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
- 1.58 − 15 =
- 2.97 − 73 =
- 3.98 − 24 =
- 4.60 − 41 =
- 5.58 − 48 =
- 6.75 − 21 =
- 7.79 − 16 =
- 8.81 − 21 =
- 9.65 − 37 =
- 10.62 − 15 =
- 11.63 − 38 =
- 12.66 − 46 =
- 13.95 − 48 =
- 14.60 − 36 =
- 15.55 − 18 =
- 16.88 − 49 =
- 17.90 − 16 =
- 18.65 − 41 =
- 19.80 − 41 =
- 20.56 − 19 =
- 21.80 − 29 =
- 22.89 − 63 =
- 23.60 − 28 =
- 24.94 − 61 =
- 25.80 − 55 =
- 26.82 − 31 =
- 27.94 − 54 =
- 28.72 − 41 =
- 29.89 − 75 =
- 30.54 − 12 =
- 31.77 − 32 =
- 32.98 − 59 =
- 33.98 − 65 =
- 34.92 − 21 =
- 35.86 − 75 =
- 36.59 − 47 =
- 37.63 − 26 =
- 38.87 − 46 =
- 39.85 − 48 =
- 40.62 − 38 =
Answer key
- 43
- 24
- 74
- 19
- 10
- 54
- 63
- 60
- 28
- 47
- 25
- 20
- 47
- 24
- 37
- 39
- 74
- 24
- 39
- 37
- 51
- 26
- 32
- 33
- 25
- 51
- 40
- 31
- 14
- 42
- 45
- 39
- 33
- 71
- 11
- 12
- 37
- 41
- 37
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths