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
- 1.65 − 15 =
- 2.70 − 52 =
- 3.99 − 31 =
- 4.99 − 38 =
- 5.58 − 37 =
- 6.60 − 41 =
- 7.57 − 15 =
- 8.81 − 67 =
- 9.53 − 41 =
- 10.99 − 71 =
- 11.52 − 18 =
- 12.74 − 44 =
- 13.89 − 75 =
- 14.65 − 27 =
- 15.69 − 12 =
- 16.92 − 66 =
- 17.61 − 19 =
- 18.64 − 28 =
- 19.99 − 21 =
- 20.54 − 22 =
- 21.63 − 23 =
- 22.52 − 12 =
- 23.63 − 13 =
- 24.93 − 79 =
- 25.73 − 54 =
- 26.63 − 34 =
- 27.72 − 31 =
- 28.55 − 41 =
- 29.56 − 27 =
- 30.62 − 31 =
- 31.69 − 22 =
- 32.85 − 61 =
- 33.65 − 48 =
- 34.90 − 65 =
- 35.81 − 27 =
- 36.70 − 33 =
- 37.67 − 38 =
- 38.62 − 14 =
- 39.76 − 37 =
- 40.54 − 39 =
Answer key
- 50
- 18
- 68
- 61
- 21
- 19
- 42
- 14
- 12
- 28
- 34
- 30
- 14
- 38
- 57
- 26
- 42
- 36
- 78
- 32
- 40
- 40
- 50
- 14
- 19
- 29
- 41
- 14
- 29
- 31
- 47
- 24
- 17
- 25
- 54
- 37
- 29
- 48
- 39
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths