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
- 1.52 − 13 =
- 2.65 − 19 =
- 3.61 − 25 =
- 4.54 − 23 =
- 5.87 − 13 =
- 6.90 − 43 =
- 7.68 − 21 =
- 8.59 − 39 =
- 9.69 − 41 =
- 10.56 − 38 =
- 11.55 − 24 =
- 12.69 − 18 =
- 13.68 − 55 =
- 14.84 − 43 =
- 15.93 − 26 =
- 16.74 − 48 =
- 17.81 − 47 =
- 18.84 − 72 =
- 19.62 − 16 =
- 20.89 − 22 =
- 21.71 − 22 =
- 22.70 − 55 =
- 23.56 − 35 =
- 24.78 − 24 =
- 25.76 − 56 =
- 26.88 − 25 =
- 27.93 − 37 =
- 28.88 − 22 =
- 29.63 − 53 =
- 30.55 − 17 =
- 31.78 − 56 =
- 32.74 − 13 =
- 33.55 − 12 =
- 34.59 − 28 =
- 35.85 − 57 =
- 36.58 − 38 =
- 37.92 − 14 =
- 38.74 − 35 =
- 39.58 − 23 =
- 40.64 − 36 =
Answer key
- 39
- 46
- 36
- 31
- 74
- 47
- 47
- 20
- 28
- 18
- 31
- 51
- 13
- 41
- 67
- 26
- 34
- 12
- 46
- 67
- 49
- 15
- 21
- 54
- 20
- 63
- 56
- 66
- 10
- 38
- 22
- 61
- 43
- 31
- 28
- 20
- 78
- 39
- 35
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths