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
- 1.92 − 74 =
- 2.64 − 52 =
- 3.58 − 28 =
- 4.72 − 42 =
- 5.73 − 17 =
- 6.94 − 24 =
- 7.66 − 14 =
- 8.69 − 49 =
- 9.59 − 38 =
- 10.89 − 67 =
- 11.88 − 62 =
- 12.74 − 36 =
- 13.58 − 36 =
- 14.65 − 19 =
- 15.86 − 31 =
- 16.77 − 13 =
- 17.94 − 81 =
- 18.64 − 14 =
- 19.85 − 56 =
- 20.97 − 59 =
- 21.92 − 31 =
- 22.65 − 13 =
- 23.59 − 37 =
- 24.52 − 25 =
- 25.93 − 78 =
- 26.88 − 57 =
- 27.53 − 25 =
- 28.53 − 41 =
- 29.73 − 54 =
- 30.88 − 59 =
- 31.53 − 16 =
- 32.64 − 44 =
- 33.65 − 51 =
- 34.76 − 24 =
- 35.62 − 44 =
- 36.91 − 22 =
- 37.66 − 21 =
- 38.80 − 64 =
- 39.56 − 41 =
- 40.78 − 27 =
Answer key
- 18
- 12
- 30
- 30
- 56
- 70
- 52
- 20
- 21
- 22
- 26
- 38
- 22
- 46
- 55
- 64
- 13
- 50
- 29
- 38
- 61
- 52
- 22
- 27
- 15
- 31
- 28
- 12
- 19
- 29
- 37
- 20
- 14
- 52
- 18
- 69
- 45
- 16
- 15
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths