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
- 1.86 − 31 =
- 2.96 − 76 =
- 3.73 − 39 =
- 4.77 − 26 =
- 5.58 − 27 =
- 6.61 − 21 =
- 7.98 − 59 =
- 8.93 − 51 =
- 9.71 − 54 =
- 10.70 − 55 =
- 11.91 − 19 =
- 12.68 − 37 =
- 13.58 − 28 =
- 14.73 − 16 =
- 15.69 − 14 =
- 16.59 − 25 =
- 17.70 − 13 =
- 18.56 − 22 =
- 19.90 − 73 =
- 20.99 − 47 =
- 21.76 − 21 =
- 22.56 − 35 =
- 23.53 − 27 =
- 24.90 − 31 =
- 25.88 − 55 =
- 26.53 − 43 =
- 27.55 − 19 =
- 28.96 − 71 =
- 29.54 − 42 =
- 30.93 − 36 =
- 31.80 − 54 =
- 32.95 − 57 =
- 33.75 − 48 =
- 34.70 − 32 =
- 35.72 − 14 =
- 36.97 − 31 =
- 37.59 − 31 =
- 38.74 − 14 =
- 39.65 − 49 =
- 40.62 − 31 =
Answer key
- 55
- 20
- 34
- 51
- 31
- 40
- 39
- 42
- 17
- 15
- 72
- 31
- 30
- 57
- 55
- 34
- 57
- 34
- 17
- 52
- 55
- 21
- 26
- 59
- 33
- 10
- 36
- 25
- 12
- 57
- 26
- 38
- 27
- 38
- 58
- 66
- 28
- 60
- 16
- 31
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths