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
- 1.88 − 29 =
- 2.75 − 56 =
- 3.60 − 31 =
- 4.57 − 35 =
- 5.62 − 31 =
- 6.62 − 21 =
- 7.54 − 18 =
- 8.75 − 36 =
- 9.98 − 86 =
- 10.62 − 17 =
- 11.60 − 12 =
- 12.76 − 38 =
- 13.57 − 25 =
- 14.92 − 58 =
- 15.97 − 31 =
- 16.87 − 48 =
- 17.81 − 71 =
- 18.65 − 44 =
- 19.70 − 26 =
- 20.92 − 14 =
- 21.77 − 53 =
- 22.76 − 15 =
- 23.93 − 19 =
- 24.65 − 52 =
- 25.73 − 25 =
- 26.87 − 15 =
- 27.61 − 16 =
- 28.56 − 17 =
- 29.61 − 18 =
- 30.99 − 54 =
- 31.87 − 74 =
- 32.54 − 43 =
- 33.88 − 59 =
- 34.93 − 32 =
- 35.52 − 22 =
- 36.54 − 38 =
- 37.80 − 14 =
- 38.63 − 51 =
- 39.85 − 16 =
- 40.89 − 21 =
Answer key
- 59
- 19
- 29
- 22
- 31
- 41
- 36
- 39
- 12
- 45
- 48
- 38
- 32
- 34
- 66
- 39
- 10
- 21
- 44
- 78
- 24
- 61
- 74
- 13
- 48
- 72
- 45
- 39
- 43
- 45
- 13
- 11
- 29
- 61
- 30
- 16
- 66
- 12
- 69
- 68
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths