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
- 1.62 − 23 =
- 2.72 − 31 =
- 3.88 − 59 =
- 4.64 − 29 =
- 5.58 − 42 =
- 6.73 − 62 =
- 7.54 − 29 =
- 8.58 − 12 =
- 9.82 − 22 =
- 10.85 − 21 =
- 11.88 − 21 =
- 12.61 − 51 =
- 13.72 − 13 =
- 14.73 − 41 =
- 15.70 − 55 =
- 16.86 − 42 =
- 17.68 − 24 =
- 18.73 − 61 =
- 19.95 − 41 =
- 20.61 − 13 =
- 21.62 − 21 =
- 22.62 − 12 =
- 23.80 − 36 =
- 24.74 − 51 =
- 25.73 − 34 =
- 26.80 − 27 =
- 27.63 − 14 =
- 28.61 − 17 =
- 29.56 − 25 =
- 30.91 − 37 =
- 31.57 − 22 =
- 32.59 − 43 =
- 33.76 − 56 =
- 34.72 − 35 =
- 35.71 − 14 =
- 36.87 − 61 =
- 37.84 − 28 =
- 38.61 − 41 =
- 39.84 − 34 =
- 40.78 − 32 =
Answer key
- 39
- 41
- 29
- 35
- 16
- 11
- 25
- 46
- 60
- 64
- 67
- 10
- 59
- 32
- 15
- 44
- 44
- 12
- 54
- 48
- 41
- 50
- 44
- 23
- 39
- 53
- 49
- 44
- 31
- 54
- 35
- 16
- 20
- 37
- 57
- 26
- 56
- 20
- 50
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths