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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 378 · 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. 1.89 × 8 =
  2. 2.79 × 9 =
  3. 3.14 × 3 =
  4. 4.28 × 9 =
  5. 5.66 × 5 =
  6. 6.21 × 3 =
  7. 7.51 × 6 =
  8. 8.92 × 7 =
  9. 9.72 × 4 =
  10. 10.42 × 3 =
  11. 11.57 × 6 =
  12. 12.69 × 5 =
  13. 13.64 × 4 =
  14. 14.31 × 5 =
  15. 15.21 × 6 =
  16. 16.73 × 8 =
  17. 17.95 × 3 =
  18. 18.27 × 3 =
  19. 19.67 × 9 =
  20. 20.36 × 8 =
  21. 21.37 × 3 =
  22. 22.14 × 4 =
  23. 23.51 × 8 =
  24. 24.24 × 9 =
  25. 25.28 × 5 =
  26. 26.75 × 5 =
  27. 27.96 × 9 =
  28. 28.91 × 6 =
  29. 29.81 × 9 =
  30. 30.55 × 9 =
  31. 31.15 × 6 =
  32. 32.62 × 4 =
  33. 33.85 × 8 =
  34. 34.37 × 4 =
  35. 35.27 × 4 =
  36. 36.38 × 6 =
  37. 37.58 × 8 =
  38. 38.42 × 8 =
  39. 39.48 × 7 =
  40. 40.91 × 8 =

Answer key

  1. 712
  2. 711
  3. 42
  4. 252
  5. 330
  6. 63
  7. 306
  8. 644
  9. 288
  10. 126
  11. 342
  12. 345
  13. 256
  14. 155
  15. 126
  16. 584
  17. 285
  18. 81
  19. 603
  20. 288
  21. 111
  22. 56
  23. 408
  24. 216
  25. 140
  26. 375
  27. 864
  28. 546
  29. 729
  30. 495
  31. 90
  32. 248
  33. 680
  34. 148
  35. 108
  36. 228
  37. 464
  38. 336
  39. 336
  40. 728

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