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
- 1.64 − 51 =
- 2.96 − 48 =
- 3.97 − 48 =
- 4.56 − 46 =
- 5.94 − 69 =
- 6.62 − 51 =
- 7.55 − 43 =
- 8.60 − 21 =
- 9.66 − 14 =
- 10.86 − 44 =
- 11.69 − 14 =
- 12.91 − 61 =
- 13.82 − 34 =
- 14.58 − 34 =
- 15.84 − 46 =
- 16.80 − 16 =
- 17.63 − 38 =
- 18.99 − 51 =
- 19.80 − 69 =
- 20.63 − 48 =
- 21.63 − 18 =
- 22.65 − 13 =
- 23.70 − 15 =
- 24.80 − 44 =
- 25.94 − 38 =
- 26.80 − 24 =
- 27.74 − 57 =
- 28.66 − 35 =
- 29.75 − 15 =
- 30.63 − 53 =
- 31.92 − 45 =
- 32.74 − 26 =
- 33.59 − 42 =
- 34.87 − 16 =
- 35.63 − 37 =
- 36.67 − 21 =
- 37.60 − 28 =
- 38.90 − 19 =
- 39.60 − 18 =
- 40.79 − 38 =
Answer key
- 13
- 48
- 49
- 10
- 25
- 11
- 12
- 39
- 52
- 42
- 55
- 30
- 48
- 24
- 38
- 64
- 25
- 48
- 11
- 15
- 45
- 52
- 55
- 36
- 56
- 56
- 17
- 31
- 60
- 10
- 47
- 48
- 17
- 71
- 26
- 46
- 32
- 71
- 42
- 41
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths