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
- 1.52 − 19 =
- 2.53 − 29 =
- 3.93 − 32 =
- 4.76 − 26 =
- 5.61 − 13 =
- 6.79 − 21 =
- 7.60 − 25 =
- 8.74 − 17 =
- 9.55 − 31 =
- 10.76 − 27 =
- 11.58 − 21 =
- 12.64 − 22 =
- 13.53 − 38 =
- 14.65 − 14 =
- 15.58 − 23 =
- 16.79 − 67 =
- 17.73 − 14 =
- 18.82 − 52 =
- 19.83 − 71 =
- 20.52 − 31 =
- 21.75 − 18 =
- 22.87 − 45 =
- 23.62 − 31 =
- 24.83 − 72 =
- 25.64 − 36 =
- 26.75 − 24 =
- 27.71 − 25 =
- 28.64 − 13 =
- 29.61 − 44 =
- 30.75 − 46 =
- 31.65 − 29 =
- 32.86 − 38 =
- 33.98 − 31 =
- 34.96 − 21 =
- 35.68 − 34 =
- 36.88 − 53 =
- 37.56 − 46 =
- 38.95 − 25 =
- 39.62 − 35 =
- 40.61 − 38 =
Answer key
- 33
- 24
- 61
- 50
- 48
- 58
- 35
- 57
- 24
- 49
- 37
- 42
- 15
- 51
- 35
- 12
- 59
- 30
- 12
- 21
- 57
- 42
- 31
- 11
- 28
- 51
- 46
- 51
- 17
- 29
- 36
- 48
- 67
- 75
- 34
- 35
- 10
- 70
- 27
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths