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 − 22 =
- 2.68 − 21 =
- 3.99 − 27 =
- 4.59 − 27 =
- 5.61 − 48 =
- 6.89 − 36 =
- 7.81 − 66 =
- 8.85 − 66 =
- 9.56 − 42 =
- 10.76 − 49 =
- 11.53 − 26 =
- 12.56 − 31 =
- 13.86 − 71 =
- 14.95 − 84 =
- 15.99 − 19 =
- 16.73 − 13 =
- 17.92 − 39 =
- 18.67 − 44 =
- 19.65 − 52 =
- 20.52 − 33 =
- 21.84 − 23 =
- 22.57 − 31 =
- 23.59 − 12 =
- 24.62 − 24 =
- 25.87 − 61 =
- 26.52 − 21 =
- 27.89 − 75 =
- 28.61 − 41 =
- 29.52 − 39 =
- 30.72 − 31 =
- 31.63 − 22 =
- 32.52 − 41 =
- 33.91 − 12 =
- 34.85 − 56 =
- 35.78 − 64 =
- 36.65 − 24 =
- 37.55 − 32 =
- 38.55 − 12 =
- 39.56 − 34 =
- 40.76 − 25 =
Answer key
- 48
- 47
- 72
- 32
- 13
- 53
- 15
- 19
- 14
- 27
- 27
- 25
- 15
- 11
- 80
- 60
- 53
- 23
- 13
- 19
- 61
- 26
- 47
- 38
- 26
- 31
- 14
- 20
- 13
- 41
- 41
- 11
- 79
- 29
- 14
- 41
- 23
- 43
- 22
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths