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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 804 · 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. 1.605 × 5 =
  2. 2.678 × 8 =
  3. 3.674 × 3 =
  4. 4.553 × 4 =
  5. 5.473 × 9 =
  6. 6.978 × 5 =
  7. 7.223 × 3 =
  8. 8.961 × 8 =
  9. 9.211 × 9 =
  10. 10.498 × 4 =
  11. 11.212 × 7 =
  12. 12.527 × 4 =
  13. 13.609 × 7 =
  14. 14.934 × 4 =
  15. 15.196 × 7 =
  16. 16.452 × 8 =
  17. 17.171 × 5 =
  18. 18.394 × 5 =
  19. 19.771 × 3 =
  20. 20.542 × 4 =
  21. 21.575 × 7 =
  22. 22.597 × 6 =
  23. 23.651 × 3 =
  24. 24.321 × 5 =
  25. 25.725 × 7 =
  26. 26.201 × 7 =
  27. 27.162 × 3 =
  28. 28.961 × 4 =
  29. 29.901 × 8 =
  30. 30.393 × 8 =
  31. 31.494 × 6 =
  32. 32.859 × 9 =
  33. 33.662 × 9 =
  34. 34.251 × 4 =
  35. 35.433 × 5 =
  36. 36.689 × 5 =
  37. 37.741 × 7 =
  38. 38.332 × 7 =
  39. 39.529 × 9 =
  40. 40.275 × 9 =

Answer key

  1. 3025
  2. 5424
  3. 2022
  4. 2212
  5. 4257
  6. 4890
  7. 669
  8. 7688
  9. 1899
  10. 1992
  11. 1484
  12. 2108
  13. 4263
  14. 3736
  15. 1372
  16. 3616
  17. 855
  18. 1970
  19. 2313
  20. 2168
  21. 4025
  22. 3582
  23. 1953
  24. 1605
  25. 5075
  26. 1407
  27. 486
  28. 3844
  29. 7208
  30. 3144
  31. 2964
  32. 7731
  33. 5958
  34. 1004
  35. 2165
  36. 3445
  37. 5187
  38. 2324
  39. 4761
  40. 2475

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