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
- 1.62 − 13 =
- 2.90 − 23 =
- 3.98 − 13 =
- 4.81 − 53 =
- 5.58 − 32 =
- 6.66 − 31 =
- 7.81 − 71 =
- 8.56 − 32 =
- 9.78 − 21 =
- 10.62 − 24 =
- 11.55 − 16 =
- 12.96 − 83 =
- 13.86 − 67 =
- 14.99 − 78 =
- 15.59 − 32 =
- 16.63 − 41 =
- 17.87 − 76 =
- 18.53 − 21 =
- 19.97 − 74 =
- 20.72 − 16 =
- 21.85 − 58 =
- 22.62 − 15 =
- 23.93 − 22 =
- 24.78 − 31 =
- 25.58 − 12 =
- 26.56 − 12 =
- 27.74 − 28 =
- 28.68 − 35 =
- 29.99 − 82 =
- 30.52 − 17 =
- 31.57 − 29 =
- 32.98 − 23 =
- 33.85 − 18 =
- 34.91 − 12 =
- 35.90 − 77 =
- 36.59 − 14 =
- 37.56 − 42 =
- 38.92 − 57 =
- 39.59 − 39 =
- 40.64 − 53 =
Answer key
- 49
- 67
- 85
- 28
- 26
- 35
- 10
- 24
- 57
- 38
- 39
- 13
- 19
- 21
- 27
- 22
- 11
- 32
- 23
- 56
- 27
- 47
- 71
- 47
- 46
- 44
- 46
- 33
- 17
- 35
- 28
- 75
- 67
- 79
- 13
- 45
- 14
- 35
- 20
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths