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
- 1.65 − 31 =
- 2.92 − 29 =
- 3.71 − 19 =
- 4.98 − 13 =
- 5.74 − 13 =
- 6.62 − 41 =
- 7.78 − 38 =
- 8.70 − 37 =
- 9.67 − 48 =
- 10.71 − 37 =
- 11.87 − 47 =
- 12.84 − 71 =
- 13.86 − 65 =
- 14.83 − 28 =
- 15.61 − 51 =
- 16.55 − 16 =
- 17.72 − 59 =
- 18.78 − 53 =
- 19.53 − 15 =
- 20.89 − 56 =
- 21.67 − 44 =
- 22.94 − 54 =
- 23.61 − 34 =
- 24.70 − 32 =
- 25.59 − 35 =
- 26.87 − 61 =
- 27.65 − 37 =
- 28.98 − 17 =
- 29.53 − 43 =
- 30.55 − 42 =
- 31.69 − 12 =
- 32.90 − 28 =
- 33.58 − 26 =
- 34.78 − 42 =
- 35.56 − 29 =
- 36.73 − 15 =
- 37.58 − 31 =
- 38.76 − 23 =
- 39.84 − 34 =
- 40.82 − 51 =
Answer key
- 34
- 63
- 52
- 85
- 61
- 21
- 40
- 33
- 19
- 34
- 40
- 13
- 21
- 55
- 10
- 39
- 13
- 25
- 38
- 33
- 23
- 40
- 27
- 38
- 24
- 26
- 28
- 81
- 10
- 13
- 57
- 62
- 32
- 36
- 27
- 58
- 27
- 53
- 50
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths