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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 972 · 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. 1.829 × 8 =
  2. 2.697 × 4 =
  3. 3.595 × 3 =
  4. 4.669 × 3 =
  5. 5.309 × 6 =
  6. 6.471 × 4 =
  7. 7.922 × 3 =
  8. 8.294 × 3 =
  9. 9.759 × 7 =
  10. 10.672 × 4 =
  11. 11.133 × 7 =
  12. 12.986 × 3 =
  13. 13.674 × 6 =
  14. 14.941 × 4 =
  15. 15.957 × 5 =
  16. 16.986 × 9 =
  17. 17.896 × 5 =
  18. 18.497 × 4 =
  19. 19.304 × 3 =
  20. 20.661 × 9 =
  21. 21.177 × 3 =
  22. 22.248 × 8 =
  23. 23.141 × 9 =
  24. 24.856 × 3 =
  25. 25.579 × 7 =
  26. 26.956 × 8 =
  27. 27.427 × 5 =
  28. 28.533 × 8 =
  29. 29.728 × 7 =
  30. 30.476 × 8 =
  31. 31.541 × 6 =
  32. 32.699 × 9 =
  33. 33.745 × 4 =
  34. 34.926 × 9 =
  35. 35.893 × 9 =
  36. 36.263 × 7 =
  37. 37.136 × 9 =
  38. 38.355 × 4 =
  39. 39.144 × 7 =
  40. 40.643 × 7 =

Answer key

  1. 6632
  2. 2788
  3. 1785
  4. 2007
  5. 1854
  6. 1884
  7. 2766
  8. 882
  9. 5313
  10. 2688
  11. 931
  12. 2958
  13. 4044
  14. 3764
  15. 4785
  16. 8874
  17. 4480
  18. 1988
  19. 912
  20. 5949
  21. 531
  22. 1984
  23. 1269
  24. 2568
  25. 4053
  26. 7648
  27. 2135
  28. 4264
  29. 5096
  30. 3808
  31. 3246
  32. 6291
  33. 2980
  34. 8334
  35. 8037
  36. 1841
  37. 1224
  38. 1420
  39. 1008
  40. 4501

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