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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 270 · 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. 1.61 × 5 =
  2. 2.41 × 8 =
  3. 3.76 × 9 =
  4. 4.82 × 8 =
  5. 5.74 × 8 =
  6. 6.65 × 9 =
  7. 7.39 × 9 =
  8. 8.13 × 6 =
  9. 9.64 × 3 =
  10. 10.16 × 3 =
  11. 11.81 × 9 =
  12. 12.83 × 8 =
  13. 13.47 × 8 =
  14. 14.52 × 6 =
  15. 15.81 × 4 =
  16. 16.49 × 6 =
  17. 17.51 × 6 =
  18. 18.86 × 3 =
  19. 19.61 × 7 =
  20. 20.18 × 8 =
  21. 21.64 × 6 =
  22. 22.42 × 6 =
  23. 23.28 × 8 =
  24. 24.42 × 4 =
  25. 25.81 × 3 =
  26. 26.71 × 8 =
  27. 27.85 × 5 =
  28. 28.29 × 3 =
  29. 29.27 × 9 =
  30. 30.48 × 3 =
  31. 31.24 × 6 =
  32. 32.51 × 4 =
  33. 33.69 × 9 =
  34. 34.61 × 9 =
  35. 35.25 × 9 =
  36. 36.14 × 5 =
  37. 37.89 × 3 =
  38. 38.69 × 4 =
  39. 39.18 × 9 =
  40. 40.63 × 8 =

Answer key

  1. 305
  2. 328
  3. 684
  4. 656
  5. 592
  6. 585
  7. 351
  8. 78
  9. 192
  10. 48
  11. 729
  12. 664
  13. 376
  14. 312
  15. 324
  16. 294
  17. 306
  18. 258
  19. 427
  20. 144
  21. 384
  22. 252
  23. 224
  24. 168
  25. 243
  26. 568
  27. 425
  28. 87
  29. 243
  30. 144
  31. 144
  32. 204
  33. 621
  34. 549
  35. 225
  36. 70
  37. 267
  38. 276
  39. 162
  40. 504

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