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
- 1.72 − 34 =
- 2.77 − 43 =
- 3.98 − 21 =
- 4.68 − 42 =
- 5.88 − 66 =
- 6.59 − 28 =
- 7.56 − 43 =
- 8.65 − 28 =
- 9.78 − 65 =
- 10.59 − 46 =
- 11.76 − 21 =
- 12.97 − 87 =
- 13.95 − 45 =
- 14.54 − 12 =
- 15.93 − 82 =
- 16.61 − 31 =
- 17.65 − 34 =
- 18.62 − 31 =
- 19.60 − 31 =
- 20.67 − 17 =
- 21.75 − 22 =
- 22.92 − 76 =
- 23.52 − 34 =
- 24.66 − 51 =
- 25.64 − 15 =
- 26.96 − 79 =
- 27.95 − 63 =
- 28.60 − 39 =
- 29.85 − 72 =
- 30.64 − 13 =
- 31.63 − 35 =
- 32.77 − 64 =
- 33.82 − 49 =
- 34.52 − 31 =
- 35.87 − 31 =
- 36.66 − 16 =
- 37.56 − 19 =
- 38.52 − 26 =
- 39.85 − 73 =
- 40.72 − 53 =
Answer key
- 38
- 34
- 77
- 26
- 22
- 31
- 13
- 37
- 13
- 13
- 55
- 10
- 50
- 42
- 11
- 30
- 31
- 31
- 29
- 50
- 53
- 16
- 18
- 15
- 49
- 17
- 32
- 21
- 13
- 51
- 28
- 13
- 33
- 21
- 56
- 50
- 37
- 26
- 12
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths