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 − 21 =
- 2.66 − 44 =
- 3.75 − 25 =
- 4.76 − 59 =
- 5.60 − 28 =
- 6.62 − 32 =
- 7.85 − 26 =
- 8.85 − 68 =
- 9.96 − 66 =
- 10.53 − 19 =
- 11.84 − 61 =
- 12.97 − 58 =
- 13.66 − 32 =
- 14.69 − 51 =
- 15.67 − 34 =
- 16.99 − 76 =
- 17.59 − 37 =
- 18.93 − 27 =
- 19.54 − 13 =
- 20.86 − 72 =
- 21.88 − 77 =
- 22.70 − 52 =
- 23.95 − 46 =
- 24.62 − 18 =
- 25.80 − 69 =
- 26.56 − 33 =
- 27.55 − 21 =
- 28.74 − 14 =
- 29.73 − 35 =
- 30.99 − 86 =
- 31.83 − 71 =
- 32.69 − 44 =
- 33.56 − 19 =
- 34.69 − 52 =
- 35.82 − 63 =
- 36.80 − 51 =
- 37.93 − 44 =
- 38.56 − 31 =
- 39.91 − 69 =
- 40.69 − 33 =
Answer key
- 31
- 22
- 50
- 17
- 32
- 30
- 59
- 17
- 30
- 34
- 23
- 39
- 34
- 18
- 33
- 23
- 22
- 66
- 41
- 14
- 11
- 18
- 49
- 44
- 11
- 23
- 34
- 60
- 38
- 13
- 12
- 25
- 37
- 17
- 19
- 29
- 49
- 25
- 22
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths