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 − 42 =
- 2.73 − 21 =
- 3.99 − 89 =
- 4.98 − 63 =
- 5.68 − 19 =
- 6.75 − 59 =
- 7.54 − 21 =
- 8.72 − 52 =
- 9.56 − 19 =
- 10.90 − 34 =
- 11.95 − 61 =
- 12.88 − 42 =
- 13.83 − 18 =
- 14.74 − 18 =
- 15.53 − 18 =
- 16.94 − 61 =
- 17.99 − 16 =
- 18.56 − 18 =
- 19.53 − 31 =
- 20.97 − 56 =
- 21.55 − 19 =
- 22.56 − 36 =
- 23.91 − 44 =
- 24.99 − 79 =
- 25.72 − 22 =
- 26.97 − 34 =
- 27.54 − 41 =
- 28.69 − 54 =
- 29.96 − 69 =
- 30.97 − 17 =
- 31.90 − 68 =
- 32.60 − 47 =
- 33.69 − 52 =
- 34.85 − 43 =
- 35.59 − 48 =
- 36.52 − 19 =
- 37.67 − 51 =
- 38.78 − 41 =
- 39.92 − 49 =
- 40.67 − 27 =
Answer key
- 34
- 52
- 10
- 35
- 49
- 16
- 33
- 20
- 37
- 56
- 34
- 46
- 65
- 56
- 35
- 33
- 83
- 38
- 22
- 41
- 36
- 20
- 47
- 20
- 50
- 63
- 13
- 15
- 27
- 80
- 22
- 13
- 17
- 42
- 11
- 33
- 16
- 37
- 43
- 40
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths