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
- 1.71 − 48 =
- 2.73 − 61 =
- 3.53 − 24 =
- 4.53 − 12 =
- 5.72 − 54 =
- 6.70 − 31 =
- 7.80 − 45 =
- 8.63 − 44 =
- 9.65 − 16 =
- 10.86 − 45 =
- 11.71 − 17 =
- 12.53 − 13 =
- 13.54 − 15 =
- 14.86 − 41 =
- 15.64 − 26 =
- 16.68 − 27 =
- 17.74 − 23 =
- 18.65 − 23 =
- 19.86 − 47 =
- 20.65 − 26 =
- 21.86 − 51 =
- 22.61 − 36 =
- 23.70 − 32 =
- 24.69 − 48 =
- 25.99 − 81 =
- 26.53 − 41 =
- 27.82 − 58 =
- 28.59 − 27 =
- 29.62 − 51 =
- 30.52 − 37 =
- 31.66 − 21 =
- 32.93 − 35 =
- 33.96 − 81 =
- 34.84 − 74 =
- 35.61 − 15 =
- 36.81 − 56 =
- 37.79 − 43 =
- 38.93 − 81 =
- 39.90 − 17 =
- 40.81 − 66 =
Answer key
- 23
- 12
- 29
- 41
- 18
- 39
- 35
- 19
- 49
- 41
- 54
- 40
- 39
- 45
- 38
- 41
- 51
- 42
- 39
- 39
- 35
- 25
- 38
- 21
- 18
- 12
- 24
- 32
- 11
- 15
- 45
- 58
- 15
- 10
- 46
- 25
- 36
- 12
- 73
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths