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
- 1.67 − 31 =
- 2.56 − 12 =
- 3.56 − 22 =
- 4.53 − 39 =
- 5.93 − 21 =
- 6.59 − 32 =
- 7.73 − 24 =
- 8.53 − 43 =
- 9.91 − 27 =
- 10.73 − 18 =
- 11.65 − 41 =
- 12.75 − 13 =
- 13.86 − 31 =
- 14.53 − 29 =
- 15.74 − 61 =
- 16.70 − 51 =
- 17.74 − 42 =
- 18.72 − 37 =
- 19.68 − 35 =
- 20.79 − 48 =
- 21.60 − 21 =
- 22.99 − 16 =
- 23.52 − 32 =
- 24.61 − 21 =
- 25.61 − 28 =
- 26.56 − 18 =
- 27.65 − 48 =
- 28.71 − 36 =
- 29.54 − 22 =
- 30.71 − 12 =
- 31.57 − 12 =
- 32.53 − 41 =
- 33.68 − 41 =
- 34.80 − 31 =
- 35.88 − 46 =
- 36.91 − 46 =
- 37.69 − 52 =
- 38.95 − 68 =
- 39.70 − 15 =
- 40.66 − 51 =
Answer key
- 36
- 44
- 34
- 14
- 72
- 27
- 49
- 10
- 64
- 55
- 24
- 62
- 55
- 24
- 13
- 19
- 32
- 35
- 33
- 31
- 39
- 83
- 20
- 40
- 33
- 38
- 17
- 35
- 32
- 59
- 45
- 12
- 27
- 49
- 42
- 45
- 17
- 27
- 55
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths