Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.81 − 25 =
- 2.55 − 34 =
- 3.84 − 17 =
- 4.64 − 51 =
- 5.53 − 39 =
- 6.85 − 74 =
- 7.89 − 31 =
- 8.57 − 36 =
- 9.53 − 41 =
- 10.92 − 15 =
- 11.67 − 53 =
- 12.84 − 29 =
- 13.87 − 16 =
- 14.85 − 33 =
- 15.90 − 31 =
- 16.52 − 24 =
- 17.64 − 41 =
- 18.86 − 12 =
- 19.99 − 71 =
- 20.64 − 32 =
- 21.63 − 22 =
- 22.80 − 36 =
- 23.87 − 32 =
- 24.68 − 49 =
- 25.57 − 24 =
- 26.65 − 19 =
- 27.90 − 78 =
- 28.56 − 35 =
- 29.82 − 14 =
- 30.90 − 61 =
- 31.52 − 21 =
- 32.60 − 16 =
- 33.77 − 31 =
- 34.83 − 73 =
- 35.89 − 48 =
- 36.58 − 22 =
- 37.93 − 41 =
- 38.88 − 43 =
- 39.83 − 22 =
- 40.70 − 51 =
Answer key
- 56
- 21
- 67
- 13
- 14
- 11
- 58
- 21
- 12
- 77
- 14
- 55
- 71
- 52
- 59
- 28
- 23
- 74
- 28
- 32
- 41
- 44
- 55
- 19
- 33
- 46
- 12
- 21
- 68
- 29
- 31
- 44
- 46
- 10
- 41
- 36
- 52
- 45
- 61
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths