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 − 71 =
- 2.78 − 27 =
- 3.73 − 22 =
- 4.53 − 41 =
- 5.67 − 21 =
- 6.71 − 59 =
- 7.83 − 48 =
- 8.68 − 55 =
- 9.65 − 14 =
- 10.93 − 51 =
- 11.61 − 18 =
- 12.56 − 15 =
- 13.80 − 49 =
- 14.67 − 51 =
- 15.64 − 24 =
- 16.66 − 36 =
- 17.77 − 29 =
- 18.61 − 37 =
- 19.69 − 19 =
- 20.62 − 12 =
- 21.55 − 21 =
- 22.95 − 63 =
- 23.78 − 23 =
- 24.55 − 28 =
- 25.66 − 24 =
- 26.56 − 41 =
- 27.76 − 12 =
- 28.74 − 59 =
- 29.74 − 33 =
- 30.90 − 43 =
- 31.54 − 16 =
- 32.62 − 41 =
- 33.98 − 85 =
- 34.81 − 21 =
- 35.87 − 37 =
- 36.83 − 36 =
- 37.52 − 27 =
- 38.60 − 49 =
- 39.71 − 44 =
- 40.67 − 31 =
Answer key
- 24
- 51
- 51
- 12
- 46
- 12
- 35
- 13
- 51
- 42
- 43
- 41
- 31
- 16
- 40
- 30
- 48
- 24
- 50
- 50
- 34
- 32
- 55
- 27
- 42
- 15
- 64
- 15
- 41
- 47
- 38
- 21
- 13
- 60
- 50
- 47
- 25
- 11
- 27
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths