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
- 1.91 − 38 =
- 2.52 − 17 =
- 3.82 − 47 =
- 4.80 − 26 =
- 5.62 − 41 =
- 6.73 − 51 =
- 7.87 − 31 =
- 8.74 − 19 =
- 9.98 − 41 =
- 10.67 − 46 =
- 11.92 − 28 =
- 12.69 − 42 =
- 13.70 − 34 =
- 14.89 − 41 =
- 15.62 − 46 =
- 16.75 − 33 =
- 17.94 − 38 =
- 18.64 − 41 =
- 19.92 − 49 =
- 20.90 − 18 =
- 21.84 − 61 =
- 22.95 − 27 =
- 23.52 − 27 =
- 24.75 − 38 =
- 25.64 − 36 =
- 26.63 − 28 =
- 27.82 − 18 =
- 28.99 − 14 =
- 29.72 − 21 =
- 30.92 − 77 =
- 31.83 − 68 =
- 32.67 − 38 =
- 33.54 − 29 =
- 34.52 − 31 =
- 35.70 − 21 =
- 36.58 − 22 =
- 37.77 − 51 =
- 38.58 − 39 =
- 39.74 − 49 =
- 40.62 − 29 =
Answer key
- 53
- 35
- 35
- 54
- 21
- 22
- 56
- 55
- 57
- 21
- 64
- 27
- 36
- 48
- 16
- 42
- 56
- 23
- 43
- 72
- 23
- 68
- 25
- 37
- 28
- 35
- 64
- 85
- 51
- 15
- 15
- 29
- 25
- 21
- 49
- 36
- 26
- 19
- 25
- 33
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths