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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 860 · 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. 1.935 × 8 =
  2. 2.202 × 8 =
  3. 3.909 × 5 =
  4. 4.189 × 3 =
  5. 5.355 × 4 =
  6. 6.247 × 9 =
  7. 7.887 × 6 =
  8. 8.449 × 3 =
  9. 9.351 × 3 =
  10. 10.171 × 3 =
  11. 11.474 × 7 =
  12. 12.666 × 7 =
  13. 13.706 × 6 =
  14. 14.167 × 4 =
  15. 15.127 × 7 =
  16. 16.731 × 3 =
  17. 17.303 × 6 =
  18. 18.744 × 8 =
  19. 19.499 × 7 =
  20. 20.183 × 5 =
  21. 21.183 × 6 =
  22. 22.599 × 4 =
  23. 23.926 × 4 =
  24. 24.855 × 3 =
  25. 25.223 × 5 =
  26. 26.917 × 3 =
  27. 27.868 × 4 =
  28. 28.906 × 9 =
  29. 29.641 × 4 =
  30. 30.568 × 7 =
  31. 31.292 × 6 =
  32. 32.317 × 9 =
  33. 33.841 × 4 =
  34. 34.215 × 5 =
  35. 35.451 × 3 =
  36. 36.623 × 6 =
  37. 37.341 × 7 =
  38. 38.159 × 7 =
  39. 39.602 × 8 =
  40. 40.377 × 4 =

Answer key

  1. 7480
  2. 1616
  3. 4545
  4. 567
  5. 1420
  6. 2223
  7. 5322
  8. 1347
  9. 1053
  10. 513
  11. 3318
  12. 4662
  13. 4236
  14. 668
  15. 889
  16. 2193
  17. 1818
  18. 5952
  19. 3493
  20. 915
  21. 1098
  22. 2396
  23. 3704
  24. 2565
  25. 1115
  26. 2751
  27. 3472
  28. 8154
  29. 2564
  30. 3976
  31. 1752
  32. 2853
  33. 3364
  34. 1075
  35. 1353
  36. 3738
  37. 2387
  38. 1113
  39. 4816
  40. 1508

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