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
- 1.58 − 21 =
- 2.83 − 51 =
- 3.55 − 29 =
- 4.87 − 22 =
- 5.57 − 43 =
- 6.61 − 47 =
- 7.69 − 47 =
- 8.57 − 32 =
- 9.86 − 29 =
- 10.76 − 35 =
- 11.90 − 41 =
- 12.97 − 44 =
- 13.94 − 48 =
- 14.95 − 58 =
- 15.59 − 39 =
- 16.52 − 42 =
- 17.80 − 47 =
- 18.57 − 13 =
- 19.91 − 13 =
- 20.58 − 38 =
- 21.95 − 41 =
- 22.98 − 22 =
- 23.66 − 55 =
- 24.54 − 26 =
- 25.95 − 18 =
- 26.78 − 53 =
- 27.91 − 18 =
- 28.89 − 44 =
- 29.53 − 32 =
- 30.78 − 26 =
- 31.64 − 38 =
- 32.95 − 31 =
- 33.80 − 69 =
- 34.76 − 43 =
- 35.52 − 17 =
- 36.64 − 43 =
- 37.90 − 21 =
- 38.72 − 61 =
- 39.59 − 12 =
- 40.65 − 23 =
Answer key
- 37
- 32
- 26
- 65
- 14
- 14
- 22
- 25
- 57
- 41
- 49
- 53
- 46
- 37
- 20
- 10
- 33
- 44
- 78
- 20
- 54
- 76
- 11
- 28
- 77
- 25
- 73
- 45
- 21
- 52
- 26
- 64
- 11
- 33
- 35
- 21
- 69
- 11
- 47
- 42
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths