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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 979 · 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. 1.833 × 3 =
  2. 2.204 × 3 =
  3. 3.868 × 9 =
  4. 4.801 × 6 =
  5. 5.901 × 3 =
  6. 6.952 × 7 =
  7. 7.846 × 9 =
  8. 8.766 × 8 =
  9. 9.338 × 7 =
  10. 10.263 × 6 =
  11. 11.456 × 4 =
  12. 12.511 × 9 =
  13. 13.694 × 7 =
  14. 14.151 × 4 =
  15. 15.244 × 5 =
  16. 16.666 × 5 =
  17. 17.632 × 6 =
  18. 18.201 × 5 =
  19. 19.656 × 3 =
  20. 20.922 × 4 =
  21. 21.782 × 8 =
  22. 22.393 × 4 =
  23. 23.225 × 5 =
  24. 24.529 × 6 =
  25. 25.857 × 3 =
  26. 26.852 × 7 =
  27. 27.946 × 7 =
  28. 28.283 × 9 =
  29. 29.518 × 5 =
  30. 30.592 × 4 =
  31. 31.589 × 9 =
  32. 32.202 × 7 =
  33. 33.692 × 8 =
  34. 34.446 × 4 =
  35. 35.422 × 9 =
  36. 36.574 × 5 =
  37. 37.898 × 7 =
  38. 38.116 × 5 =
  39. 39.224 × 4 =
  40. 40.241 × 9 =

Answer key

  1. 2499
  2. 612
  3. 7812
  4. 4806
  5. 2703
  6. 6664
  7. 7614
  8. 6128
  9. 2366
  10. 1578
  11. 1824
  12. 4599
  13. 4858
  14. 604
  15. 1220
  16. 3330
  17. 3792
  18. 1005
  19. 1968
  20. 3688
  21. 6256
  22. 1572
  23. 1125
  24. 3174
  25. 2571
  26. 5964
  27. 6622
  28. 2547
  29. 2590
  30. 2368
  31. 5301
  32. 1414
  33. 5536
  34. 1784
  35. 3798
  36. 2870
  37. 6286
  38. 580
  39. 896
  40. 2169

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