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 − 35 =
- 2.86 − 39 =
- 3.62 − 37 =
- 4.58 − 34 =
- 5.66 − 33 =
- 6.77 − 53 =
- 7.65 − 52 =
- 8.59 − 21 =
- 9.64 − 36 =
- 10.66 − 24 =
- 11.93 − 43 =
- 12.81 − 23 =
- 13.75 − 19 =
- 14.59 − 18 =
- 15.61 − 46 =
- 16.91 − 21 =
- 17.58 − 47 =
- 18.94 − 63 =
- 19.63 − 33 =
- 20.74 − 25 =
- 21.62 − 14 =
- 22.98 − 48 =
- 23.89 − 58 =
- 24.53 − 17 =
- 25.74 − 38 =
- 26.54 − 28 =
- 27.96 − 44 =
- 28.65 − 41 =
- 29.61 − 12 =
- 30.59 − 34 =
- 31.59 − 36 =
- 32.62 − 44 =
- 33.97 − 53 =
- 34.91 − 51 =
- 35.97 − 49 =
- 36.74 − 14 =
- 37.88 − 63 =
- 38.84 − 29 =
- 39.63 − 21 =
- 40.75 − 29 =
Answer key
- 21
- 47
- 25
- 24
- 33
- 24
- 13
- 38
- 28
- 42
- 50
- 58
- 56
- 41
- 15
- 70
- 11
- 31
- 30
- 49
- 48
- 50
- 31
- 36
- 36
- 26
- 52
- 24
- 49
- 25
- 23
- 18
- 44
- 40
- 48
- 60
- 25
- 55
- 42
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths