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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 940 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.123 × 6 =
  2. 2.244 × 7 =
  3. 3.797 × 5 =
  4. 4.248 × 9 =
  5. 5.651 × 6 =
  6. 6.769 × 5 =
  7. 7.773 × 4 =
  8. 8.599 × 5 =
  9. 9.144 × 9 =
  10. 10.673 × 8 =
  11. 11.955 × 3 =
  12. 12.251 × 8 =
  13. 13.973 × 4 =
  14. 14.598 × 7 =
  15. 15.197 × 6 =
  16. 16.506 × 6 =
  17. 17.468 × 4 =
  18. 18.956 × 4 =
  19. 19.951 × 7 =
  20. 20.405 × 8 =
  21. 21.261 × 6 =
  22. 22.234 × 9 =
  23. 23.931 × 9 =
  24. 24.524 × 9 =
  25. 25.117 × 5 =
  26. 26.158 × 5 =
  27. 27.929 × 3 =
  28. 28.343 × 5 =
  29. 29.431 × 7 =
  30. 30.941 × 4 =
  31. 31.262 × 3 =
  32. 32.414 × 6 =
  33. 33.238 × 5 =
  34. 34.295 × 4 =
  35. 35.253 × 7 =
  36. 36.227 × 4 =
  37. 37.424 × 5 =
  38. 38.532 × 3 =
  39. 39.214 × 3 =
  40. 40.186 × 7 =

Answer key

  1. 738
  2. 1708
  3. 3985
  4. 2232
  5. 3906
  6. 3845
  7. 3092
  8. 2995
  9. 1296
  10. 5384
  11. 2865
  12. 2008
  13. 3892
  14. 4186
  15. 1182
  16. 3036
  17. 1872
  18. 3824
  19. 6657
  20. 3240
  21. 1566
  22. 2106
  23. 8379
  24. 4716
  25. 585
  26. 790
  27. 2787
  28. 1715
  29. 3017
  30. 3764
  31. 786
  32. 2484
  33. 1190
  34. 1180
  35. 1771
  36. 908
  37. 2120
  38. 1596
  39. 642
  40. 1302

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