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
- 1.52 − 24 =
- 2.78 − 28 =
- 3.75 − 56 =
- 4.52 − 34 =
- 5.74 − 19 =
- 6.57 − 24 =
- 7.68 − 31 =
- 8.73 − 37 =
- 9.74 − 18 =
- 10.73 − 28 =
- 11.56 − 32 =
- 12.81 − 39 =
- 13.95 − 32 =
- 14.64 − 36 =
- 15.53 − 18 =
- 16.58 − 18 =
- 17.67 − 23 =
- 18.92 − 78 =
- 19.75 − 45 =
- 20.72 − 49 =
- 21.90 − 68 =
- 22.66 − 56 =
- 23.65 − 34 =
- 24.67 − 51 =
- 25.69 − 16 =
- 26.88 − 52 =
- 27.73 − 15 =
- 28.70 − 14 =
- 29.97 − 51 =
- 30.75 − 16 =
- 31.76 − 41 =
- 32.72 − 59 =
- 33.79 − 28 =
- 34.55 − 28 =
- 35.74 − 12 =
- 36.63 − 41 =
- 37.77 − 46 =
- 38.85 − 18 =
- 39.63 − 31 =
- 40.93 − 61 =
Answer key
- 28
- 50
- 19
- 18
- 55
- 33
- 37
- 36
- 56
- 45
- 24
- 42
- 63
- 28
- 35
- 40
- 44
- 14
- 30
- 23
- 22
- 10
- 31
- 16
- 53
- 36
- 58
- 56
- 46
- 59
- 35
- 13
- 51
- 27
- 62
- 22
- 31
- 67
- 32
- 32
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths