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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 99 · 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. 1.57 × 3 =
  2. 2.36 × 9 =
  3. 3.45 × 9 =
  4. 4.56 × 8 =
  5. 5.36 × 5 =
  6. 6.72 × 8 =
  7. 7.32 × 4 =
  8. 8.34 × 8 =
  9. 9.61 × 8 =
  10. 10.66 × 3 =
  11. 11.23 × 4 =
  12. 12.64 × 5 =
  13. 13.49 × 9 =
  14. 14.39 × 3 =
  15. 15.97 × 7 =
  16. 16.43 × 6 =
  17. 17.19 × 3 =
  18. 18.81 × 3 =
  19. 19.21 × 3 =
  20. 20.22 × 7 =
  21. 21.67 × 8 =
  22. 22.81 × 5 =
  23. 23.76 × 7 =
  24. 24.23 × 3 =
  25. 25.86 × 3 =
  26. 26.26 × 5 =
  27. 27.61 × 3 =
  28. 28.46 × 9 =
  29. 29.33 × 6 =
  30. 30.81 × 8 =
  31. 31.74 × 9 =
  32. 32.95 × 4 =
  33. 33.56 × 4 =
  34. 34.41 × 3 =
  35. 35.74 × 3 =
  36. 36.63 × 3 =
  37. 37.26 × 4 =
  38. 38.95 × 3 =
  39. 39.31 × 5 =
  40. 40.61 × 5 =

Answer key

  1. 171
  2. 324
  3. 405
  4. 448
  5. 180
  6. 576
  7. 128
  8. 272
  9. 488
  10. 198
  11. 92
  12. 320
  13. 441
  14. 117
  15. 679
  16. 258
  17. 57
  18. 243
  19. 63
  20. 154
  21. 536
  22. 405
  23. 532
  24. 69
  25. 258
  26. 130
  27. 183
  28. 414
  29. 198
  30. 648
  31. 666
  32. 380
  33. 224
  34. 123
  35. 222
  36. 189
  37. 104
  38. 285
  39. 155
  40. 305

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