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
- 1.62 − 21 =
- 2.88 − 71 =
- 3.86 − 56 =
- 4.75 − 56 =
- 5.72 − 33 =
- 6.54 − 31 =
- 7.97 − 52 =
- 8.75 − 64 =
- 9.77 − 37 =
- 10.99 − 26 =
- 11.61 − 47 =
- 12.59 − 32 =
- 13.76 − 29 =
- 14.79 − 35 =
- 15.79 − 24 =
- 16.63 − 46 =
- 17.59 − 23 =
- 18.77 − 66 =
- 19.71 − 17 =
- 20.59 − 48 =
- 21.60 − 46 =
- 22.99 − 57 =
- 23.90 − 43 =
- 24.86 − 32 =
- 25.81 − 51 =
- 26.85 − 59 =
- 27.87 − 16 =
- 28.56 − 28 =
- 29.96 − 13 =
- 30.74 − 27 =
- 31.87 − 53 =
- 32.85 − 75 =
- 33.55 − 19 =
- 34.94 − 77 =
- 35.89 − 77 =
- 36.75 − 15 =
- 37.58 − 31 =
- 38.61 − 13 =
- 39.60 − 51 =
- 40.64 − 23 =
Answer key
- 41
- 17
- 30
- 19
- 39
- 23
- 45
- 11
- 40
- 73
- 14
- 27
- 47
- 44
- 55
- 17
- 36
- 11
- 54
- 11
- 14
- 42
- 47
- 54
- 30
- 26
- 71
- 28
- 83
- 47
- 34
- 10
- 36
- 17
- 12
- 60
- 27
- 48
- 9
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths