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
- 1.57 − 45 =
- 2.83 − 21 =
- 3.56 − 17 =
- 4.62 − 46 =
- 5.85 − 46 =
- 6.71 − 52 =
- 7.98 − 83 =
- 8.56 − 36 =
- 9.95 − 39 =
- 10.75 − 38 =
- 11.90 − 79 =
- 12.72 − 44 =
- 13.55 − 17 =
- 14.65 − 52 =
- 15.70 − 19 =
- 16.96 − 74 =
- 17.74 − 35 =
- 18.68 − 32 =
- 19.98 − 51 =
- 20.80 − 31 =
- 21.79 − 63 =
- 22.91 − 31 =
- 23.53 − 21 =
- 24.56 − 18 =
- 25.68 − 29 =
- 26.69 − 45 =
- 27.54 − 41 =
- 28.77 − 64 =
- 29.59 − 29 =
- 30.71 − 51 =
- 31.59 − 22 =
- 32.69 − 55 =
- 33.63 − 28 =
- 34.81 − 69 =
- 35.66 − 56 =
- 36.62 − 43 =
- 37.62 − 13 =
- 38.64 − 48 =
- 39.67 − 43 =
- 40.85 − 13 =
Answer key
- 12
- 62
- 39
- 16
- 39
- 19
- 15
- 20
- 56
- 37
- 11
- 28
- 38
- 13
- 51
- 22
- 39
- 36
- 47
- 49
- 16
- 60
- 32
- 38
- 39
- 24
- 13
- 13
- 30
- 20
- 37
- 14
- 35
- 12
- 10
- 19
- 49
- 16
- 24
- 72
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths