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
- 1.59 − 22 =
- 2.72 − 54 =
- 3.96 − 78 =
- 4.97 − 41 =
- 5.95 − 25 =
- 6.94 − 49 =
- 7.80 − 35 =
- 8.72 − 23 =
- 9.81 − 65 =
- 10.64 − 54 =
- 11.89 − 77 =
- 12.67 − 52 =
- 13.91 − 15 =
- 14.88 − 23 =
- 15.59 − 25 =
- 16.56 − 46 =
- 17.58 − 22 =
- 18.62 − 52 =
- 19.99 − 18 =
- 20.87 − 46 =
- 21.92 − 34 =
- 22.52 − 39 =
- 23.61 − 19 =
- 24.64 − 51 =
- 25.94 − 18 =
- 26.75 − 18 =
- 27.85 − 37 =
- 28.83 − 72 =
- 29.59 − 45 =
- 30.71 − 14 =
- 31.83 − 63 =
- 32.99 − 27 =
- 33.93 − 71 =
- 34.83 − 46 =
- 35.79 − 45 =
- 36.57 − 45 =
- 37.64 − 48 =
- 38.66 − 54 =
- 39.76 − 51 =
- 40.58 − 42 =
Answer key
- 37
- 18
- 18
- 56
- 70
- 45
- 45
- 49
- 16
- 10
- 12
- 15
- 76
- 65
- 34
- 10
- 36
- 10
- 81
- 41
- 58
- 13
- 42
- 13
- 76
- 57
- 48
- 11
- 14
- 57
- 20
- 72
- 22
- 37
- 34
- 12
- 16
- 12
- 25
- 16
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths