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 − 63 =
- 2.99 − 13 =
- 3.90 − 35 =
- 4.57 − 19 =
- 5.64 − 37 =
- 6.88 − 15 =
- 7.60 − 14 =
- 8.93 − 62 =
- 9.91 − 25 =
- 10.69 − 15 =
- 11.98 − 61 =
- 12.91 − 81 =
- 13.70 − 59 =
- 14.64 − 44 =
- 15.61 − 19 =
- 16.80 − 32 =
- 17.64 − 33 =
- 18.57 − 14 =
- 19.71 − 48 =
- 20.93 − 25 =
- 21.72 − 13 =
- 22.90 − 48 =
- 23.90 − 53 =
- 24.56 − 22 =
- 25.70 − 24 =
- 26.89 − 61 =
- 27.66 − 42 =
- 28.66 − 36 =
- 29.58 − 18 =
- 30.60 − 33 =
- 31.67 − 31 =
- 32.72 − 42 =
- 33.55 − 21 =
- 34.64 − 48 =
- 35.98 − 73 =
- 36.95 − 36 =
- 37.69 − 43 =
- 38.54 − 31 =
- 39.88 − 51 =
- 40.70 − 23 =
Answer key
- 13
- 86
- 55
- 38
- 27
- 73
- 46
- 31
- 66
- 54
- 37
- 10
- 11
- 20
- 42
- 48
- 31
- 43
- 23
- 68
- 59
- 42
- 37
- 34
- 46
- 28
- 24
- 30
- 40
- 27
- 36
- 30
- 34
- 16
- 25
- 59
- 26
- 23
- 37
- 47
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths