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
- 1.90 − 54 =
- 2.82 − 31 =
- 3.59 − 49 =
- 4.81 − 37 =
- 5.81 − 21 =
- 6.73 − 32 =
- 7.52 − 17 =
- 8.52 − 42 =
- 9.98 − 22 =
- 10.84 − 31 =
- 11.57 − 19 =
- 12.65 − 33 =
- 13.57 − 41 =
- 14.64 − 12 =
- 15.63 − 21 =
- 16.76 − 33 =
- 17.78 − 68 =
- 18.55 − 34 =
- 19.58 − 44 =
- 20.53 − 25 =
- 21.91 − 31 =
- 22.92 − 12 =
- 23.81 − 26 =
- 24.76 − 26 =
- 25.99 − 21 =
- 26.93 − 31 =
- 27.58 − 45 =
- 28.70 − 26 =
- 29.56 − 43 =
- 30.87 − 53 =
- 31.76 − 64 =
- 32.60 − 51 =
- 33.56 − 21 =
- 34.61 − 16 =
- 35.76 − 55 =
- 36.57 − 33 =
- 37.85 − 37 =
- 38.86 − 15 =
- 39.81 − 31 =
- 40.56 − 16 =
Answer key
- 36
- 51
- 10
- 44
- 60
- 41
- 35
- 10
- 76
- 53
- 38
- 32
- 16
- 52
- 42
- 43
- 10
- 21
- 14
- 28
- 60
- 80
- 55
- 50
- 78
- 62
- 13
- 44
- 13
- 34
- 12
- 9
- 35
- 45
- 21
- 24
- 48
- 71
- 50
- 40
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths