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
- 1.57 − 15 =
- 2.82 − 36 =
- 3.64 − 51 =
- 4.81 − 62 =
- 5.86 − 37 =
- 6.62 − 29 =
- 7.64 − 35 =
- 8.84 − 74 =
- 9.54 − 39 =
- 10.54 − 26 =
- 11.75 − 33 =
- 12.54 − 21 =
- 13.85 − 38 =
- 14.53 − 24 =
- 15.80 − 45 =
- 16.83 − 72 =
- 17.93 − 17 =
- 18.69 − 32 =
- 19.93 − 31 =
- 20.63 − 41 =
- 21.81 − 39 =
- 22.78 − 36 =
- 23.86 − 35 =
- 24.98 − 65 =
- 25.80 − 49 =
- 26.61 − 31 =
- 27.72 − 26 =
- 28.53 − 27 =
- 29.74 − 43 =
- 30.84 − 21 =
- 31.64 − 44 =
- 32.74 − 47 =
- 33.77 − 59 =
- 34.99 − 39 =
- 35.84 − 42 =
- 36.71 − 34 =
- 37.80 − 37 =
- 38.52 − 14 =
- 39.79 − 22 =
- 40.62 − 21 =
Answer key
- 42
- 46
- 13
- 19
- 49
- 33
- 29
- 10
- 15
- 28
- 42
- 33
- 47
- 29
- 35
- 11
- 76
- 37
- 62
- 22
- 42
- 42
- 51
- 33
- 31
- 30
- 46
- 26
- 31
- 63
- 20
- 27
- 18
- 60
- 42
- 37
- 43
- 38
- 57
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths