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
- 1.76 − 39 =
- 2.69 − 14 =
- 3.86 − 68 =
- 4.58 − 29 =
- 5.53 − 34 =
- 6.72 − 31 =
- 7.79 − 65 =
- 8.72 − 47 =
- 9.75 − 43 =
- 10.98 − 69 =
- 11.65 − 15 =
- 12.68 − 22 =
- 13.94 − 58 =
- 14.58 − 46 =
- 15.52 − 21 =
- 16.53 − 22 =
- 17.78 − 23 =
- 18.81 − 25 =
- 19.94 − 24 =
- 20.80 − 59 =
- 21.99 − 81 =
- 22.94 − 47 =
- 23.70 − 22 =
- 24.57 − 29 =
- 25.76 − 38 =
- 26.63 − 48 =
- 27.77 − 42 =
- 28.64 − 16 =
- 29.69 − 12 =
- 30.80 − 19 =
- 31.72 − 52 =
- 32.92 − 63 =
- 33.83 − 52 =
- 34.73 − 61 =
- 35.96 − 15 =
- 36.55 − 38 =
- 37.87 − 76 =
- 38.71 − 17 =
- 39.52 − 39 =
- 40.53 − 29 =
Answer key
- 37
- 55
- 18
- 29
- 19
- 41
- 14
- 25
- 32
- 29
- 50
- 46
- 36
- 12
- 31
- 31
- 55
- 56
- 70
- 21
- 18
- 47
- 48
- 28
- 38
- 15
- 35
- 48
- 57
- 61
- 20
- 29
- 31
- 12
- 81
- 17
- 11
- 54
- 13
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths