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
- 1.57 − 37 =
- 2.92 − 26 =
- 3.60 − 39 =
- 4.56 − 31 =
- 5.78 − 12 =
- 6.55 − 32 =
- 7.79 − 17 =
- 8.75 − 47 =
- 9.71 − 33 =
- 10.93 − 56 =
- 11.76 − 33 =
- 12.72 − 41 =
- 13.52 − 36 =
- 14.78 − 48 =
- 15.66 − 27 =
- 16.94 − 22 =
- 17.61 − 16 =
- 18.99 − 38 =
- 19.76 − 65 =
- 20.74 − 37 =
- 21.53 − 31 =
- 22.60 − 21 =
- 23.93 − 24 =
- 24.81 − 16 =
- 25.72 − 33 =
- 26.61 − 13 =
- 27.99 − 42 =
- 28.66 − 12 =
- 29.80 − 32 =
- 30.86 − 35 =
- 31.89 − 77 =
- 32.87 − 47 =
- 33.87 − 54 =
- 34.85 − 22 =
- 35.58 − 25 =
- 36.77 − 24 =
- 37.84 − 22 =
- 38.95 − 28 =
- 39.89 − 71 =
- 40.96 − 25 =
Answer key
- 20
- 66
- 21
- 25
- 66
- 23
- 62
- 28
- 38
- 37
- 43
- 31
- 16
- 30
- 39
- 72
- 45
- 61
- 11
- 37
- 22
- 39
- 69
- 65
- 39
- 48
- 57
- 54
- 48
- 51
- 12
- 40
- 33
- 63
- 33
- 53
- 62
- 67
- 18
- 71
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths