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
- 1.78 − 41 =
- 2.66 − 45 =
- 3.66 − 51 =
- 4.53 − 18 =
- 5.83 − 62 =
- 6.64 − 25 =
- 7.73 − 12 =
- 8.87 − 53 =
- 9.62 − 13 =
- 10.66 − 13 =
- 11.52 − 37 =
- 12.62 − 33 =
- 13.87 − 61 =
- 14.72 − 18 =
- 15.90 − 58 =
- 16.88 − 47 =
- 17.53 − 15 =
- 18.81 − 57 =
- 19.83 − 32 =
- 20.73 − 51 =
- 21.95 − 17 =
- 22.63 − 48 =
- 23.58 − 48 =
- 24.58 − 47 =
- 25.68 − 54 =
- 26.94 − 77 =
- 27.88 − 27 =
- 28.64 − 21 =
- 29.59 − 37 =
- 30.91 − 73 =
- 31.97 − 87 =
- 32.88 − 16 =
- 33.64 − 13 =
- 34.85 − 69 =
- 35.55 − 33 =
- 36.91 − 34 =
- 37.85 − 68 =
- 38.73 − 47 =
- 39.75 − 21 =
- 40.93 − 73 =
Answer key
- 37
- 21
- 15
- 35
- 21
- 39
- 61
- 34
- 49
- 53
- 15
- 29
- 26
- 54
- 32
- 41
- 38
- 24
- 51
- 22
- 78
- 15
- 10
- 11
- 14
- 17
- 61
- 43
- 22
- 18
- 10
- 72
- 51
- 16
- 22
- 57
- 17
- 26
- 54
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths