Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 46 · 40 questions

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.

1. 1.15 + 43 + 35 + 89 =
2. 2.37 + 41 + 43 + 27 =
3. 3.38 + 72 + 27 + 51 =
4. 4.26 + 43 + 82 + 38 =
5. 5.26 + 35 + 27 + 37 =
6. 6.83 + 41 + 65 + 88 =
7. 7.58 + 68 + 37 + 35 =
8. 8.29 + 60 + 65 + 28 =
9. 9.75 + 82 + 30 + 41 =
10. 10.77 + 56 + 61 + 20 =
11. 11.68 + 58 + 76 + 88 =
12. 12.67 + 54 + 40 + 64 =
13. 13.74 + 89 + 20 + 48 =
14. 14.57 + 55 + 56 + 24 =
15. 15.22 + 87 + 73 + 12 =
16. 16.24 + 19 + 39 + 41 =
17. 17.18 + 30 + 85 + 34 =
18. 18.86 + 33 + 55 + 17 =
19. 19.62 + 14 + 36 + 41 =
20. 20.64 + 17 + 80 + 85 =
21. 21.43 + 81 + 73 + 55 =
22. 22.86 + 23 + 71 + 81 =
23. 23.65 + 87 + 31 + 12 =
24. 24.85 + 49 + 81 + 60 =
25. 25.26 + 29 + 44 + 85 =
26. 26.54 + 42 + 34 + 69 =
27. 27.46 + 40 + 27 + 83 =
28. 28.46 + 26 + 29 + 17 =
29. 29.16 + 85 + 27 + 79 =
30. 30.59 + 11 + 37 + 65 =
31. 31.57 + 35 + 58 + 12 =
32. 32.64 + 61 + 29 + 66 =
33. 33.34 + 80 + 11 + 33 =
34. 34.11 + 29 + 32 + 41 =
35. 35.38 + 62 + 25 + 73 =
36. 36.48 + 87 + 81 + 26 =
37. 37.16 + 11 + 78 + 37 =
38. 38.60 + 42 + 56 + 58 =
39. 39.44 + 24 + 63 + 46 =
40. 40.42 + 77 + 13 + 20 =

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