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 − 32 =
- 2.69 − 57 =
- 3.64 − 48 =
- 4.70 − 28 =
- 5.80 − 48 =
- 6.68 − 47 =
- 7.59 − 25 =
- 8.91 − 63 =
- 9.96 − 18 =
- 10.79 − 34 =
- 11.72 − 32 =
- 12.62 − 21 =
- 13.61 − 33 =
- 14.60 − 35 =
- 15.62 − 44 =
- 16.76 − 31 =
- 17.83 − 27 =
- 18.85 − 15 =
- 19.58 − 25 =
- 20.62 − 37 =
- 21.67 − 27 =
- 22.52 − 41 =
- 23.80 − 28 =
- 24.77 − 16 =
- 25.63 − 44 =
- 26.60 − 37 =
- 27.54 − 31 =
- 28.58 − 38 =
- 29.85 − 73 =
- 30.61 − 25 =
- 31.89 − 43 =
- 32.75 − 12 =
- 33.75 − 15 =
- 34.52 − 32 =
- 35.79 − 35 =
- 36.56 − 16 =
- 37.72 − 35 =
- 38.67 − 54 =
- 39.85 − 22 =
- 40.56 − 36 =
Answer key
- 38
- 12
- 16
- 42
- 32
- 21
- 34
- 28
- 78
- 45
- 40
- 41
- 28
- 25
- 18
- 45
- 56
- 70
- 33
- 25
- 40
- 11
- 52
- 61
- 19
- 23
- 23
- 20
- 12
- 36
- 46
- 63
- 60
- 20
- 44
- 40
- 37
- 13
- 63
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths