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 − 37 =
- 2.78 − 51 =
- 3.53 − 15 =
- 4.83 − 13 =
- 5.94 − 79 =
- 6.83 − 52 =
- 7.70 − 22 =
- 8.66 − 26 =
- 9.66 − 23 =
- 10.53 − 29 =
- 11.58 − 32 =
- 12.59 − 23 =
- 13.63 − 31 =
- 14.83 − 53 =
- 15.92 − 68 =
- 16.59 − 36 =
- 17.91 − 64 =
- 18.76 − 38 =
- 19.72 − 18 =
- 20.84 − 41 =
- 21.73 − 58 =
- 22.61 − 18 =
- 23.64 − 51 =
- 24.99 − 79 =
- 25.70 − 44 =
- 26.82 − 55 =
- 27.60 − 13 =
- 28.89 − 23 =
- 29.59 − 21 =
- 30.87 − 23 =
- 31.69 − 56 =
- 32.71 − 54 =
- 33.53 − 33 =
- 34.73 − 63 =
- 35.53 − 26 =
- 36.86 − 31 =
- 37.73 − 37 =
- 38.92 − 61 =
- 39.95 − 61 =
- 40.69 − 58 =
Answer key
- 33
- 27
- 38
- 70
- 15
- 31
- 48
- 40
- 43
- 24
- 26
- 36
- 32
- 30
- 24
- 23
- 27
- 38
- 54
- 43
- 15
- 43
- 13
- 20
- 26
- 27
- 47
- 66
- 38
- 64
- 13
- 17
- 20
- 10
- 27
- 55
- 36
- 31
- 34
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths