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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 730 · 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. 1.204 × 6 =
  2. 2.571 × 3 =
  3. 3.689 × 5 =
  4. 4.152 × 6 =
  5. 5.701 × 5 =
  6. 6.868 × 6 =
  7. 7.361 × 8 =
  8. 8.142 × 6 =
  9. 9.812 × 6 =
  10. 10.282 × 4 =
  11. 11.891 × 4 =
  12. 12.533 × 7 =
  13. 13.221 × 7 =
  14. 14.733 × 3 =
  15. 15.966 × 6 =
  16. 16.943 × 4 =
  17. 17.225 × 8 =
  18. 18.733 × 6 =
  19. 19.331 × 6 =
  20. 20.226 × 3 =
  21. 21.884 × 3 =
  22. 22.282 × 6 =
  23. 23.562 × 6 =
  24. 24.771 × 7 =
  25. 25.583 × 4 =
  26. 26.371 × 7 =
  27. 27.251 × 3 =
  28. 28.823 × 3 =
  29. 29.681 × 4 =
  30. 30.429 × 7 =
  31. 31.315 × 4 =
  32. 32.552 × 3 =
  33. 33.428 × 8 =
  34. 34.543 × 9 =
  35. 35.651 × 9 =
  36. 36.778 × 4 =
  37. 37.261 × 5 =
  38. 38.851 × 6 =
  39. 39.442 × 5 =
  40. 40.378 × 3 =

Answer key

  1. 1224
  2. 1713
  3. 3445
  4. 912
  5. 3505
  6. 5208
  7. 2888
  8. 852
  9. 4872
  10. 1128
  11. 3564
  12. 3731
  13. 1547
  14. 2199
  15. 5796
  16. 3772
  17. 1800
  18. 4398
  19. 1986
  20. 678
  21. 2652
  22. 1692
  23. 3372
  24. 5397
  25. 2332
  26. 2597
  27. 753
  28. 2469
  29. 2724
  30. 3003
  31. 1260
  32. 1656
  33. 3424
  34. 4887
  35. 5859
  36. 3112
  37. 1305
  38. 5106
  39. 2210
  40. 1134

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