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
- 1.76 − 25 =
- 2.59 − 26 =
- 3.63 − 29 =
- 4.81 − 28 =
- 5.68 − 19 =
- 6.84 − 32 =
- 7.60 − 45 =
- 8.81 − 58 =
- 9.86 − 57 =
- 10.90 − 72 =
- 11.53 − 21 =
- 12.80 − 15 =
- 13.85 − 62 =
- 14.83 − 38 =
- 15.54 − 13 =
- 16.84 − 31 =
- 17.65 − 36 =
- 18.66 − 38 =
- 19.81 − 31 =
- 20.84 − 36 =
- 21.98 − 71 =
- 22.93 − 41 =
- 23.96 − 61 =
- 24.84 − 17 =
- 25.85 − 75 =
- 26.87 − 56 =
- 27.86 − 56 =
- 28.81 − 42 =
- 29.58 − 35 =
- 30.73 − 63 =
- 31.77 − 31 =
- 32.95 − 61 =
- 33.64 − 39 =
- 34.80 − 31 =
- 35.90 − 61 =
- 36.77 − 34 =
- 37.99 − 43 =
- 38.86 − 75 =
- 39.59 − 23 =
- 40.83 − 27 =
Answer key
- 51
- 33
- 34
- 53
- 49
- 52
- 15
- 23
- 29
- 18
- 32
- 65
- 23
- 45
- 41
- 53
- 29
- 28
- 50
- 48
- 27
- 52
- 35
- 67
- 10
- 31
- 30
- 39
- 23
- 10
- 46
- 34
- 25
- 49
- 29
- 43
- 56
- 11
- 36
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths