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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 341 · 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. 1.35 × 8 =
  2. 2.86 × 8 =
  3. 3.74 × 9 =
  4. 4.93 × 7 =
  5. 5.36 × 6 =
  6. 6.28 × 5 =
  7. 7.55 × 4 =
  8. 8.22 × 9 =
  9. 9.23 × 6 =
  10. 10.88 × 5 =
  11. 11.45 × 9 =
  12. 12.12 × 4 =
  13. 13.78 × 7 =
  14. 14.29 × 4 =
  15. 15.99 × 9 =
  16. 16.17 × 6 =
  17. 17.71 × 3 =
  18. 18.44 × 9 =
  19. 19.33 × 8 =
  20. 20.71 × 5 =
  21. 21.25 × 3 =
  22. 22.72 × 5 =
  23. 23.55 × 9 =
  24. 24.78 × 9 =
  25. 25.67 × 6 =
  26. 26.21 × 7 =
  27. 27.21 × 4 =
  28. 28.69 × 5 =
  29. 29.45 × 6 =
  30. 30.16 × 6 =
  31. 31.95 × 3 =
  32. 32.51 × 8 =
  33. 33.82 × 3 =
  34. 34.37 × 9 =
  35. 35.95 × 5 =
  36. 36.43 × 4 =
  37. 37.17 × 4 =
  38. 38.74 × 6 =
  39. 39.38 × 9 =
  40. 40.31 × 5 =

Answer key

  1. 280
  2. 688
  3. 666
  4. 651
  5. 216
  6. 140
  7. 220
  8. 198
  9. 138
  10. 440
  11. 405
  12. 48
  13. 546
  14. 116
  15. 891
  16. 102
  17. 213
  18. 396
  19. 264
  20. 355
  21. 75
  22. 360
  23. 495
  24. 702
  25. 402
  26. 147
  27. 84
  28. 345
  29. 270
  30. 96
  31. 285
  32. 408
  33. 246
  34. 333
  35. 475
  36. 172
  37. 68
  38. 444
  39. 342
  40. 155

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