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
- 1.53 − 15 =
- 2.98 − 47 =
- 3.94 − 79 =
- 4.53 − 25 =
- 5.91 − 28 =
- 6.67 − 55 =
- 7.55 − 15 =
- 8.62 − 51 =
- 9.54 − 12 =
- 10.89 − 64 =
- 11.69 − 23 =
- 12.92 − 72 =
- 13.89 − 18 =
- 14.52 − 42 =
- 15.74 − 41 =
- 16.97 − 63 =
- 17.73 − 62 =
- 18.91 − 81 =
- 19.56 − 32 =
- 20.53 − 41 =
- 21.97 − 33 =
- 22.98 − 66 =
- 23.94 − 52 =
- 24.71 − 15 =
- 25.87 − 27 =
- 26.61 − 49 =
- 27.63 − 38 =
- 28.52 − 27 =
- 29.59 − 41 =
- 30.82 − 57 =
- 31.55 − 26 =
- 32.83 − 38 =
- 33.52 − 39 =
- 34.80 − 65 =
- 35.52 − 21 =
- 36.90 − 19 =
- 37.83 − 46 =
- 38.93 − 58 =
- 39.89 − 15 =
- 40.72 − 33 =
Answer key
- 38
- 51
- 15
- 28
- 63
- 12
- 40
- 11
- 42
- 25
- 46
- 20
- 71
- 10
- 33
- 34
- 11
- 10
- 24
- 12
- 64
- 32
- 42
- 56
- 60
- 12
- 25
- 25
- 18
- 25
- 29
- 45
- 13
- 15
- 31
- 71
- 37
- 35
- 74
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths