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
- 1.58 − 39 =
- 2.68 − 58 =
- 3.84 − 35 =
- 4.55 − 31 =
- 5.83 − 59 =
- 6.86 − 57 =
- 7.60 − 46 =
- 8.66 − 56 =
- 9.74 − 21 =
- 10.54 − 28 =
- 11.56 − 31 =
- 12.61 − 21 =
- 13.60 − 18 =
- 14.95 − 19 =
- 15.68 − 14 =
- 16.69 − 12 =
- 17.57 − 25 =
- 18.96 − 51 =
- 19.80 − 64 =
- 20.55 − 21 =
- 21.72 − 25 =
- 22.89 − 41 =
- 23.69 − 53 =
- 24.67 − 48 =
- 25.64 − 14 =
- 26.72 − 57 =
- 27.69 − 45 =
- 28.99 − 52 =
- 29.68 − 27 =
- 30.84 − 62 =
- 31.52 − 37 =
- 32.62 − 37 =
- 33.79 − 41 =
- 34.63 − 21 =
- 35.59 − 33 =
- 36.80 − 21 =
- 37.53 − 12 =
- 38.84 − 13 =
- 39.87 − 43 =
- 40.53 − 17 =
Answer key
- 19
- 10
- 49
- 24
- 24
- 29
- 14
- 10
- 53
- 26
- 25
- 40
- 42
- 76
- 54
- 57
- 32
- 45
- 16
- 34
- 47
- 48
- 16
- 19
- 50
- 15
- 24
- 47
- 41
- 22
- 15
- 25
- 38
- 42
- 26
- 59
- 41
- 71
- 44
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths