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
- 1.79 − 37 =
- 2.89 − 77 =
- 3.97 − 59 =
- 4.95 − 15 =
- 5.84 − 19 =
- 6.75 − 55 =
- 7.72 − 12 =
- 8.54 − 21 =
- 9.97 − 34 =
- 10.74 − 41 =
- 11.55 − 45 =
- 12.53 − 35 =
- 13.58 − 14 =
- 14.97 − 12 =
- 15.78 − 64 =
- 16.90 − 58 =
- 17.81 − 12 =
- 18.73 − 21 =
- 19.60 − 34 =
- 20.84 − 55 =
- 21.65 − 19 =
- 22.81 − 33 =
- 23.60 − 27 =
- 24.92 − 74 =
- 25.58 − 37 =
- 26.69 − 27 =
- 27.96 − 29 =
- 28.83 − 41 =
- 29.85 − 15 =
- 30.71 − 39 =
- 31.85 − 14 =
- 32.76 − 46 =
- 33.98 − 67 =
- 34.86 − 74 =
- 35.65 − 17 =
- 36.91 − 71 =
- 37.95 − 23 =
- 38.64 − 44 =
- 39.78 − 14 =
- 40.88 − 35 =
Answer key
- 42
- 12
- 38
- 80
- 65
- 20
- 60
- 33
- 63
- 33
- 10
- 18
- 44
- 85
- 14
- 32
- 69
- 52
- 26
- 29
- 46
- 48
- 33
- 18
- 21
- 42
- 67
- 42
- 70
- 32
- 71
- 30
- 31
- 12
- 48
- 20
- 72
- 20
- 64
- 53
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths