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
- 1.60 − 33 =
- 2.56 − 33 =
- 3.59 − 48 =
- 4.74 − 27 =
- 5.91 − 73 =
- 6.89 − 73 =
- 7.54 − 29 =
- 8.86 − 21 =
- 9.83 − 26 =
- 10.97 − 35 =
- 11.57 − 21 =
- 12.56 − 46 =
- 13.98 − 55 =
- 14.79 − 51 =
- 15.90 − 28 =
- 16.87 − 13 =
- 17.59 − 44 =
- 18.69 − 17 =
- 19.71 − 59 =
- 20.75 − 12 =
- 21.65 − 41 =
- 22.95 − 77 =
- 23.74 − 21 =
- 24.68 − 24 =
- 25.82 − 14 =
- 26.88 − 34 =
- 27.88 − 78 =
- 28.84 − 21 =
- 29.98 − 15 =
- 30.75 − 42 =
- 31.76 − 12 =
- 32.72 − 52 =
- 33.63 − 51 =
- 34.85 − 61 =
- 35.94 − 16 =
- 36.91 − 37 =
- 37.78 − 22 =
- 38.52 − 23 =
- 39.75 − 13 =
- 40.84 − 41 =
Answer key
- 27
- 23
- 11
- 47
- 18
- 16
- 25
- 65
- 57
- 62
- 36
- 10
- 43
- 28
- 62
- 74
- 15
- 52
- 12
- 63
- 24
- 18
- 53
- 44
- 68
- 54
- 10
- 63
- 83
- 33
- 64
- 20
- 12
- 24
- 78
- 54
- 56
- 29
- 62
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths