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
- 1.66 − 48 =
- 2.71 − 48 =
- 3.56 − 31 =
- 4.54 − 31 =
- 5.60 − 47 =
- 6.69 − 29 =
- 7.62 − 38 =
- 8.72 − 39 =
- 9.53 − 38 =
- 10.84 − 41 =
- 11.65 − 31 =
- 12.96 − 65 =
- 13.84 − 36 =
- 14.61 − 15 =
- 15.78 − 64 =
- 16.72 − 35 =
- 17.76 − 56 =
- 18.54 − 41 =
- 19.57 − 43 =
- 20.57 − 24 =
- 21.80 − 12 =
- 22.72 − 42 =
- 23.99 − 32 =
- 24.75 − 64 =
- 25.98 − 81 =
- 26.53 − 15 =
- 27.67 − 51 =
- 28.73 − 46 =
- 29.70 − 24 =
- 30.58 − 43 =
- 31.93 − 42 =
- 32.57 − 29 =
- 33.62 − 19 =
- 34.54 − 19 =
- 35.74 − 36 =
- 36.52 − 13 =
- 37.54 − 28 =
- 38.83 − 65 =
- 39.90 − 17 =
- 40.93 − 36 =
Answer key
- 18
- 23
- 25
- 23
- 13
- 40
- 24
- 33
- 15
- 43
- 34
- 31
- 48
- 46
- 14
- 37
- 20
- 13
- 14
- 33
- 68
- 30
- 67
- 11
- 17
- 38
- 16
- 27
- 46
- 15
- 51
- 28
- 43
- 35
- 38
- 39
- 26
- 18
- 73
- 57
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths