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 − 24 =
- 2.79 − 41 =
- 3.65 − 21 =
- 4.60 − 42 =
- 5.61 − 23 =
- 6.90 − 68 =
- 7.79 − 43 =
- 8.90 − 53 =
- 9.64 − 31 =
- 10.59 − 37 =
- 11.61 − 36 =
- 12.70 − 51 =
- 13.76 − 48 =
- 14.89 − 77 =
- 15.54 − 39 =
- 16.79 − 13 =
- 17.88 − 68 =
- 18.74 − 62 =
- 19.59 − 36 =
- 20.85 − 41 =
- 21.74 − 34 =
- 22.72 − 27 =
- 23.74 − 46 =
- 24.99 − 39 =
- 25.94 − 79 =
- 26.53 − 21 =
- 27.93 − 14 =
- 28.58 − 41 =
- 29.87 − 17 =
- 30.66 − 12 =
- 31.94 − 14 =
- 32.87 − 55 =
- 33.91 − 12 =
- 34.70 − 31 =
- 35.87 − 72 =
- 36.82 − 69 =
- 37.63 − 44 =
- 38.92 − 19 =
- 39.78 − 63 =
- 40.72 − 18 =
Answer key
- 29
- 38
- 44
- 18
- 38
- 22
- 36
- 37
- 33
- 22
- 25
- 19
- 28
- 12
- 15
- 66
- 20
- 12
- 23
- 44
- 40
- 45
- 28
- 60
- 15
- 32
- 79
- 17
- 70
- 54
- 80
- 32
- 79
- 39
- 15
- 13
- 19
- 73
- 15
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths