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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 674 · 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. 1.21 × 9 =
  2. 2.14 × 5 =
  3. 3.61 × 3 =
  4. 4.56 × 5 =
  5. 5.34 × 4 =
  6. 6.97 × 3 =
  7. 7.21 × 7 =
  8. 8.29 × 9 =
  9. 9.71 × 6 =
  10. 10.88 × 3 =
  11. 11.69 × 9 =
  12. 12.25 × 9 =
  13. 13.18 × 3 =
  14. 14.59 × 8 =
  15. 15.36 × 7 =
  16. 16.69 × 4 =
  17. 17.35 × 3 =
  18. 18.47 × 6 =
  19. 19.25 × 8 =
  20. 20.41 × 3 =
  21. 21.12 × 3 =
  22. 22.18 × 5 =
  23. 23.93 × 6 =
  24. 24.81 × 5 =
  25. 25.94 × 5 =
  26. 26.29 × 3 =
  27. 27.72 × 7 =
  28. 28.96 × 9 =
  29. 29.63 × 9 =
  30. 30.13 × 7 =
  31. 31.96 × 5 =
  32. 32.62 × 5 =
  33. 33.79 × 4 =
  34. 34.56 × 9 =
  35. 35.45 × 7 =
  36. 36.42 × 8 =
  37. 37.74 × 3 =
  38. 38.43 × 4 =
  39. 39.27 × 3 =
  40. 40.97 × 5 =

Answer key

  1. 189
  2. 70
  3. 183
  4. 280
  5. 136
  6. 291
  7. 147
  8. 261
  9. 426
  10. 264
  11. 621
  12. 225
  13. 54
  14. 472
  15. 252
  16. 276
  17. 105
  18. 282
  19. 200
  20. 123
  21. 36
  22. 90
  23. 558
  24. 405
  25. 470
  26. 87
  27. 504
  28. 864
  29. 567
  30. 91
  31. 480
  32. 310
  33. 316
  34. 504
  35. 315
  36. 336
  37. 222
  38. 172
  39. 81
  40. 485

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