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 − 25 =
- 2.69 − 57 =
- 3.52 − 15 =
- 4.95 − 61 =
- 5.81 − 12 =
- 6.68 − 56 =
- 7.53 − 19 =
- 8.98 − 41 =
- 9.91 − 24 =
- 10.90 − 35 =
- 11.91 − 72 =
- 12.86 − 22 =
- 13.94 − 48 =
- 14.99 − 74 =
- 15.83 − 54 =
- 16.98 − 21 =
- 17.63 − 41 =
- 18.53 − 24 =
- 19.78 − 24 =
- 20.89 − 54 =
- 21.78 − 68 =
- 22.59 − 43 =
- 23.56 − 14 =
- 24.55 − 27 =
- 25.66 − 33 =
- 26.67 − 33 =
- 27.57 − 16 =
- 28.90 − 76 =
- 29.73 − 57 =
- 30.78 − 66 =
- 31.60 − 48 =
- 32.74 − 45 =
- 33.85 − 63 =
- 34.60 − 12 =
- 35.59 − 33 =
- 36.54 − 16 =
- 37.80 − 19 =
- 38.99 − 14 =
- 39.68 − 35 =
- 40.59 − 21 =
Answer key
- 37
- 12
- 37
- 34
- 69
- 12
- 34
- 57
- 67
- 55
- 19
- 64
- 46
- 25
- 29
- 77
- 22
- 29
- 54
- 35
- 10
- 16
- 42
- 28
- 33
- 34
- 41
- 14
- 16
- 12
- 12
- 29
- 22
- 48
- 26
- 38
- 61
- 85
- 33
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths