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
- 1.70 − 51 =
- 2.59 − 32 =
- 3.75 − 44 =
- 4.63 − 34 =
- 5.69 − 52 =
- 6.96 − 42 =
- 7.75 − 53 =
- 8.70 − 54 =
- 9.82 − 18 =
- 10.63 − 41 =
- 11.74 − 51 =
- 12.59 − 42 =
- 13.97 − 29 =
- 14.61 − 22 =
- 15.53 − 18 =
- 16.71 − 18 =
- 17.55 − 44 =
- 18.69 − 31 =
- 19.54 − 21 =
- 20.86 − 26 =
- 21.67 − 28 =
- 22.77 − 13 =
- 23.63 − 53 =
- 24.70 − 58 =
- 25.70 − 24 =
- 26.92 − 33 =
- 27.74 − 53 =
- 28.54 − 43 =
- 29.54 − 39 =
- 30.85 − 12 =
- 31.56 − 32 =
- 32.59 − 33 =
- 33.78 − 62 =
- 34.57 − 18 =
- 35.59 − 22 =
- 36.99 − 72 =
- 37.88 − 44 =
- 38.96 − 31 =
- 39.94 − 46 =
- 40.64 − 18 =
Answer key
- 19
- 27
- 31
- 29
- 17
- 54
- 22
- 16
- 64
- 22
- 23
- 17
- 68
- 39
- 35
- 53
- 11
- 38
- 33
- 60
- 39
- 64
- 10
- 12
- 46
- 59
- 21
- 11
- 15
- 73
- 24
- 26
- 16
- 39
- 37
- 27
- 44
- 65
- 48
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths