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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 181 · 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. 1.29 × 7 =
  2. 2.81 × 8 =
  3. 3.14 × 3 =
  4. 4.86 × 3 =
  5. 5.19 × 9 =
  6. 6.88 × 4 =
  7. 7.76 × 5 =
  8. 8.89 × 4 =
  9. 9.81 × 4 =
  10. 10.22 × 9 =
  11. 11.52 × 8 =
  12. 12.65 × 8 =
  13. 13.82 × 3 =
  14. 14.94 × 3 =
  15. 15.31 × 9 =
  16. 16.78 × 7 =
  17. 17.56 × 7 =
  18. 18.91 × 4 =
  19. 19.25 × 8 =
  20. 20.28 × 4 =
  21. 21.21 × 8 =
  22. 22.46 × 3 =
  23. 23.37 × 5 =
  24. 24.36 × 6 =
  25. 25.19 × 8 =
  26. 26.94 × 4 =
  27. 27.46 × 7 =
  28. 28.84 × 8 =
  29. 29.68 × 5 =
  30. 30.54 × 9 =
  31. 31.41 × 3 =
  32. 32.34 × 9 =
  33. 33.61 × 8 =
  34. 34.98 × 4 =
  35. 35.31 × 8 =
  36. 36.44 × 3 =
  37. 37.36 × 9 =
  38. 38.48 × 3 =
  39. 39.85 × 7 =
  40. 40.97 × 7 =

Answer key

  1. 203
  2. 648
  3. 42
  4. 258
  5. 171
  6. 352
  7. 380
  8. 356
  9. 324
  10. 198
  11. 416
  12. 520
  13. 246
  14. 282
  15. 279
  16. 546
  17. 392
  18. 364
  19. 200
  20. 112
  21. 168
  22. 138
  23. 185
  24. 216
  25. 152
  26. 376
  27. 322
  28. 672
  29. 340
  30. 486
  31. 123
  32. 306
  33. 488
  34. 392
  35. 248
  36. 132
  37. 324
  38. 144
  39. 595
  40. 679

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