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
- 1.67 − 52 =
- 2.73 − 41 =
- 3.95 − 17 =
- 4.69 − 34 =
- 5.70 − 15 =
- 6.61 − 28 =
- 7.64 − 26 =
- 8.94 − 84 =
- 9.59 − 22 =
- 10.64 − 14 =
- 11.77 − 55 =
- 12.73 − 21 =
- 13.66 − 32 =
- 14.92 − 74 =
- 15.89 − 45 =
- 16.83 − 31 =
- 17.88 − 44 =
- 18.67 − 34 =
- 19.53 − 17 =
- 20.60 − 18 =
- 21.60 − 27 =
- 22.62 − 18 =
- 23.83 − 33 =
- 24.58 − 47 =
- 25.55 − 12 =
- 26.57 − 34 =
- 27.75 − 27 =
- 28.90 − 44 =
- 29.74 − 21 =
- 30.86 − 33 =
- 31.83 − 54 =
- 32.59 − 38 =
- 33.68 − 13 =
- 34.94 − 77 =
- 35.63 − 22 =
- 36.53 − 15 =
- 37.84 − 68 =
- 38.90 − 61 =
- 39.77 − 31 =
- 40.69 − 24 =
Answer key
- 15
- 32
- 78
- 35
- 55
- 33
- 38
- 10
- 37
- 50
- 22
- 52
- 34
- 18
- 44
- 52
- 44
- 33
- 36
- 42
- 33
- 44
- 50
- 11
- 43
- 23
- 48
- 46
- 53
- 53
- 29
- 21
- 55
- 17
- 41
- 38
- 16
- 29
- 46
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths