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
- 1.76 − 33 =
- 2.91 − 31 =
- 3.81 − 57 =
- 4.91 − 78 =
- 5.81 − 59 =
- 6.78 − 23 =
- 7.84 − 33 =
- 8.89 − 55 =
- 9.78 − 62 =
- 10.75 − 62 =
- 11.77 − 21 =
- 12.53 − 41 =
- 13.81 − 17 =
- 14.60 − 32 =
- 15.88 − 63 =
- 16.83 − 17 =
- 17.62 − 44 =
- 18.70 − 36 =
- 19.65 − 46 =
- 20.74 − 14 =
- 21.74 − 61 =
- 22.74 − 49 =
- 23.70 − 31 =
- 24.92 − 26 =
- 25.88 − 45 =
- 26.97 − 67 =
- 27.94 − 72 =
- 28.97 − 85 =
- 29.55 − 44 =
- 30.57 − 18 =
- 31.63 − 34 =
- 32.70 − 38 =
- 33.88 − 13 =
- 34.97 − 81 =
- 35.93 − 73 =
- 36.70 − 52 =
- 37.55 − 26 =
- 38.80 − 13 =
- 39.92 − 12 =
- 40.78 − 26 =
Answer key
- 43
- 60
- 24
- 13
- 22
- 55
- 51
- 34
- 16
- 13
- 56
- 12
- 64
- 28
- 25
- 66
- 18
- 34
- 19
- 60
- 13
- 25
- 39
- 66
- 43
- 30
- 22
- 12
- 11
- 39
- 29
- 32
- 75
- 16
- 20
- 18
- 29
- 67
- 80
- 52
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths