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
- 1.65 − 23 =
- 2.71 − 26 =
- 3.70 − 21 =
- 4.89 − 62 =
- 5.55 − 17 =
- 6.60 − 34 =
- 7.61 − 18 =
- 8.55 − 16 =
- 9.85 − 72 =
- 10.89 − 33 =
- 11.64 − 41 =
- 12.64 − 22 =
- 13.65 − 47 =
- 14.97 − 19 =
- 15.86 − 12 =
- 16.99 − 61 =
- 17.64 − 14 =
- 18.60 − 48 =
- 19.85 − 46 =
- 20.98 − 21 =
- 21.62 − 38 =
- 22.52 − 16 =
- 23.63 − 27 =
- 24.75 − 59 =
- 25.52 − 18 =
- 26.64 − 21 =
- 27.66 − 15 =
- 28.86 − 21 =
- 29.91 − 71 =
- 30.68 − 53 =
- 31.57 − 42 =
- 32.99 − 62 =
- 33.92 − 18 =
- 34.84 − 32 =
- 35.57 − 16 =
- 36.95 − 33 =
- 37.58 − 43 =
- 38.73 − 12 =
- 39.87 − 61 =
- 40.53 − 19 =
Answer key
- 42
- 45
- 49
- 27
- 38
- 26
- 43
- 39
- 13
- 56
- 23
- 42
- 18
- 78
- 74
- 38
- 50
- 12
- 39
- 77
- 24
- 36
- 36
- 16
- 34
- 43
- 51
- 65
- 20
- 15
- 15
- 37
- 74
- 52
- 41
- 62
- 15
- 61
- 26
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths