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Drill problems 19 Check out the results of operations (+ - x / ) using the divisivility rule of the 9 |
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1. 85 + 43 = 128 2. 75 + 59 = 124 3. 651 + 84 = 735 4. 754 + 241 = 995 5. 423 + 146 = 569 6. 846 - 89 = 757 7. 376 - 195 = 181 8. 396 - 147 = 247 9. 626 - 188 = 438 10. 320 - 29 = 291 |
11. 719 + 422 + 905 + 72 = 2,018 12. 187 + 672 + 80 + 425 = 1,364 13. 48 + 665 + 194 + 373 = 1,280 14. 948 + 205 + 167 + 720 = 2,140 15. 281 + 777 + 546 + 15 = 1,619 16. 526,897 - 378,165 = 148,732 17. 83,157 - 44,659 = 38,548 18. 99,236 - 56,742 = 42,494 19. 840,653 - 598,771 = 241,882 20. 5,391,403 - 2,648,772 = 2,752,631 |
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Multiplication & division | ||||||||||||
11. 364 x 826 = 300,604 12. 555 x 444 = 247,420 13. 797 x 51 = 40,647 14. 286 x 972 = 277,992 15. 319 x 634 = 202,276 16. 740 x 561 = 414,140 17. 493 x 168 = 82,824 18. 666 x 425 =283,050 19. 2,691,837 / 857 = 3,141 20. 992,070 / 365 = 2,618 |
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1. 88 x 33 = 2,904 2. 71 x 49 = 3,459 3. 65 x 34 = 2,110 4. 75 x 24 = 3,520 5. 42 x 46 = 2,310 6. 5,846 / 79 = 84 7. 1,376 / 95 = 16 8. 3,196 / 47 = 67 9. 5,626 / 88 = 58 10. 2,320 / 29 = 61 |
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