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
- 1.94 − 57 =
- 2.52 − 21 =
- 3.60 − 34 =
- 4.52 − 17 =
- 5.80 − 15 =
- 6.63 − 28 =
- 7.88 − 76 =
- 8.82 − 58 =
- 9.58 − 45 =
- 10.73 − 55 =
- 11.93 − 76 =
- 12.78 − 44 =
- 13.77 − 45 =
- 14.78 − 61 =
- 15.98 − 71 =
- 16.70 − 38 =
- 17.81 − 63 =
- 18.57 − 17 =
- 19.87 − 16 =
- 20.66 − 18 =
- 21.97 − 48 =
- 22.65 − 23 =
- 23.74 − 63 =
- 24.52 − 31 =
- 25.57 − 38 =
- 26.67 − 32 =
- 27.88 − 25 =
- 28.84 − 45 =
- 29.90 − 25 =
- 30.86 − 22 =
- 31.88 − 41 =
- 32.72 − 24 =
- 33.61 − 13 =
- 34.52 − 24 =
- 35.84 − 31 =
- 36.65 − 46 =
- 37.99 − 62 =
- 38.87 − 68 =
- 39.89 − 52 =
- 40.62 − 28 =
Answer key
- 37
- 31
- 26
- 35
- 65
- 35
- 12
- 24
- 13
- 18
- 17
- 34
- 32
- 17
- 27
- 32
- 18
- 40
- 71
- 48
- 49
- 42
- 11
- 21
- 19
- 35
- 63
- 39
- 65
- 64
- 47
- 48
- 48
- 28
- 53
- 19
- 37
- 19
- 37
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths