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
- 1.59 − 41 =
- 2.64 − 24 =
- 3.98 − 42 =
- 4.92 − 46 =
- 5.55 − 35 =
- 6.80 − 54 =
- 7.93 − 78 =
- 8.61 − 15 =
- 9.53 − 17 =
- 10.55 − 26 =
- 11.83 − 48 =
- 12.97 − 72 =
- 13.99 − 29 =
- 14.59 − 31 =
- 15.70 − 12 =
- 16.90 − 35 =
- 17.70 − 52 =
- 18.99 − 17 =
- 19.54 − 13 =
- 20.66 − 21 =
- 21.52 − 39 =
- 22.91 − 73 =
- 23.52 − 38 =
- 24.77 − 17 =
- 25.83 − 13 =
- 26.83 − 59 =
- 27.71 − 36 =
- 28.70 − 36 =
- 29.93 − 44 =
- 30.60 − 23 =
- 31.97 − 22 =
- 32.59 − 17 =
- 33.63 − 41 =
- 34.99 − 22 =
- 35.60 − 41 =
- 36.57 − 18 =
- 37.91 − 51 =
- 38.64 − 51 =
- 39.81 − 61 =
- 40.58 − 22 =
Answer key
- 18
- 40
- 56
- 46
- 20
- 26
- 15
- 46
- 36
- 29
- 35
- 25
- 70
- 28
- 58
- 55
- 18
- 82
- 41
- 45
- 13
- 18
- 14
- 60
- 70
- 24
- 35
- 34
- 49
- 37
- 75
- 42
- 22
- 77
- 19
- 39
- 40
- 13
- 20
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths