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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 738 · 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. 1.51 × 5 =
  2. 2.29 × 5 =
  3. 3.59 × 5 =
  4. 4.65 × 8 =
  5. 5.57 × 4 =
  6. 6.91 × 6 =
  7. 7.28 × 4 =
  8. 8.26 × 5 =
  9. 9.44 × 8 =
  10. 10.33 × 3 =
  11. 11.48 × 5 =
  12. 12.31 × 3 =
  13. 13.78 × 8 =
  14. 14.36 × 5 =
  15. 15.19 × 8 =
  16. 16.29 × 6 =
  17. 17.14 × 7 =
  18. 18.21 × 4 =
  19. 19.87 × 8 =
  20. 20.91 × 4 =
  21. 21.32 × 9 =
  22. 22.41 × 4 =
  23. 23.76 × 3 =
  24. 24.81 × 4 =
  25. 25.81 × 8 =
  26. 26.27 × 9 =
  27. 27.58 × 3 =
  28. 28.41 × 5 =
  29. 29.26 × 9 =
  30. 30.58 × 6 =
  31. 31.39 × 7 =
  32. 32.82 × 4 =
  33. 33.29 × 4 =
  34. 34.21 × 9 =
  35. 35.31 × 4 =
  36. 36.98 × 5 =
  37. 37.49 × 5 =
  38. 38.63 × 5 =
  39. 39.71 × 8 =
  40. 40.85 × 7 =

Answer key

  1. 255
  2. 145
  3. 295
  4. 520
  5. 228
  6. 546
  7. 112
  8. 130
  9. 352
  10. 99
  11. 240
  12. 93
  13. 624
  14. 180
  15. 152
  16. 174
  17. 98
  18. 84
  19. 696
  20. 364
  21. 288
  22. 164
  23. 228
  24. 324
  25. 648
  26. 243
  27. 174
  28. 205
  29. 234
  30. 348
  31. 273
  32. 328
  33. 116
  34. 189
  35. 124
  36. 490
  37. 245
  38. 315
  39. 568
  40. 595

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