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
- 1.56 − 31 =
- 2.54 − 34 =
- 3.91 − 63 =
- 4.82 − 34 =
- 5.90 − 41 =
- 6.99 − 28 =
- 7.53 − 26 =
- 8.68 − 38 =
- 9.73 − 41 =
- 10.59 − 12 =
- 11.78 − 57 =
- 12.82 − 19 =
- 13.68 − 35 =
- 14.75 − 14 =
- 15.83 − 14 =
- 16.71 − 55 =
- 17.57 − 33 =
- 18.79 − 21 =
- 19.58 − 42 =
- 20.56 − 29 =
- 21.55 − 45 =
- 22.60 − 51 =
- 23.52 − 21 =
- 24.85 − 21 =
- 25.94 − 66 =
- 26.98 − 41 =
- 27.79 − 25 =
- 28.81 − 47 =
- 29.56 − 35 =
- 30.89 − 63 =
- 31.77 − 27 =
- 32.64 − 32 =
- 33.68 − 46 =
- 34.61 − 15 =
- 35.74 − 12 =
- 36.89 − 42 =
- 37.59 − 31 =
- 38.93 − 55 =
- 39.61 − 32 =
- 40.62 − 27 =
Answer key
- 25
- 20
- 28
- 48
- 49
- 71
- 27
- 30
- 32
- 47
- 21
- 63
- 33
- 61
- 69
- 16
- 24
- 58
- 16
- 27
- 10
- 9
- 31
- 64
- 28
- 57
- 54
- 34
- 21
- 26
- 50
- 32
- 22
- 46
- 62
- 47
- 28
- 38
- 29
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths