← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 622 · 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. 1.24 × 98 =
  2. 2.9 × 29 =
  3. 3.5 × 98 =
  4. 4.6 × 29 =
  5. 5.9 × 49 =
  6. 6.14 × 29 =
  7. 7.5 × 29 =
  8. 8.25 × 99 =
  9. 9.7 × 19 =
  10. 10.4 × 9 =
  11. 11.11 × 49 =
  12. 12.17 × 98 =
  13. 13.5 × 29 =
  14. 14.9 × 19 =
  15. 15.6 × 99 =
  16. 16.5 × 98 =
  17. 17.16 × 98 =
  18. 18.7 × 9 =
  19. 19.15 × 9 =
  20. 20.6 × 49 =
  21. 21.11 × 29 =
  22. 22.40 × 99 =
  23. 23.10 × 49 =
  24. 24.14 × 29 =
  25. 25.6 × 9 =
  26. 26.4 × 49 =
  27. 27.36 × 99 =
  28. 28.8 × 9 =
  29. 29.12 × 99 =
  30. 30.3 × 98 =
  31. 31.11 × 9 =
  32. 32.33 × 99 =
  33. 33.12 × 19 =
  34. 34.5 × 49 =
  35. 35.36 × 99 =
  36. 36.14 × 9 =
  37. 37.31 × 98 =
  38. 38.5 × 9 =
  39. 39.11 × 98 =
  40. 40.15 × 29 =

Answer key

  1. 2352
  2. 261
  3. 490
  4. 174
  5. 441
  6. 406
  7. 145
  8. 2475
  9. 133
  10. 36
  11. 539
  12. 1666
  13. 145
  14. 171
  15. 594
  16. 490
  17. 1568
  18. 63
  19. 135
  20. 294
  21. 319
  22. 3960
  23. 490
  24. 406
  25. 54
  26. 196
  27. 3564
  28. 72
  29. 1188
  30. 294
  31. 99
  32. 3267
  33. 228
  34. 245
  35. 3564
  36. 126
  37. 3038
  38. 45
  39. 1078
  40. 435

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