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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 934 · 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. 1.684 × 9 =
  2. 2.113 × 5 =
  3. 3.151 × 6 =
  4. 4.351 × 8 =
  5. 5.569 × 8 =
  6. 6.375 × 8 =
  7. 7.502 × 8 =
  8. 8.398 × 7 =
  9. 9.805 × 6 =
  10. 10.832 × 7 =
  11. 11.711 × 6 =
  12. 12.453 × 7 =
  13. 13.852 × 7 =
  14. 14.331 × 4 =
  15. 15.832 × 4 =
  16. 16.591 × 9 =
  17. 17.911 × 9 =
  18. 18.173 × 7 =
  19. 19.754 × 3 =
  20. 20.525 × 6 =
  21. 21.208 × 6 =
  22. 22.791 × 5 =
  23. 23.349 × 9 =
  24. 24.301 × 4 =
  25. 25.651 × 8 =
  26. 26.758 × 3 =
  27. 27.939 × 4 =
  28. 28.379 × 9 =
  29. 29.438 × 5 =
  30. 30.761 × 7 =
  31. 31.771 × 5 =
  32. 32.619 × 5 =
  33. 33.587 × 6 =
  34. 34.348 × 7 =
  35. 35.182 × 3 =
  36. 36.925 × 5 =
  37. 37.499 × 6 =
  38. 38.382 × 5 =
  39. 39.957 × 3 =
  40. 40.348 × 6 =

Answer key

  1. 6156
  2. 565
  3. 906
  4. 2808
  5. 4552
  6. 3000
  7. 4016
  8. 2786
  9. 4830
  10. 5824
  11. 4266
  12. 3171
  13. 5964
  14. 1324
  15. 3328
  16. 5319
  17. 8199
  18. 1211
  19. 2262
  20. 3150
  21. 1248
  22. 3955
  23. 3141
  24. 1204
  25. 5208
  26. 2274
  27. 3756
  28. 3411
  29. 2190
  30. 5327
  31. 3855
  32. 3095
  33. 3522
  34. 2436
  35. 546
  36. 4625
  37. 2994
  38. 1910
  39. 2871
  40. 2088

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