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
- 1.56 − 22 =
- 2.78 − 24 =
- 3.65 − 17 =
- 4.67 − 38 =
- 5.57 − 27 =
- 6.77 − 42 =
- 7.60 − 25 =
- 8.56 − 16 =
- 9.88 − 14 =
- 10.57 − 39 =
- 11.66 − 28 =
- 12.67 − 15 =
- 13.65 − 24 =
- 14.63 − 29 =
- 15.93 − 37 =
- 16.59 − 44 =
- 17.68 − 14 =
- 18.99 − 33 =
- 19.63 − 18 =
- 20.54 − 19 =
- 21.66 − 38 =
- 22.53 − 21 =
- 23.59 − 21 =
- 24.65 − 41 =
- 25.99 − 64 =
- 26.70 − 19 =
- 27.61 − 38 =
- 28.67 − 24 =
- 29.67 − 12 =
- 30.77 − 44 =
- 31.87 − 52 =
- 32.68 − 24 =
- 33.87 − 44 =
- 34.92 − 51 =
- 35.69 − 32 =
- 36.54 − 37 =
- 37.56 − 38 =
- 38.97 − 27 =
- 39.82 − 12 =
- 40.80 − 51 =
Answer key
- 34
- 54
- 48
- 29
- 30
- 35
- 35
- 40
- 74
- 18
- 38
- 52
- 41
- 34
- 56
- 15
- 54
- 66
- 45
- 35
- 28
- 32
- 38
- 24
- 35
- 51
- 23
- 43
- 55
- 33
- 35
- 44
- 43
- 41
- 37
- 17
- 18
- 70
- 70
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths