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
- 1.74 − 17 =
- 2.86 − 56 =
- 3.78 − 38 =
- 4.75 − 47 =
- 5.81 − 68 =
- 6.86 − 74 =
- 7.81 − 63 =
- 8.81 − 65 =
- 9.91 − 23 =
- 10.59 − 35 =
- 11.72 − 37 =
- 12.65 − 49 =
- 13.75 − 13 =
- 14.58 − 21 =
- 15.97 − 23 =
- 16.85 − 21 =
- 17.62 − 23 =
- 18.57 − 36 =
- 19.79 − 31 =
- 20.75 − 21 =
- 21.76 − 14 =
- 22.65 − 19 =
- 23.63 − 25 =
- 24.81 − 62 =
- 25.66 − 51 =
- 26.84 − 54 =
- 27.63 − 46 =
- 28.63 − 15 =
- 29.74 − 23 =
- 30.55 − 41 =
- 31.57 − 12 =
- 32.76 − 54 =
- 33.98 − 48 =
- 34.56 − 36 =
- 35.86 − 54 =
- 36.57 − 15 =
- 37.56 − 41 =
- 38.58 − 43 =
- 39.93 − 68 =
- 40.63 − 13 =
Answer key
- 57
- 30
- 40
- 28
- 13
- 12
- 18
- 16
- 68
- 24
- 35
- 16
- 62
- 37
- 74
- 64
- 39
- 21
- 48
- 54
- 62
- 46
- 38
- 19
- 15
- 30
- 17
- 48
- 51
- 14
- 45
- 22
- 50
- 20
- 32
- 42
- 15
- 15
- 25
- 50
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths