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
- 1.55 − 24 =
- 2.82 − 19 =
- 3.62 − 22 =
- 4.64 − 54 =
- 5.82 − 71 =
- 6.90 − 55 =
- 7.71 − 19 =
- 8.55 − 14 =
- 9.74 − 23 =
- 10.62 − 21 =
- 11.73 − 58 =
- 12.97 − 37 =
- 13.59 − 26 =
- 14.74 − 22 =
- 15.58 − 44 =
- 16.53 − 34 =
- 17.93 − 12 =
- 18.86 − 31 =
- 19.97 − 79 =
- 20.64 − 33 =
- 21.95 − 59 =
- 22.60 − 12 =
- 23.93 − 39 =
- 24.87 − 63 =
- 25.83 − 71 =
- 26.71 − 37 =
- 27.98 − 54 =
- 28.58 − 24 =
- 29.55 − 44 =
- 30.91 − 79 =
- 31.58 − 43 =
- 32.64 − 17 =
- 33.89 − 64 =
- 34.69 − 16 =
- 35.68 − 16 =
- 36.66 − 34 =
- 37.96 − 69 =
- 38.63 − 51 =
- 39.78 − 23 =
- 40.82 − 72 =
Answer key
- 31
- 63
- 40
- 10
- 11
- 35
- 52
- 41
- 51
- 41
- 15
- 60
- 33
- 52
- 14
- 19
- 81
- 55
- 18
- 31
- 36
- 48
- 54
- 24
- 12
- 34
- 44
- 34
- 11
- 12
- 15
- 47
- 25
- 53
- 52
- 32
- 27
- 12
- 55
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths