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Mental Multiplication Worksheet for Class 3 and 4

Mental maths lesson 8: Multiply 2-digit by 1-digit, tens first · Set 645 · 40 questions
TalentJR

How to do it in your head (Tens first): Split the 2-digit number into tens and ones. Multiply the tens and keep that answer in your head. Multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.13 × 3 =
  2. 2.61 × 5 =
  3. 3.56 × 5 =
  4. 4.43 × 8 =
  5. 5.88 × 3 =
  6. 6.26 × 9 =
  7. 7.59 × 6 =
  8. 8.53 × 5 =
  9. 9.21 × 6 =
  10. 10.88 × 4 =
  11. 11.12 × 5 =
  12. 12.94 × 5 =
  13. 13.34 × 8 =
  14. 14.46 × 4 =
  15. 15.23 × 6 =
  16. 16.17 × 6 =
  17. 17.19 × 4 =
  18. 18.74 × 3 =
  19. 19.17 × 8 =
  20. 20.24 × 4 =
  21. 21.44 × 8 =
  22. 22.66 × 7 =
  23. 23.25 × 7 =
  24. 24.79 × 5 =
  25. 25.48 × 3 =
  26. 26.18 × 4 =
  27. 27.94 × 4 =
  28. 28.34 × 3 =
  29. 29.78 × 7 =
  30. 30.37 × 7 =
  31. 31.77 × 6 =
  32. 32.55 × 4 =
  33. 33.34 × 7 =
  34. 34.62 × 7 =
  35. 35.54 × 9 =
  36. 36.56 × 3 =
  37. 37.66 × 8 =
  38. 38.71 × 5 =
  39. 39.15 × 7 =
  40. 40.48 × 7 =

Answer key

  1. 39
  2. 305
  3. 280
  4. 344
  5. 264
  6. 234
  7. 354
  8. 265
  9. 126
  10. 352
  11. 60
  12. 470
  13. 272
  14. 184
  15. 138
  16. 102
  17. 76
  18. 222
  19. 136
  20. 96
  21. 352
  22. 462
  23. 175
  24. 395
  25. 144
  26. 72
  27. 376
  28. 102
  29. 546
  30. 259
  31. 462
  32. 220
  33. 238
  34. 434
  35. 486
  36. 168
  37. 528
  38. 355
  39. 105
  40. 336

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