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
- 1.55 − 24 =
- 2.87 − 31 =
- 3.94 − 78 =
- 4.76 − 64 =
- 5.79 − 31 =
- 6.90 − 19 =
- 7.62 − 38 =
- 8.74 − 16 =
- 9.66 − 49 =
- 10.97 − 21 =
- 11.67 − 23 =
- 12.60 − 19 =
- 13.63 − 17 =
- 14.92 − 71 =
- 15.72 − 58 =
- 16.60 − 31 =
- 17.63 − 52 =
- 18.70 − 13 =
- 19.93 − 71 =
- 20.92 − 74 =
- 21.85 − 47 =
- 22.93 − 76 =
- 23.78 − 26 =
- 24.77 − 25 =
- 25.63 − 42 =
- 26.65 − 34 =
- 27.57 − 19 =
- 28.70 − 34 =
- 29.75 − 53 =
- 30.96 − 19 =
- 31.71 − 48 =
- 32.56 − 46 =
- 33.88 − 58 =
- 34.89 − 71 =
- 35.88 − 26 =
- 36.79 − 55 =
- 37.86 − 71 =
- 38.84 − 53 =
- 39.60 − 28 =
- 40.65 − 48 =
Answer key
- 31
- 56
- 16
- 12
- 48
- 71
- 24
- 58
- 17
- 76
- 44
- 41
- 46
- 21
- 14
- 29
- 11
- 57
- 22
- 18
- 38
- 17
- 52
- 52
- 21
- 31
- 38
- 36
- 22
- 77
- 23
- 10
- 30
- 18
- 62
- 24
- 15
- 31
- 32
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths