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
- 1.66 − 31 =
- 2.66 − 49 =
- 3.94 − 69 =
- 4.63 − 49 =
- 5.59 − 35 =
- 6.74 − 18 =
- 7.90 − 43 =
- 8.98 − 21 =
- 9.67 − 39 =
- 10.75 − 44 =
- 11.64 − 41 =
- 12.56 − 13 =
- 13.76 − 51 =
- 14.96 − 79 =
- 15.61 − 33 =
- 16.75 − 14 =
- 17.99 − 69 =
- 18.83 − 71 =
- 19.90 − 39 =
- 20.86 − 31 =
- 21.57 − 23 =
- 22.98 − 82 =
- 23.61 − 29 =
- 24.62 − 12 =
- 25.98 − 69 =
- 26.76 − 12 =
- 27.89 − 75 =
- 28.78 − 54 =
- 29.68 − 34 =
- 30.70 − 41 =
- 31.82 − 33 =
- 32.74 − 23 =
- 33.86 − 23 =
- 34.69 − 44 =
- 35.93 − 25 =
- 36.55 − 22 =
- 37.73 − 51 =
- 38.73 − 21 =
- 39.65 − 15 =
- 40.57 − 39 =
Answer key
- 35
- 17
- 25
- 14
- 24
- 56
- 47
- 77
- 28
- 31
- 23
- 43
- 25
- 17
- 28
- 61
- 30
- 12
- 51
- 55
- 34
- 16
- 32
- 50
- 29
- 64
- 14
- 24
- 34
- 29
- 49
- 51
- 63
- 25
- 68
- 33
- 22
- 52
- 50
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths