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
- 1.65 − 25 =
- 2.68 − 41 =
- 3.79 − 56 =
- 4.66 − 28 =
- 5.70 − 34 =
- 6.96 − 51 =
- 7.91 − 19 =
- 8.85 − 62 =
- 9.53 − 21 =
- 10.60 − 49 =
- 11.93 − 31 =
- 12.78 − 16 =
- 13.90 − 41 =
- 14.61 − 35 =
- 15.98 − 17 =
- 16.72 − 12 =
- 17.71 − 23 =
- 18.69 − 13 =
- 19.90 − 15 =
- 20.64 − 24 =
- 21.73 − 61 =
- 22.61 − 12 =
- 23.75 − 26 =
- 24.91 − 13 =
- 25.65 − 21 =
- 26.90 − 72 =
- 27.81 − 15 =
- 28.54 − 42 =
- 29.96 − 37 =
- 30.98 − 16 =
- 31.82 − 48 =
- 32.65 − 26 =
- 33.92 − 78 =
- 34.80 − 28 =
- 35.95 − 26 =
- 36.57 − 46 =
- 37.58 − 21 =
- 38.55 − 43 =
- 39.81 − 45 =
- 40.76 − 48 =
Answer key
- 40
- 27
- 23
- 38
- 36
- 45
- 72
- 23
- 32
- 11
- 62
- 62
- 49
- 26
- 81
- 60
- 48
- 56
- 75
- 40
- 12
- 49
- 49
- 78
- 44
- 18
- 66
- 12
- 59
- 82
- 34
- 39
- 14
- 52
- 69
- 11
- 37
- 12
- 36
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths