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
- 1.64 − 54 =
- 2.97 − 74 =
- 3.99 − 31 =
- 4.87 − 46 =
- 5.96 − 15 =
- 6.66 − 45 =
- 7.58 − 41 =
- 8.89 − 64 =
- 9.87 − 57 =
- 10.61 − 38 =
- 11.69 − 47 =
- 12.81 − 66 =
- 13.68 − 39 =
- 14.82 − 19 =
- 15.72 − 17 =
- 16.94 − 25 =
- 17.55 − 14 =
- 18.70 − 51 =
- 19.65 − 18 =
- 20.85 − 71 =
- 21.88 − 73 =
- 22.72 − 27 =
- 23.74 − 42 =
- 24.63 − 31 =
- 25.54 − 38 =
- 26.72 − 48 =
- 27.75 − 48 =
- 28.60 − 44 =
- 29.94 − 38 =
- 30.78 − 14 =
- 31.93 − 63 =
- 32.80 − 28 =
- 33.70 − 22 =
- 34.87 − 16 =
- 35.78 − 43 =
- 36.96 − 83 =
- 37.86 − 41 =
- 38.86 − 15 =
- 39.83 − 13 =
- 40.86 − 43 =
Answer key
- 10
- 23
- 68
- 41
- 81
- 21
- 17
- 25
- 30
- 23
- 22
- 15
- 29
- 63
- 55
- 69
- 41
- 19
- 47
- 14
- 15
- 45
- 32
- 32
- 16
- 24
- 27
- 16
- 56
- 64
- 30
- 52
- 48
- 71
- 35
- 13
- 45
- 71
- 70
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths