← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 813 · 40 questions
TalentJR

The fast method (Keep a running total): Start with the first number. Add the tens of the next number, then its ones. Keep going until the list ends — only one total in your head at a time.

NameDateTime takenScore ___ / 40
  1. 1.69 + 75 + 59 + 13 =
  2. 2.65 + 37 + 50 + 32 =
  3. 3.53 + 12 + 36 + 30 =
  4. 4.28 + 87 + 79 + 57 =
  5. 5.73 + 25 + 11 + 32 =
  6. 6.88 + 87 + 70 + 39 =
  7. 7.43 + 51 + 70 + 68 =
  8. 8.40 + 66 + 15 + 80 =
  9. 9.43 + 72 + 81 + 37 =
  10. 10.70 + 49 + 56 + 17 =
  11. 11.30 + 17 + 64 + 25 =
  12. 12.79 + 78 + 28 + 55 =
  13. 13.75 + 16 + 11 + 72 =
  14. 14.22 + 32 + 76 + 29 =
  15. 15.12 + 24 + 24 + 22 =
  16. 16.80 + 21 + 15 + 65 =
  17. 17.89 + 71 + 48 + 36 =
  18. 18.27 + 43 + 72 + 80 =
  19. 19.73 + 19 + 85 + 21 =
  20. 20.44 + 81 + 26 + 45 =
  21. 21.26 + 76 + 36 + 58 =
  22. 22.84 + 29 + 53 + 36 =
  23. 23.53 + 14 + 53 + 19 =
  24. 24.65 + 40 + 33 + 11 =
  25. 25.72 + 80 + 11 + 65 =
  26. 26.78 + 87 + 45 + 67 =
  27. 27.47 + 16 + 32 + 25 =
  28. 28.59 + 69 + 85 + 40 =
  29. 29.19 + 76 + 32 + 63 =
  30. 30.23 + 14 + 69 + 18 =
  31. 31.45 + 46 + 30 + 82 =
  32. 32.76 + 71 + 61 + 27 =
  33. 33.30 + 16 + 79 + 69 =
  34. 34.17 + 68 + 76 + 20 =
  35. 35.11 + 51 + 22 + 31 =
  36. 36.30 + 35 + 86 + 25 =
  37. 37.86 + 30 + 32 + 31 =
  38. 38.20 + 69 + 59 + 28 =
  39. 39.58 + 89 + 36 + 73 =
  40. 40.34 + 26 + 29 + 24 =

Answer key

  1. 216
  2. 184
  3. 131
  4. 251
  5. 141
  6. 284
  7. 232
  8. 201
  9. 233
  10. 192
  11. 136
  12. 240
  13. 174
  14. 159
  15. 82
  16. 181
  17. 244
  18. 222
  19. 198
  20. 196
  21. 196
  22. 202
  23. 139
  24. 149
  25. 228
  26. 277
  27. 120
  28. 253
  29. 190
  30. 124
  31. 203
  32. 235
  33. 194
  34. 181
  35. 115
  36. 176
  37. 179
  38. 176
  39. 256
  40. 113

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths