← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 652 · 40 questions
TalentJR

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

NameDateTime takenScore ___ / 40
  1. 1.23 × 98 =
  2. 2.4 × 19 =
  3. 3.13 × 9 =
  4. 4.14 × 49 =
  5. 5.3 × 29 =
  6. 6.12 × 49 =
  7. 7.5 × 98 =
  8. 8.3 × 99 =
  9. 9.10 × 29 =
  10. 10.30 × 98 =
  11. 11.11 × 29 =
  12. 12.20 × 98 =
  13. 13.22 × 98 =
  14. 14.14 × 19 =
  15. 15.3 × 19 =
  16. 16.8 × 98 =
  17. 17.8 × 49 =
  18. 18.19 × 99 =
  19. 19.9 × 99 =
  20. 20.17 × 99 =
  21. 21.4 × 19 =
  22. 22.6 × 29 =
  23. 23.5 × 49 =
  24. 24.9 × 99 =
  25. 25.14 × 19 =
  26. 26.9 × 9 =
  27. 27.8 × 19 =
  28. 28.7 × 99 =
  29. 29.17 × 98 =
  30. 30.31 × 99 =
  31. 31.6 × 19 =
  32. 32.11 × 29 =
  33. 33.9 × 9 =
  34. 34.4 × 19 =
  35. 35.15 × 29 =
  36. 36.13 × 19 =
  37. 37.3 × 19 =
  38. 38.4 × 9 =
  39. 39.6 × 9 =
  40. 40.14 × 49 =

Answer key

  1. 2254
  2. 76
  3. 117
  4. 686
  5. 87
  6. 588
  7. 490
  8. 297
  9. 290
  10. 2940
  11. 319
  12. 1960
  13. 2156
  14. 266
  15. 57
  16. 784
  17. 392
  18. 1881
  19. 891
  20. 1683
  21. 76
  22. 174
  23. 245
  24. 891
  25. 266
  26. 81
  27. 152
  28. 693
  29. 1666
  30. 3069
  31. 114
  32. 319
  33. 81
  34. 76
  35. 435
  36. 247
  37. 57
  38. 36
  39. 54
  40. 686

Free tables & multiplication lessons, practice and worksheets at talentjr.in/multiplication-tables