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
- 1.86 − 59 =
- 2.70 − 15 =
- 3.85 − 64 =
- 4.96 − 82 =
- 5.64 − 33 =
- 6.73 − 21 =
- 7.60 − 34 =
- 8.52 − 24 =
- 9.82 − 37 =
- 10.72 − 39 =
- 11.76 − 65 =
- 12.99 − 57 =
- 13.53 − 37 =
- 14.74 − 49 =
- 15.55 − 36 =
- 16.88 − 15 =
- 17.64 − 19 =
- 18.82 − 71 =
- 19.76 − 14 =
- 20.69 − 39 =
- 21.57 − 16 =
- 22.58 − 48 =
- 23.65 − 52 =
- 24.62 − 29 =
- 25.87 − 67 =
- 26.69 − 37 =
- 27.81 − 21 =
- 28.74 − 22 =
- 29.71 − 56 =
- 30.60 − 43 =
- 31.54 − 26 =
- 32.54 − 23 =
- 33.68 − 41 =
- 34.83 − 47 =
- 35.65 − 23 =
- 36.83 − 27 =
- 37.74 − 34 =
- 38.65 − 22 =
- 39.81 − 28 =
- 40.71 − 18 =
Answer key
- 27
- 55
- 21
- 14
- 31
- 52
- 26
- 28
- 45
- 33
- 11
- 42
- 16
- 25
- 19
- 73
- 45
- 11
- 62
- 30
- 41
- 10
- 13
- 33
- 20
- 32
- 60
- 52
- 15
- 17
- 28
- 31
- 27
- 36
- 42
- 56
- 40
- 43
- 53
- 53
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths