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 − 18 =
- 2.63 − 21 =
- 3.62 − 44 =
- 4.64 − 31 =
- 5.74 − 38 =
- 6.66 − 27 =
- 7.79 − 22 =
- 8.63 − 39 =
- 9.94 − 35 =
- 10.64 − 32 =
- 11.76 − 63 =
- 12.61 − 31 =
- 13.81 − 67 =
- 14.88 − 45 =
- 15.52 − 19 =
- 16.53 − 15 =
- 17.85 − 27 =
- 18.68 − 56 =
- 19.53 − 21 =
- 20.70 − 31 =
- 21.84 − 25 =
- 22.71 − 15 =
- 23.72 − 37 =
- 24.68 − 53 =
- 25.92 − 51 =
- 26.60 − 25 =
- 27.89 − 25 =
- 28.90 − 45 =
- 29.60 − 45 =
- 30.66 − 41 =
- 31.75 − 55 =
- 32.88 − 59 =
- 33.75 − 25 =
- 34.92 − 76 =
- 35.55 − 27 =
- 36.71 − 16 =
- 37.55 − 24 =
- 38.83 − 37 =
- 39.64 − 18 =
- 40.53 − 12 =
Answer key
- 61
- 42
- 18
- 33
- 36
- 39
- 57
- 24
- 59
- 32
- 13
- 30
- 14
- 43
- 33
- 38
- 58
- 12
- 32
- 39
- 59
- 56
- 35
- 15
- 41
- 35
- 64
- 45
- 15
- 25
- 20
- 29
- 50
- 16
- 28
- 55
- 31
- 46
- 46
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths