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
- 1.54 − 42 =
- 2.57 − 32 =
- 3.77 − 41 =
- 4.64 − 42 =
- 5.98 − 15 =
- 6.67 − 27 =
- 7.53 − 34 =
- 8.78 − 42 =
- 9.82 − 39 =
- 10.52 − 36 =
- 11.96 − 15 =
- 12.63 − 41 =
- 13.72 − 62 =
- 14.54 − 29 =
- 15.94 − 72 =
- 16.80 − 32 =
- 17.53 − 32 =
- 18.76 − 29 =
- 19.52 − 21 =
- 20.98 − 49 =
- 21.59 − 47 =
- 22.71 − 18 =
- 23.59 − 31 =
- 24.73 − 59 =
- 25.95 − 36 =
- 26.54 − 12 =
- 27.82 − 24 =
- 28.88 − 43 =
- 29.62 − 33 =
- 30.91 − 22 =
- 31.87 − 59 =
- 32.73 − 25 =
- 33.68 − 47 =
- 34.66 − 21 =
- 35.56 − 21 =
- 36.60 − 37 =
- 37.83 − 46 =
- 38.54 − 13 =
- 39.54 − 41 =
- 40.60 − 21 =
Answer key
- 12
- 25
- 36
- 22
- 83
- 40
- 19
- 36
- 43
- 16
- 81
- 22
- 10
- 25
- 22
- 48
- 21
- 47
- 31
- 49
- 12
- 53
- 28
- 14
- 59
- 42
- 58
- 45
- 29
- 69
- 28
- 48
- 21
- 45
- 35
- 23
- 37
- 41
- 13
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths