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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 145 · 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. 1.47 × 3 =
  2. 2.33 × 3 =
  3. 3.81 × 3 =
  4. 4.53 × 3 =
  5. 5.41 × 7 =
  6. 6.69 × 3 =
  7. 7.43 × 3 =
  8. 8.43 × 7 =
  9. 9.12 × 8 =
  10. 10.15 × 4 =
  11. 11.97 × 9 =
  12. 12.84 × 7 =
  13. 13.25 × 6 =
  14. 14.65 × 7 =
  15. 15.98 × 5 =
  16. 16.82 × 5 =
  17. 17.76 × 9 =
  18. 18.47 × 7 =
  19. 19.71 × 3 =
  20. 20.49 × 4 =
  21. 21.87 × 9 =
  22. 22.82 × 4 =
  23. 23.57 × 4 =
  24. 24.61 × 6 =
  25. 25.21 × 6 =
  26. 26.45 × 3 =
  27. 27.89 × 7 =
  28. 28.26 × 7 =
  29. 29.14 × 8 =
  30. 30.53 × 8 =
  31. 31.15 × 3 =
  32. 32.37 × 8 =
  33. 33.25 × 3 =
  34. 34.73 × 9 =
  35. 35.65 × 9 =
  36. 36.54 × 8 =
  37. 37.91 × 5 =
  38. 38.55 × 4 =
  39. 39.29 × 4 =
  40. 40.28 × 7 =

Answer key

  1. 141
  2. 99
  3. 243
  4. 159
  5. 287
  6. 207
  7. 129
  8. 301
  9. 96
  10. 60
  11. 873
  12. 588
  13. 150
  14. 455
  15. 490
  16. 410
  17. 684
  18. 329
  19. 213
  20. 196
  21. 783
  22. 328
  23. 228
  24. 366
  25. 126
  26. 135
  27. 623
  28. 182
  29. 112
  30. 424
  31. 45
  32. 296
  33. 75
  34. 657
  35. 585
  36. 432
  37. 455
  38. 220
  39. 116
  40. 196

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