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 − 21 =
- 2.69 − 39 =
- 3.87 − 37 =
- 4.95 − 49 =
- 5.64 − 39 =
- 6.99 − 71 =
- 7.58 − 44 =
- 8.93 − 34 =
- 9.90 − 77 =
- 10.75 − 16 =
- 11.57 − 26 =
- 12.63 − 33 =
- 13.90 − 22 =
- 14.80 − 29 =
- 15.78 − 14 =
- 16.95 − 58 =
- 17.79 − 26 =
- 18.74 − 25 =
- 19.68 − 41 =
- 20.80 − 68 =
- 21.84 − 71 =
- 22.68 − 13 =
- 23.74 − 19 =
- 24.97 − 61 =
- 25.93 − 72 =
- 26.92 − 27 =
- 27.70 − 15 =
- 28.59 − 21 =
- 29.66 − 24 =
- 30.77 − 24 =
- 31.63 − 51 =
- 32.91 − 71 =
- 33.71 − 23 =
- 34.80 − 34 =
- 35.62 − 21 =
- 36.64 − 44 =
- 37.79 − 51 =
- 38.58 − 16 =
- 39.64 − 24 =
- 40.86 − 38 =
Answer key
- 33
- 30
- 50
- 46
- 25
- 28
- 14
- 59
- 13
- 59
- 31
- 30
- 68
- 51
- 64
- 37
- 53
- 49
- 27
- 12
- 13
- 55
- 55
- 36
- 21
- 65
- 55
- 38
- 42
- 53
- 12
- 20
- 48
- 46
- 41
- 20
- 28
- 42
- 40
- 48
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths