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 − 29 =
- 2.63 − 23 =
- 3.53 − 13 =
- 4.67 − 19 =
- 5.64 − 17 =
- 6.74 − 44 =
- 7.62 − 35 =
- 8.86 − 32 =
- 9.61 − 45 =
- 10.53 − 29 =
- 11.72 − 21 =
- 12.73 − 49 =
- 13.87 − 36 =
- 14.72 − 27 =
- 15.63 − 52 =
- 16.61 − 51 =
- 17.76 − 19 =
- 18.77 − 24 =
- 19.63 − 25 =
- 20.92 − 23 =
- 21.71 − 21 =
- 22.93 − 35 =
- 23.67 − 51 =
- 24.66 − 52 =
- 25.56 − 46 =
- 26.71 − 35 =
- 27.83 − 64 =
- 28.62 − 26 =
- 29.89 − 24 =
- 30.54 − 43 =
- 31.54 − 33 =
- 32.83 − 54 =
- 33.53 − 38 =
- 34.60 − 14 =
- 35.70 − 17 =
- 36.74 − 28 =
- 37.66 − 21 =
- 38.62 − 36 =
- 39.53 − 18 =
- 40.58 − 12 =
Answer key
- 29
- 40
- 40
- 48
- 47
- 30
- 27
- 54
- 16
- 24
- 51
- 24
- 51
- 45
- 11
- 10
- 57
- 53
- 38
- 69
- 50
- 58
- 16
- 14
- 10
- 36
- 19
- 36
- 65
- 11
- 21
- 29
- 15
- 46
- 53
- 46
- 45
- 26
- 35
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths