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
- 1.75 − 51 =
- 2.97 − 87 =
- 3.93 − 72 =
- 4.93 − 81 =
- 5.72 − 15 =
- 6.95 − 23 =
- 7.94 − 81 =
- 8.92 − 66 =
- 9.86 − 12 =
- 10.78 − 33 =
- 11.76 − 66 =
- 12.93 − 21 =
- 13.95 − 49 =
- 14.84 − 52 =
- 15.88 − 29 =
- 16.70 − 54 =
- 17.78 − 51 =
- 18.81 − 21 =
- 19.93 − 61 =
- 20.87 − 51 =
- 21.80 − 12 =
- 22.53 − 16 =
- 23.98 − 34 =
- 24.81 − 35 =
- 25.79 − 28 =
- 26.54 − 17 =
- 27.70 − 26 =
- 28.58 − 13 =
- 29.54 − 21 =
- 30.68 − 58 =
- 31.89 − 59 =
- 32.98 − 37 =
- 33.87 − 54 =
- 34.85 − 36 =
- 35.72 − 61 =
- 36.92 − 31 =
- 37.69 − 59 =
- 38.74 − 23 =
- 39.61 − 31 =
- 40.75 − 21 =
Answer key
- 24
- 10
- 21
- 12
- 57
- 72
- 13
- 26
- 74
- 45
- 10
- 72
- 46
- 32
- 59
- 16
- 27
- 60
- 32
- 36
- 68
- 37
- 64
- 46
- 51
- 37
- 44
- 45
- 33
- 10
- 30
- 61
- 33
- 49
- 11
- 61
- 10
- 51
- 30
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths