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
- 1.54 − 24 =
- 2.96 − 74 =
- 3.81 − 63 =
- 4.72 − 38 =
- 5.67 − 25 =
- 6.60 − 47 =
- 7.96 − 46 =
- 8.88 − 34 =
- 9.69 − 28 =
- 10.97 − 74 =
- 11.78 − 43 =
- 12.92 − 64 =
- 13.85 − 12 =
- 14.52 − 36 =
- 15.60 − 28 =
- 16.99 − 12 =
- 17.58 − 21 =
- 18.85 − 34 =
- 19.65 − 48 =
- 20.63 − 15 =
- 21.90 − 26 =
- 22.75 − 41 =
- 23.74 − 25 =
- 24.73 − 54 =
- 25.84 − 44 =
- 26.94 − 45 =
- 27.89 − 18 =
- 28.81 − 19 =
- 29.65 − 24 =
- 30.89 − 51 =
- 31.78 − 51 =
- 32.89 − 35 =
- 33.99 − 48 =
- 34.67 − 27 =
- 35.66 − 45 =
- 36.86 − 57 =
- 37.73 − 63 =
- 38.82 − 69 =
- 39.53 − 18 =
- 40.78 − 52 =
Answer key
- 30
- 22
- 18
- 34
- 42
- 13
- 50
- 54
- 41
- 23
- 35
- 28
- 73
- 16
- 32
- 87
- 37
- 51
- 17
- 48
- 64
- 34
- 49
- 19
- 40
- 49
- 71
- 62
- 41
- 38
- 27
- 54
- 51
- 40
- 21
- 29
- 10
- 13
- 35
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths