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
- 1.95 − 66 =
- 2.95 − 48 =
- 3.61 − 18 =
- 4.65 − 29 =
- 5.72 − 27 =
- 6.81 − 33 =
- 7.53 − 14 =
- 8.55 − 32 =
- 9.69 − 38 =
- 10.68 − 28 =
- 11.85 − 54 =
- 12.79 − 46 =
- 13.80 − 55 =
- 14.68 − 12 =
- 15.81 − 47 =
- 16.54 − 19 =
- 17.71 − 19 =
- 18.76 − 38 =
- 19.52 − 12 =
- 20.65 − 25 =
- 21.65 − 16 =
- 22.99 − 59 =
- 23.98 − 29 =
- 24.64 − 51 =
- 25.88 − 65 =
- 26.87 − 59 =
- 27.78 − 49 =
- 28.79 − 54 =
- 29.90 − 58 =
- 30.83 − 23 =
- 31.53 − 38 =
- 32.70 − 59 =
- 33.74 − 19 =
- 34.73 − 32 =
- 35.99 − 31 =
- 36.86 − 64 =
- 37.63 − 16 =
- 38.63 − 49 =
- 39.83 − 69 =
- 40.52 − 26 =
Answer key
- 29
- 47
- 43
- 36
- 45
- 48
- 39
- 23
- 31
- 40
- 31
- 33
- 25
- 56
- 34
- 35
- 52
- 38
- 40
- 40
- 49
- 40
- 69
- 13
- 23
- 28
- 29
- 25
- 32
- 60
- 15
- 11
- 55
- 41
- 68
- 22
- 47
- 14
- 14
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths