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 − 19 =
- 2.97 − 57 =
- 3.70 − 44 =
- 4.95 − 27 =
- 5.91 − 12 =
- 6.63 − 47 =
- 7.86 − 12 =
- 8.96 − 27 =
- 9.52 − 18 =
- 10.91 − 45 =
- 11.75 − 47 =
- 12.80 − 66 =
- 13.57 − 39 =
- 14.84 − 41 =
- 15.92 − 81 =
- 16.53 − 31 =
- 17.58 − 45 =
- 18.80 − 44 =
- 19.70 − 34 =
- 20.82 − 52 =
- 21.91 − 78 =
- 22.61 − 14 =
- 23.93 − 74 =
- 24.85 − 26 =
- 25.84 − 25 =
- 26.78 − 53 =
- 27.62 − 15 =
- 28.77 − 17 =
- 29.86 − 54 =
- 30.78 − 21 =
- 31.67 − 46 =
- 32.53 − 24 =
- 33.91 − 15 =
- 34.66 − 41 =
- 35.56 − 12 =
- 36.54 − 18 =
- 37.94 − 48 =
- 38.61 − 29 =
- 39.54 − 24 =
- 40.73 − 22 =
Answer key
- 39
- 40
- 26
- 68
- 79
- 16
- 74
- 69
- 34
- 46
- 28
- 14
- 18
- 43
- 11
- 22
- 13
- 36
- 36
- 30
- 13
- 47
- 19
- 59
- 59
- 25
- 47
- 60
- 32
- 57
- 21
- 29
- 76
- 25
- 44
- 36
- 46
- 32
- 30
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths