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
- 1.73 − 34 =
- 2.68 − 18 =
- 3.83 − 19 =
- 4.96 − 59 =
- 5.78 − 41 =
- 6.63 − 51 =
- 7.87 − 75 =
- 8.56 − 15 =
- 9.97 − 33 =
- 10.80 − 31 =
- 11.86 − 47 =
- 12.75 − 39 =
- 13.76 − 37 =
- 14.94 − 55 =
- 15.92 − 72 =
- 16.83 − 21 =
- 17.81 − 68 =
- 18.62 − 52 =
- 19.84 − 21 =
- 20.66 − 15 =
- 21.76 − 54 =
- 22.79 − 41 =
- 23.62 − 15 =
- 24.80 − 64 =
- 25.73 − 49 =
- 26.61 − 24 =
- 27.58 − 12 =
- 28.74 − 25 =
- 29.74 − 16 =
- 30.58 − 22 =
- 31.60 − 22 =
- 32.61 − 25 =
- 33.76 − 51 =
- 34.83 − 54 =
- 35.77 − 41 =
- 36.78 − 26 =
- 37.70 − 49 =
- 38.60 − 37 =
- 39.92 − 33 =
- 40.74 − 36 =
Answer key
- 39
- 50
- 64
- 37
- 37
- 12
- 12
- 41
- 64
- 49
- 39
- 36
- 39
- 39
- 20
- 62
- 13
- 10
- 63
- 51
- 22
- 38
- 47
- 16
- 24
- 37
- 46
- 49
- 58
- 36
- 38
- 36
- 25
- 29
- 36
- 52
- 21
- 23
- 59
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths