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
- 1.60 − 31 =
- 2.67 − 52 =
- 3.78 − 68 =
- 4.90 − 38 =
- 5.72 − 49 =
- 6.67 − 42 =
- 7.95 − 21 =
- 8.84 − 24 =
- 9.68 − 52 =
- 10.77 − 25 =
- 11.70 − 38 =
- 12.59 − 41 =
- 13.81 − 29 =
- 14.68 − 16 =
- 15.58 − 29 =
- 16.68 − 31 =
- 17.54 − 16 =
- 18.85 − 54 =
- 19.90 − 36 =
- 20.61 − 36 =
- 21.97 − 19 =
- 22.78 − 18 =
- 23.98 − 14 =
- 24.92 − 43 =
- 25.56 − 32 =
- 26.81 − 38 =
- 27.88 − 48 =
- 28.58 − 23 =
- 29.96 − 54 =
- 30.63 − 52 =
- 31.78 − 19 =
- 32.57 − 32 =
- 33.56 − 45 =
- 34.93 − 61 =
- 35.80 − 59 =
- 36.62 − 26 =
- 37.80 − 42 =
- 38.74 − 53 =
- 39.86 − 55 =
- 40.64 − 45 =
Answer key
- 29
- 15
- 10
- 52
- 23
- 25
- 74
- 60
- 16
- 52
- 32
- 18
- 52
- 52
- 29
- 37
- 38
- 31
- 54
- 25
- 78
- 60
- 84
- 49
- 24
- 43
- 40
- 35
- 42
- 11
- 59
- 25
- 11
- 32
- 21
- 36
- 38
- 21
- 31
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths