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 − 32 =
- 2.97 − 71 =
- 3.75 − 46 =
- 4.57 − 45 =
- 5.74 − 15 =
- 6.67 − 18 =
- 7.80 − 25 =
- 8.86 − 51 =
- 9.62 − 24 =
- 10.62 − 37 =
- 11.75 − 17 =
- 12.77 − 62 =
- 13.87 − 41 =
- 14.90 − 38 =
- 15.89 − 36 =
- 16.58 − 31 =
- 17.86 − 45 =
- 18.97 − 65 =
- 19.99 − 15 =
- 20.61 − 48 =
- 21.65 − 26 =
- 22.60 − 17 =
- 23.80 − 16 =
- 24.70 − 52 =
- 25.89 − 41 =
- 26.86 − 56 =
- 27.63 − 21 =
- 28.55 − 18 =
- 29.65 − 49 =
- 30.62 − 44 =
- 31.99 − 41 =
- 32.65 − 33 =
- 33.74 − 63 =
- 34.59 − 39 =
- 35.75 − 45 =
- 36.53 − 18 =
- 37.94 − 81 =
- 38.73 − 34 =
- 39.87 − 66 =
- 40.59 − 21 =
Answer key
- 33
- 26
- 29
- 12
- 59
- 49
- 55
- 35
- 38
- 25
- 58
- 15
- 46
- 52
- 53
- 27
- 41
- 32
- 84
- 13
- 39
- 43
- 64
- 18
- 48
- 30
- 42
- 37
- 16
- 18
- 58
- 32
- 11
- 20
- 30
- 35
- 13
- 39
- 21
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths