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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 974 · 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. 1.368 × 8 =
  2. 2.519 × 6 =
  3. 3.751 × 3 =
  4. 4.371 × 6 =
  5. 5.186 × 3 =
  6. 6.415 × 4 =
  7. 7.159 × 5 =
  8. 8.622 × 6 =
  9. 9.853 × 8 =
  10. 10.358 × 5 =
  11. 11.325 × 4 =
  12. 12.514 × 8 =
  13. 13.569 × 8 =
  14. 14.538 × 7 =
  15. 15.923 × 6 =
  16. 16.974 × 4 =
  17. 17.165 × 8 =
  18. 18.715 × 8 =
  19. 19.361 × 8 =
  20. 20.305 × 9 =
  21. 21.402 × 3 =
  22. 22.961 × 9 =
  23. 23.531 × 5 =
  24. 24.431 × 7 =
  25. 25.337 × 7 =
  26. 26.557 × 6 =
  27. 27.554 × 9 =
  28. 28.815 × 8 =
  29. 29.399 × 9 =
  30. 30.137 × 5 =
  31. 31.516 × 8 =
  32. 32.386 × 4 =
  33. 33.757 × 6 =
  34. 34.637 × 5 =
  35. 35.199 × 3 =
  36. 36.777 × 5 =
  37. 37.316 × 8 =
  38. 38.697 × 6 =
  39. 39.891 × 9 =
  40. 40.846 × 4 =

Answer key

  1. 2944
  2. 3114
  3. 2253
  4. 2226
  5. 558
  6. 1660
  7. 795
  8. 3732
  9. 6824
  10. 1790
  11. 1300
  12. 4112
  13. 4552
  14. 3766
  15. 5538
  16. 3896
  17. 1320
  18. 5720
  19. 2888
  20. 2745
  21. 1206
  22. 8649
  23. 2655
  24. 3017
  25. 2359
  26. 3342
  27. 4986
  28. 6520
  29. 3591
  30. 685
  31. 4128
  32. 1544
  33. 4542
  34. 3185
  35. 597
  36. 3885
  37. 2528
  38. 4182
  39. 8019
  40. 3384

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