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
- 1.93 − 68 =
- 2.80 − 12 =
- 3.95 − 58 =
- 4.79 − 65 =
- 5.94 − 73 =
- 6.73 − 31 =
- 7.73 − 46 =
- 8.85 − 53 =
- 9.70 − 21 =
- 10.87 − 22 =
- 11.95 − 23 =
- 12.73 − 58 =
- 13.88 − 42 =
- 14.59 − 41 =
- 15.61 − 13 =
- 16.71 − 51 =
- 17.73 − 63 =
- 18.77 − 61 =
- 19.74 − 44 =
- 20.76 − 63 =
- 21.93 − 75 =
- 22.95 − 12 =
- 23.67 − 39 =
- 24.84 − 14 =
- 25.62 − 23 =
- 26.93 − 59 =
- 27.81 − 26 =
- 28.61 − 19 =
- 29.95 − 68 =
- 30.55 − 28 =
- 31.95 − 69 =
- 32.75 − 43 =
- 33.98 − 79 =
- 34.78 − 61 =
- 35.58 − 34 =
- 36.98 − 72 =
- 37.82 − 24 =
- 38.76 − 28 =
- 39.57 − 21 =
- 40.57 − 35 =
Answer key
- 25
- 68
- 37
- 14
- 21
- 42
- 27
- 32
- 49
- 65
- 72
- 15
- 46
- 18
- 48
- 20
- 10
- 16
- 30
- 13
- 18
- 83
- 28
- 70
- 39
- 34
- 55
- 42
- 27
- 27
- 26
- 32
- 19
- 17
- 24
- 26
- 58
- 48
- 36
- 22
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths