÷ 8 = 9 21. 42 ÷ 7 = 6 22. 49 ÷ 7 = 7 23. Sheet 1 72 + 88 = 160 12 ÷ 12 = 1 24. 85 ÷ 5 = 17
7. 7. Clear the screen before you start any new calculations! © www.teachingpacks.co.uk
8. 8. Look at the screen to make sure that you’re pressing the right buttons. © www.teachingpacks.co.uk
9. 9. 1 2 3 4 5 6 7 8 9 © www.teachingpacks.co.uk
10. 10. 0 ON OFF +/ CE AC M+ M- MR © www.teachingpacks.co.uk
11. 11. Number Zero Turns the calculator on Turns the calculator off Makes numbers positive or negative Clears the last entry Clears all entries Adds a number to the memory Subtracts a number from the memory Recalls the number stored in the memory © www.teachingpacks.co.uk
12. 12. www.teachingpacks.co.uk Thank you for looking at this preview of our Calculator Pack. The full pack is available to download from http://teachr.co/calculatorpack Helen and Mark