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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 48 · 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. 1.209 × 6 =
  2. 2.196 × 9 =
  3. 3.134 × 3 =
  4. 4.911 × 3 =
  5. 5.169 × 3 =
  6. 6.889 × 6 =
  7. 7.688 × 8 =
  8. 8.241 × 6 =
  9. 9.465 × 3 =
  10. 10.793 × 3 =
  11. 11.661 × 3 =
  12. 12.981 × 3 =
  13. 13.902 × 8 =
  14. 14.706 × 5 =
  15. 15.599 × 3 =
  16. 16.671 × 8 =
  17. 17.161 × 3 =
  18. 18.216 × 5 =
  19. 19.273 × 3 =
  20. 20.219 × 3 =
  21. 21.971 × 7 =
  22. 22.854 × 9 =
  23. 23.639 × 3 =
  24. 24.702 × 3 =
  25. 25.945 × 3 =
  26. 26.615 × 6 =
  27. 27.279 × 5 =
  28. 28.312 × 8 =
  29. 29.731 × 6 =
  30. 30.267 × 5 =
  31. 31.745 × 8 =
  32. 32.688 × 3 =
  33. 33.941 × 3 =
  34. 34.507 × 7 =
  35. 35.165 × 9 =
  36. 36.407 × 9 =
  37. 37.723 × 3 =
  38. 38.708 × 7 =
  39. 39.831 × 8 =
  40. 40.357 × 6 =

Answer key

  1. 1254
  2. 1764
  3. 402
  4. 2733
  5. 507
  6. 5334
  7. 5504
  8. 1446
  9. 1395
  10. 2379
  11. 1983
  12. 2943
  13. 7216
  14. 3530
  15. 1797
  16. 5368
  17. 483
  18. 1080
  19. 819
  20. 657
  21. 6797
  22. 7686
  23. 1917
  24. 2106
  25. 2835
  26. 3690
  27. 1395
  28. 2496
  29. 4386
  30. 1335
  31. 5960
  32. 2064
  33. 2823
  34. 3549
  35. 1485
  36. 3663
  37. 2169
  38. 4956
  39. 6648
  40. 2142

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