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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 158 · 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. 1.72 × 4 =
  2. 2.89 × 5 =
  3. 3.74 × 7 =
  4. 4.51 × 5 =
  5. 5.35 × 3 =
  6. 6.31 × 3 =
  7. 7.12 × 5 =
  8. 8.85 × 4 =
  9. 9.99 × 9 =
  10. 10.42 × 8 =
  11. 11.57 × 7 =
  12. 12.75 × 9 =
  13. 13.95 × 3 =
  14. 14.66 × 6 =
  15. 15.85 × 3 =
  16. 16.59 × 7 =
  17. 17.29 × 5 =
  18. 18.94 × 9 =
  19. 19.53 × 3 =
  20. 20.92 × 4 =
  21. 21.33 × 4 =
  22. 22.45 × 4 =
  23. 23.91 × 4 =
  24. 24.85 × 5 =
  25. 25.41 × 8 =
  26. 26.43 × 8 =
  27. 27.29 × 7 =
  28. 28.41 × 9 =
  29. 29.19 × 3 =
  30. 30.72 × 9 =
  31. 31.81 × 6 =
  32. 32.52 × 7 =
  33. 33.14 × 3 =
  34. 34.38 × 9 =
  35. 35.67 × 3 =
  36. 36.22 × 6 =
  37. 37.71 × 7 =
  38. 38.33 × 7 =
  39. 39.51 × 9 =
  40. 40.59 × 9 =

Answer key

  1. 288
  2. 445
  3. 518
  4. 255
  5. 105
  6. 93
  7. 60
  8. 340
  9. 891
  10. 336
  11. 399
  12. 675
  13. 285
  14. 396
  15. 255
  16. 413
  17. 145
  18. 846
  19. 159
  20. 368
  21. 132
  22. 180
  23. 364
  24. 425
  25. 328
  26. 344
  27. 203
  28. 369
  29. 57
  30. 648
  31. 486
  32. 364
  33. 42
  34. 342
  35. 201
  36. 132
  37. 497
  38. 231
  39. 459
  40. 531

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