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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 83 · 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. 1.31 × 4 =
  2. 2.57 × 9 =
  3. 3.52 × 7 =
  4. 4.81 × 3 =
  5. 5.54 × 3 =
  6. 6.79 × 3 =
  7. 7.25 × 7 =
  8. 8.91 × 5 =
  9. 9.45 × 3 =
  10. 10.43 × 8 =
  11. 11.88 × 4 =
  12. 12.22 × 6 =
  13. 13.98 × 5 =
  14. 14.96 × 4 =
  15. 15.36 × 8 =
  16. 16.88 × 3 =
  17. 17.44 × 4 =
  18. 18.59 × 4 =
  19. 19.55 × 5 =
  20. 20.16 × 5 =
  21. 21.21 × 3 =
  22. 22.32 × 4 =
  23. 23.88 × 9 =
  24. 24.21 × 4 =
  25. 25.25 × 6 =
  26. 26.88 × 8 =
  27. 27.85 × 7 =
  28. 28.86 × 7 =
  29. 29.38 × 3 =
  30. 30.45 × 6 =
  31. 31.31 × 6 =
  32. 32.88 × 5 =
  33. 33.71 × 6 =
  34. 34.57 × 4 =
  35. 35.51 × 5 =
  36. 36.48 × 3 =
  37. 37.31 × 8 =
  38. 38.68 × 6 =
  39. 39.48 × 7 =
  40. 40.78 × 5 =

Answer key

  1. 124
  2. 513
  3. 364
  4. 243
  5. 162
  6. 237
  7. 175
  8. 455
  9. 135
  10. 344
  11. 352
  12. 132
  13. 490
  14. 384
  15. 288
  16. 264
  17. 176
  18. 236
  19. 275
  20. 80
  21. 63
  22. 128
  23. 792
  24. 84
  25. 150
  26. 704
  27. 595
  28. 602
  29. 114
  30. 270
  31. 186
  32. 440
  33. 426
  34. 228
  35. 255
  36. 144
  37. 248
  38. 408
  39. 336
  40. 390

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