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
- 1.58 − 16 =
- 2.60 − 49 =
- 3.88 − 41 =
- 4.56 − 32 =
- 5.60 − 13 =
- 6.91 − 36 =
- 7.59 − 18 =
- 8.86 − 18 =
- 9.93 − 43 =
- 10.68 − 53 =
- 11.83 − 38 =
- 12.53 − 16 =
- 13.98 − 79 =
- 14.63 − 53 =
- 15.93 − 72 =
- 16.84 − 37 =
- 17.85 − 51 =
- 18.52 − 38 =
- 19.92 − 81 =
- 20.68 − 12 =
- 21.86 − 58 =
- 22.81 − 18 =
- 23.97 − 31 =
- 24.67 − 49 =
- 25.80 − 45 =
- 26.59 − 19 =
- 27.91 − 19 =
- 28.89 − 54 =
- 29.72 − 23 =
- 30.72 − 57 =
- 31.62 − 14 =
- 32.72 − 16 =
- 33.91 − 68 =
- 34.72 − 46 =
- 35.79 − 18 =
- 36.59 − 13 =
- 37.86 − 16 =
- 38.57 − 46 =
- 39.60 − 12 =
- 40.89 − 74 =
Answer key
- 42
- 11
- 47
- 24
- 47
- 55
- 41
- 68
- 50
- 15
- 45
- 37
- 19
- 10
- 21
- 47
- 34
- 14
- 11
- 56
- 28
- 63
- 66
- 18
- 35
- 40
- 72
- 35
- 49
- 15
- 48
- 56
- 23
- 26
- 61
- 46
- 70
- 11
- 48
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths