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 − 41 =
- 2.56 − 16 =
- 3.77 − 41 =
- 4.89 − 27 =
- 5.75 − 32 =
- 6.63 − 27 =
- 7.97 − 53 =
- 8.54 − 37 =
- 9.77 − 56 =
- 10.83 − 21 =
- 11.61 − 32 =
- 12.67 − 13 =
- 13.96 − 31 =
- 14.62 − 37 =
- 15.60 − 15 =
- 16.87 − 17 =
- 17.53 − 18 =
- 18.88 − 56 =
- 19.55 − 15 =
- 20.73 − 24 =
- 21.75 − 15 =
- 22.99 − 64 =
- 23.53 − 16 =
- 24.62 − 27 =
- 25.91 − 21 =
- 26.54 − 24 =
- 27.57 − 47 =
- 28.57 − 42 =
- 29.85 − 24 =
- 30.64 − 44 =
- 31.91 − 35 =
- 32.89 − 56 =
- 33.54 − 41 =
- 34.98 − 61 =
- 35.91 − 14 =
- 36.61 − 14 =
- 37.65 − 45 =
- 38.86 − 19 =
- 39.91 − 68 =
- 40.53 − 15 =
Answer key
- 14
- 40
- 36
- 62
- 43
- 36
- 44
- 17
- 21
- 62
- 29
- 54
- 65
- 25
- 45
- 70
- 35
- 32
- 40
- 49
- 60
- 35
- 37
- 35
- 70
- 30
- 10
- 15
- 61
- 20
- 56
- 33
- 13
- 37
- 77
- 47
- 20
- 67
- 23
- 38
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths