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 − 39 =
- 2.90 − 73 =
- 3.69 − 12 =
- 4.80 − 26 =
- 5.58 − 37 =
- 6.65 − 47 =
- 7.53 − 42 =
- 8.58 − 38 =
- 9.61 − 41 =
- 10.67 − 21 =
- 11.52 − 16 =
- 12.91 − 31 =
- 13.55 − 31 =
- 14.77 − 28 =
- 15.77 − 62 =
- 16.80 − 51 =
- 17.79 − 41 =
- 18.62 − 12 =
- 19.58 − 31 =
- 20.69 − 32 =
- 21.85 − 44 =
- 22.55 − 23 =
- 23.87 − 37 =
- 24.53 − 19 =
- 25.92 − 34 =
- 26.59 − 16 =
- 27.69 − 26 =
- 28.52 − 31 =
- 29.54 − 21 =
- 30.61 − 12 =
- 31.61 − 22 =
- 32.75 − 13 =
- 33.70 − 25 =
- 34.77 − 18 =
- 35.86 − 17 =
- 36.89 − 41 =
- 37.65 − 42 =
- 38.75 − 58 =
- 39.98 − 18 =
- 40.69 − 28 =
Answer key
- 30
- 17
- 57
- 54
- 21
- 18
- 11
- 20
- 20
- 46
- 36
- 60
- 24
- 49
- 15
- 29
- 38
- 50
- 27
- 37
- 41
- 32
- 50
- 34
- 58
- 43
- 43
- 21
- 33
- 49
- 39
- 62
- 45
- 59
- 69
- 48
- 23
- 17
- 80
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths