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
- 1.61 − 24 =
- 2.81 − 66 =
- 3.53 − 16 =
- 4.55 − 13 =
- 5.75 − 64 =
- 6.67 − 56 =
- 7.71 − 55 =
- 8.84 − 16 =
- 9.79 − 21 =
- 10.59 − 23 =
- 11.86 − 43 =
- 12.65 − 13 =
- 13.81 − 62 =
- 14.52 − 21 =
- 15.77 − 16 =
- 16.59 − 28 =
- 17.84 − 64 =
- 18.66 − 44 =
- 19.58 − 39 =
- 20.85 − 51 =
- 21.71 − 48 =
- 22.99 − 51 =
- 23.96 − 35 =
- 24.85 − 62 =
- 25.66 − 47 =
- 26.83 − 62 =
- 27.67 − 19 =
- 28.64 − 54 =
- 29.55 − 19 =
- 30.84 − 28 =
- 31.79 − 53 =
- 32.77 − 64 =
- 33.89 − 71 =
- 34.79 − 45 =
- 35.69 − 35 =
- 36.66 − 29 =
- 37.60 − 15 =
- 38.65 − 33 =
- 39.73 − 33 =
- 40.57 − 31 =
Answer key
- 37
- 15
- 37
- 42
- 11
- 11
- 16
- 68
- 58
- 36
- 43
- 52
- 19
- 31
- 61
- 31
- 20
- 22
- 19
- 34
- 23
- 48
- 61
- 23
- 19
- 21
- 48
- 10
- 36
- 56
- 26
- 13
- 18
- 34
- 34
- 37
- 45
- 32
- 40
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths