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
- 1.70 − 59 =
- 2.81 − 54 =
- 3.63 − 41 =
- 4.79 − 18 =
- 5.60 − 48 =
- 6.57 − 47 =
- 7.71 − 53 =
- 8.61 − 38 =
- 9.98 − 77 =
- 10.75 − 13 =
- 11.96 − 81 =
- 12.94 − 65 =
- 13.76 − 61 =
- 14.56 − 18 =
- 15.91 − 13 =
- 16.66 − 33 =
- 17.53 − 32 =
- 18.84 − 31 =
- 19.63 − 36 =
- 20.80 − 19 =
- 21.74 − 19 =
- 22.94 − 78 =
- 23.73 − 35 =
- 24.80 − 61 =
- 25.76 − 29 =
- 26.63 − 34 =
- 27.60 − 36 =
- 28.65 − 52 =
- 29.66 − 37 =
- 30.91 − 12 =
- 31.66 − 49 =
- 32.72 − 28 =
- 33.56 − 19 =
- 34.59 − 15 =
- 35.93 − 78 =
- 36.90 − 12 =
- 37.90 − 15 =
- 38.68 − 14 =
- 39.55 − 25 =
- 40.65 − 19 =
Answer key
- 11
- 27
- 22
- 61
- 12
- 10
- 18
- 23
- 21
- 62
- 15
- 29
- 15
- 38
- 78
- 33
- 21
- 53
- 27
- 61
- 55
- 16
- 38
- 19
- 47
- 29
- 24
- 13
- 29
- 79
- 17
- 44
- 37
- 44
- 15
- 78
- 75
- 54
- 30
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths