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
- 1.71 − 36 =
- 2.55 − 13 =
- 3.55 − 34 =
- 4.89 − 33 =
- 5.86 − 51 =
- 6.61 − 41 =
- 7.72 − 53 =
- 8.62 − 22 =
- 9.82 − 64 =
- 10.57 − 18 =
- 11.81 − 25 =
- 12.55 − 12 =
- 13.72 − 12 =
- 14.53 − 33 =
- 15.58 − 28 =
- 16.74 − 64 =
- 17.60 − 37 =
- 18.62 − 42 =
- 19.60 − 38 =
- 20.70 − 15 =
- 21.62 − 43 =
- 22.77 − 45 =
- 23.63 − 51 =
- 24.76 − 62 =
- 25.71 − 21 =
- 26.98 − 41 =
- 27.68 − 37 =
- 28.59 − 13 =
- 29.56 − 17 =
- 30.59 − 16 =
- 31.80 − 63 =
- 32.95 − 17 =
- 33.56 − 23 =
- 34.79 − 61 =
- 35.76 − 56 =
- 36.67 − 49 =
- 37.69 − 23 =
- 38.52 − 36 =
- 39.96 − 81 =
- 40.98 − 75 =
Answer key
- 35
- 42
- 21
- 56
- 35
- 20
- 19
- 40
- 18
- 39
- 56
- 43
- 60
- 20
- 30
- 10
- 23
- 20
- 22
- 55
- 19
- 32
- 12
- 14
- 50
- 57
- 31
- 46
- 39
- 43
- 17
- 78
- 33
- 18
- 20
- 18
- 46
- 16
- 15
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths