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
- 1.56 − 36 =
- 2.91 − 17 =
- 3.60 − 29 =
- 4.83 − 59 =
- 5.84 − 27 =
- 6.83 − 54 =
- 7.67 − 36 =
- 8.70 − 32 =
- 9.85 − 15 =
- 10.72 − 39 =
- 11.52 − 41 =
- 12.69 − 37 =
- 13.54 − 21 =
- 14.83 − 53 =
- 15.87 − 41 =
- 16.82 − 31 =
- 17.92 − 71 =
- 18.62 − 45 =
- 19.85 − 54 =
- 20.65 − 24 =
- 21.84 − 58 =
- 22.69 − 16 =
- 23.56 − 13 =
- 24.60 − 31 =
- 25.60 − 42 =
- 26.70 − 31 =
- 27.79 − 38 =
- 28.80 − 68 =
- 29.83 − 47 =
- 30.78 − 49 =
- 31.64 − 44 =
- 32.72 − 26 =
- 33.62 − 48 =
- 34.55 − 18 =
- 35.64 − 18 =
- 36.93 − 38 =
- 37.88 − 19 =
- 38.75 − 56 =
- 39.78 − 13 =
- 40.94 − 59 =
Answer key
- 20
- 74
- 31
- 24
- 57
- 29
- 31
- 38
- 70
- 33
- 11
- 32
- 33
- 30
- 46
- 51
- 21
- 17
- 31
- 41
- 26
- 53
- 43
- 29
- 18
- 39
- 41
- 12
- 36
- 29
- 20
- 46
- 14
- 37
- 46
- 55
- 69
- 19
- 65
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths