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
- 1.72 − 12 =
- 2.97 − 18 =
- 3.75 − 41 =
- 4.93 − 65 =
- 5.73 − 45 =
- 6.89 − 56 =
- 7.59 − 42 =
- 8.75 − 24 =
- 9.74 − 35 =
- 10.85 − 56 =
- 11.63 − 39 =
- 12.64 − 44 =
- 13.55 − 39 =
- 14.62 − 21 =
- 15.86 − 15 =
- 16.72 − 42 =
- 17.98 − 73 =
- 18.99 − 76 =
- 19.60 − 18 =
- 20.67 − 31 =
- 21.99 − 51 =
- 22.62 − 47 =
- 23.59 − 16 =
- 24.57 − 46 =
- 25.55 − 15 =
- 26.72 − 58 =
- 27.56 − 33 =
- 28.69 − 59 =
- 29.76 − 39 =
- 30.71 − 13 =
- 31.73 − 31 =
- 32.76 − 25 =
- 33.96 − 61 =
- 34.98 − 75 =
- 35.84 − 66 =
- 36.72 − 15 =
- 37.72 − 18 =
- 38.94 − 55 =
- 39.86 − 76 =
- 40.97 − 34 =
Answer key
- 60
- 79
- 34
- 28
- 28
- 33
- 17
- 51
- 39
- 29
- 24
- 20
- 16
- 41
- 71
- 30
- 25
- 23
- 42
- 36
- 48
- 15
- 43
- 11
- 40
- 14
- 23
- 10
- 37
- 58
- 42
- 51
- 35
- 23
- 18
- 57
- 54
- 39
- 10
- 63
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths