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
- 1.55 − 31 =
- 2.87 − 48 =
- 3.74 − 13 =
- 4.87 − 45 =
- 5.63 − 32 =
- 6.52 − 39 =
- 7.93 − 41 =
- 8.91 − 57 =
- 9.79 − 24 =
- 10.98 − 26 =
- 11.65 − 28 =
- 12.68 − 27 =
- 13.80 − 69 =
- 14.65 − 42 =
- 15.53 − 37 =
- 16.84 − 24 =
- 17.75 − 53 =
- 18.72 − 14 =
- 19.99 − 22 =
- 20.63 − 45 =
- 21.67 − 46 =
- 22.65 − 15 =
- 23.71 − 28 =
- 24.93 − 61 =
- 25.86 − 39 =
- 26.53 − 13 =
- 27.88 − 44 =
- 28.99 − 64 =
- 29.73 − 27 =
- 30.74 − 16 =
- 31.60 − 27 =
- 32.88 − 15 =
- 33.91 − 23 =
- 34.73 − 28 =
- 35.96 − 41 =
- 36.91 − 78 =
- 37.92 − 24 =
- 38.53 − 39 =
- 39.95 − 52 =
- 40.55 − 21 =
Answer key
- 24
- 39
- 61
- 42
- 31
- 13
- 52
- 34
- 55
- 72
- 37
- 41
- 11
- 23
- 16
- 60
- 22
- 58
- 77
- 18
- 21
- 50
- 43
- 32
- 47
- 40
- 44
- 35
- 46
- 58
- 33
- 73
- 68
- 45
- 55
- 13
- 68
- 14
- 43
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths