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
- 1.86 − 17 =
- 2.65 − 45 =
- 3.96 − 73 =
- 4.61 − 23 =
- 5.67 − 31 =
- 6.57 − 13 =
- 7.59 − 12 =
- 8.69 − 47 =
- 9.88 − 76 =
- 10.58 − 33 =
- 11.64 − 48 =
- 12.90 − 41 =
- 13.54 − 19 =
- 14.62 − 45 =
- 15.87 − 62 =
- 16.92 − 16 =
- 17.79 − 58 =
- 18.82 − 53 =
- 19.52 − 34 =
- 20.73 − 43 =
- 21.59 − 45 =
- 22.58 − 29 =
- 23.68 − 25 =
- 24.69 − 54 =
- 25.75 − 61 =
- 26.82 − 68 =
- 27.53 − 14 =
- 28.53 − 31 =
- 29.75 − 18 =
- 30.68 − 21 =
- 31.65 − 41 =
- 32.91 − 42 =
- 33.78 − 31 =
- 34.69 − 49 =
- 35.80 − 71 =
- 36.89 − 22 =
- 37.54 − 28 =
- 38.53 − 33 =
- 39.80 − 46 =
- 40.59 − 14 =
Answer key
- 69
- 20
- 23
- 38
- 36
- 44
- 47
- 22
- 12
- 25
- 16
- 49
- 35
- 17
- 25
- 76
- 21
- 29
- 18
- 30
- 14
- 29
- 43
- 15
- 14
- 14
- 39
- 22
- 57
- 47
- 24
- 49
- 47
- 20
- 9
- 67
- 26
- 20
- 34
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths