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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 856 · 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. 1.924 × 9 =
  2. 2.386 × 6 =
  3. 3.958 × 4 =
  4. 4.725 × 3 =
  5. 5.241 × 6 =
  6. 6.979 × 5 =
  7. 7.712 × 3 =
  8. 8.931 × 9 =
  9. 9.141 × 8 =
  10. 10.299 × 5 =
  11. 11.935 × 7 =
  12. 12.322 × 3 =
  13. 13.671 × 4 =
  14. 14.986 × 8 =
  15. 15.571 × 5 =
  16. 16.361 × 7 =
  17. 17.873 × 9 =
  18. 18.727 × 3 =
  19. 19.335 × 3 =
  20. 20.606 × 4 =
  21. 21.866 × 9 =
  22. 22.764 × 7 =
  23. 23.981 × 9 =
  24. 24.139 × 9 =
  25. 25.189 × 3 =
  26. 26.537 × 6 =
  27. 27.322 × 8 =
  28. 28.323 × 6 =
  29. 29.967 × 7 =
  30. 30.465 × 6 =
  31. 31.684 × 6 =
  32. 32.417 × 8 =
  33. 33.561 × 7 =
  34. 34.116 × 3 =
  35. 35.363 × 8 =
  36. 36.548 × 8 =
  37. 37.303 × 4 =
  38. 38.539 × 9 =
  39. 39.802 × 8 =
  40. 40.231 × 6 =

Answer key

  1. 8316
  2. 2316
  3. 3832
  4. 2175
  5. 1446
  6. 4895
  7. 2136
  8. 8379
  9. 1128
  10. 1495
  11. 6545
  12. 966
  13. 2684
  14. 7888
  15. 2855
  16. 2527
  17. 7857
  18. 2181
  19. 1005
  20. 2424
  21. 7794
  22. 5348
  23. 8829
  24. 1251
  25. 567
  26. 3222
  27. 2576
  28. 1938
  29. 6769
  30. 2790
  31. 4104
  32. 3336
  33. 3927
  34. 348
  35. 2904
  36. 4384
  37. 1212
  38. 4851
  39. 6416
  40. 1386

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