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
- 1.98 − 83 =
- 2.83 − 72 =
- 3.92 − 59 =
- 4.53 − 28 =
- 5.56 − 17 =
- 6.67 − 15 =
- 7.58 − 13 =
- 8.66 − 31 =
- 9.86 − 65 =
- 10.89 − 73 =
- 11.79 − 42 =
- 12.71 − 35 =
- 13.67 − 21 =
- 14.61 − 17 =
- 15.91 − 61 =
- 16.80 − 28 =
- 17.53 − 17 =
- 18.87 − 55 =
- 19.65 − 32 =
- 20.99 − 41 =
- 21.55 − 45 =
- 22.93 − 67 =
- 23.56 − 34 =
- 24.92 − 57 =
- 25.75 − 27 =
- 26.92 − 26 =
- 27.52 − 36 =
- 28.88 − 12 =
- 29.74 − 61 =
- 30.52 − 33 =
- 31.86 − 29 =
- 32.85 − 27 =
- 33.68 − 14 =
- 34.58 − 14 =
- 35.78 − 34 =
- 36.88 − 71 =
- 37.85 − 15 =
- 38.75 − 37 =
- 39.70 − 43 =
- 40.91 − 59 =
Answer key
- 15
- 11
- 33
- 25
- 39
- 52
- 45
- 35
- 21
- 16
- 37
- 36
- 46
- 44
- 30
- 52
- 36
- 32
- 33
- 58
- 10
- 26
- 22
- 35
- 48
- 66
- 16
- 76
- 13
- 19
- 57
- 58
- 54
- 44
- 44
- 17
- 70
- 38
- 27
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths