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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 227 · 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. 1.316 × 6 =
  2. 2.823 × 9 =
  3. 3.169 × 8 =
  4. 4.955 × 7 =
  5. 5.631 × 6 =
  6. 6.127 × 9 =
  7. 7.129 × 3 =
  8. 8.135 × 4 =
  9. 9.331 × 3 =
  10. 10.833 × 7 =
  11. 11.752 × 3 =
  12. 12.787 × 7 =
  13. 13.152 × 4 =
  14. 14.554 × 4 =
  15. 15.171 × 7 =
  16. 16.729 × 4 =
  17. 17.495 × 5 =
  18. 18.836 × 5 =
  19. 19.485 × 4 =
  20. 20.492 × 8 =
  21. 21.738 × 7 =
  22. 22.517 × 8 =
  23. 23.946 × 4 =
  24. 24.261 × 4 =
  25. 25.699 × 9 =
  26. 26.987 × 7 =
  27. 27.259 × 7 =
  28. 28.522 × 5 =
  29. 29.165 × 4 =
  30. 30.148 × 4 =
  31. 31.964 × 5 =
  32. 32.902 × 9 =
  33. 33.115 × 5 =
  34. 34.154 × 6 =
  35. 35.584 × 3 =
  36. 36.185 × 4 =
  37. 37.898 × 4 =
  38. 38.134 × 4 =
  39. 39.407 × 7 =
  40. 40.451 × 5 =

Answer key

  1. 1896
  2. 7407
  3. 1352
  4. 6685
  5. 3786
  6. 1143
  7. 387
  8. 540
  9. 993
  10. 5831
  11. 2256
  12. 5509
  13. 608
  14. 2216
  15. 1197
  16. 2916
  17. 2475
  18. 4180
  19. 1940
  20. 3936
  21. 5166
  22. 4136
  23. 3784
  24. 1044
  25. 6291
  26. 6909
  27. 1813
  28. 2610
  29. 660
  30. 592
  31. 4820
  32. 8118
  33. 575
  34. 924
  35. 1752
  36. 740
  37. 3592
  38. 536
  39. 2849
  40. 2255

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