← Multiply 3-digit by 1-digit, hundreds first lesson New set →

3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 632 · 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. 1.674 × 7 =
  2. 2.237 × 3 =
  3. 3.538 × 7 =
  4. 4.453 × 7 =
  5. 5.181 × 3 =
  6. 6.238 × 7 =
  7. 7.729 × 5 =
  8. 8.888 × 6 =
  9. 9.501 × 3 =
  10. 10.429 × 8 =
  11. 11.651 × 8 =
  12. 12.921 × 7 =
  13. 13.268 × 4 =
  14. 14.595 × 4 =
  15. 15.954 × 7 =
  16. 16.436 × 8 =
  17. 17.252 × 6 =
  18. 18.715 × 3 =
  19. 19.706 × 4 =
  20. 20.467 × 5 =
  21. 21.141 × 7 =
  22. 22.211 × 5 =
  23. 23.128 × 3 =
  24. 24.848 × 8 =
  25. 25.648 × 5 =
  26. 26.859 × 6 =
  27. 27.665 × 5 =
  28. 28.633 × 7 =
  29. 29.251 × 4 =
  30. 30.532 × 6 =
  31. 31.786 × 3 =
  32. 32.465 × 7 =
  33. 33.254 × 3 =
  34. 34.644 × 7 =
  35. 35.481 × 7 =
  36. 36.909 × 9 =
  37. 37.879 × 8 =
  38. 38.156 × 6 =
  39. 39.152 × 9 =
  40. 40.375 × 6 =

Answer key

  1. 4718
  2. 711
  3. 3766
  4. 3171
  5. 543
  6. 1666
  7. 3645
  8. 5328
  9. 1503
  10. 3432
  11. 5208
  12. 6447
  13. 1072
  14. 2380
  15. 6678
  16. 3488
  17. 1512
  18. 2145
  19. 2824
  20. 2335
  21. 987
  22. 1055
  23. 384
  24. 6784
  25. 3240
  26. 5154
  27. 3325
  28. 4431
  29. 1004
  30. 3192
  31. 2358
  32. 3255
  33. 762
  34. 4508
  35. 3367
  36. 8181
  37. 7032
  38. 936
  39. 1368
  40. 2250

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths