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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 873 · 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. 1.306 × 5 =
  2. 2.825 × 9 =
  3. 3.452 × 5 =
  4. 4.735 × 4 =
  5. 5.604 × 4 =
  6. 6.506 × 7 =
  7. 7.306 × 9 =
  8. 8.501 × 7 =
  9. 9.299 × 9 =
  10. 10.927 × 7 =
  11. 11.541 × 4 =
  12. 12.312 × 9 =
  13. 13.303 × 3 =
  14. 14.385 × 7 =
  15. 15.921 × 3 =
  16. 16.653 × 7 =
  17. 17.169 × 5 =
  18. 18.465 × 7 =
  19. 19.712 × 8 =
  20. 20.351 × 6 =
  21. 21.583 × 6 =
  22. 22.415 × 8 =
  23. 23.837 × 4 =
  24. 24.672 × 9 =
  25. 25.833 × 6 =
  26. 26.142 × 3 =
  27. 27.826 × 6 =
  28. 28.857 × 4 =
  29. 29.819 × 9 =
  30. 30.152 × 3 =
  31. 31.836 × 5 =
  32. 32.254 × 5 =
  33. 33.957 × 6 =
  34. 34.589 × 7 =
  35. 35.431 × 4 =
  36. 36.121 × 6 =
  37. 37.534 × 9 =
  38. 38.866 × 3 =
  39. 39.678 × 3 =
  40. 40.329 × 3 =

Answer key

  1. 1530
  2. 7425
  3. 2260
  4. 2940
  5. 2416
  6. 3542
  7. 2754
  8. 3507
  9. 2691
  10. 6489
  11. 2164
  12. 2808
  13. 909
  14. 2695
  15. 2763
  16. 4571
  17. 845
  18. 3255
  19. 5696
  20. 2106
  21. 3498
  22. 3320
  23. 3348
  24. 6048
  25. 4998
  26. 426
  27. 4956
  28. 3428
  29. 7371
  30. 456
  31. 4180
  32. 1270
  33. 5742
  34. 4123
  35. 1724
  36. 726
  37. 4806
  38. 2598
  39. 2034
  40. 987

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