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
- 1.68 − 49 =
- 2.66 − 47 =
- 3.80 − 52 =
- 4.97 − 54 =
- 5.90 − 47 =
- 6.93 − 31 =
- 7.69 − 47 =
- 8.54 − 42 =
- 9.77 − 33 =
- 10.92 − 61 =
- 11.95 − 57 =
- 12.99 − 16 =
- 13.87 − 72 =
- 14.81 − 65 =
- 15.85 − 19 =
- 16.64 − 18 =
- 17.91 − 27 =
- 18.84 − 41 =
- 19.99 − 75 =
- 20.99 − 84 =
- 21.93 − 51 =
- 22.52 − 35 =
- 23.71 − 43 =
- 24.93 − 19 =
- 25.62 − 24 =
- 26.67 − 13 =
- 27.97 − 47 =
- 28.81 − 12 =
- 29.78 − 41 =
- 30.82 − 18 =
- 31.91 − 25 =
- 32.72 − 44 =
- 33.69 − 51 =
- 34.60 − 34 =
- 35.66 − 45 =
- 36.96 − 61 =
- 37.59 − 31 =
- 38.60 − 37 =
- 39.96 − 36 =
- 40.60 − 15 =
Answer key
- 19
- 19
- 28
- 43
- 43
- 62
- 22
- 12
- 44
- 31
- 38
- 83
- 15
- 16
- 66
- 46
- 64
- 43
- 24
- 15
- 42
- 17
- 28
- 74
- 38
- 54
- 50
- 69
- 37
- 64
- 66
- 28
- 18
- 26
- 21
- 35
- 28
- 23
- 60
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths