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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 166 · 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. 1.79 × 8 =
  2. 2.21 × 7 =
  3. 3.72 × 6 =
  4. 4.69 × 4 =
  5. 5.39 × 6 =
  6. 6.45 × 8 =
  7. 7.51 × 9 =
  8. 8.38 × 9 =
  9. 9.33 × 9 =
  10. 10.18 × 8 =
  11. 11.29 × 6 =
  12. 12.45 × 4 =
  13. 13.19 × 4 =
  14. 14.12 × 4 =
  15. 15.28 × 3 =
  16. 16.93 × 6 =
  17. 17.17 × 3 =
  18. 18.21 × 5 =
  19. 19.36 × 6 =
  20. 20.58 × 3 =
  21. 21.92 × 4 =
  22. 22.91 × 7 =
  23. 23.71 × 4 =
  24. 24.69 × 8 =
  25. 25.21 × 9 =
  26. 26.65 × 4 =
  27. 27.91 × 6 =
  28. 28.95 × 4 =
  29. 29.84 × 5 =
  30. 30.33 × 5 =
  31. 31.75 × 9 =
  32. 32.61 × 4 =
  33. 33.43 × 3 =
  34. 34.87 × 3 =
  35. 35.26 × 3 =
  36. 36.76 × 6 =
  37. 37.71 × 8 =
  38. 38.59 × 7 =
  39. 39.45 × 6 =
  40. 40.49 × 4 =

Answer key

  1. 632
  2. 147
  3. 432
  4. 276
  5. 234
  6. 360
  7. 459
  8. 342
  9. 297
  10. 144
  11. 174
  12. 180
  13. 76
  14. 48
  15. 84
  16. 558
  17. 51
  18. 105
  19. 216
  20. 174
  21. 368
  22. 637
  23. 284
  24. 552
  25. 189
  26. 260
  27. 546
  28. 380
  29. 420
  30. 165
  31. 675
  32. 244
  33. 129
  34. 261
  35. 78
  36. 456
  37. 568
  38. 413
  39. 270
  40. 196

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