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
- 1.69 − 15 =
- 2.53 − 22 =
- 3.74 − 56 =
- 4.74 − 35 =
- 5.99 − 54 =
- 6.56 − 21 =
- 7.62 − 25 =
- 8.88 − 21 =
- 9.92 − 18 =
- 10.54 − 18 =
- 11.68 − 18 =
- 12.79 − 67 =
- 13.74 − 58 =
- 14.88 − 73 =
- 15.95 − 46 =
- 16.97 − 76 =
- 17.52 − 13 =
- 18.58 − 15 =
- 19.76 − 47 =
- 20.79 − 14 =
- 21.95 − 51 =
- 22.93 − 74 =
- 23.68 − 24 =
- 24.83 − 62 =
- 25.87 − 16 =
- 26.88 − 19 =
- 27.53 − 39 =
- 28.92 − 64 =
- 29.83 − 71 =
- 30.81 − 55 =
- 31.73 − 48 =
- 32.95 − 49 =
- 33.68 − 43 =
- 34.76 − 22 =
- 35.58 − 25 =
- 36.55 − 12 =
- 37.85 − 15 =
- 38.59 − 21 =
- 39.83 − 37 =
- 40.79 − 51 =
Answer key
- 54
- 31
- 18
- 39
- 45
- 35
- 37
- 67
- 74
- 36
- 50
- 12
- 16
- 15
- 49
- 21
- 39
- 43
- 29
- 65
- 44
- 19
- 44
- 21
- 71
- 69
- 14
- 28
- 12
- 26
- 25
- 46
- 25
- 54
- 33
- 43
- 70
- 38
- 46
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths