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
- 1.77 − 23 =
- 2.66 − 51 =
- 3.74 − 52 =
- 4.62 − 38 =
- 5.64 − 27 =
- 6.85 − 65 =
- 7.55 − 35 =
- 8.66 − 16 =
- 9.69 − 55 =
- 10.94 − 47 =
- 11.99 − 54 =
- 12.91 − 25 =
- 13.94 − 55 =
- 14.63 − 26 =
- 15.96 − 66 =
- 16.97 − 35 =
- 17.58 − 33 =
- 18.62 − 14 =
- 19.95 − 24 =
- 20.60 − 23 =
- 21.80 − 68 =
- 22.96 − 16 =
- 23.88 − 64 =
- 24.84 − 49 =
- 25.83 − 65 =
- 26.87 − 46 =
- 27.59 − 44 =
- 28.62 − 13 =
- 29.91 − 21 =
- 30.77 − 55 =
- 31.88 − 45 =
- 32.89 − 51 =
- 33.62 − 32 =
- 34.96 − 24 =
- 35.71 − 41 =
- 36.88 − 41 =
- 37.82 − 41 =
- 38.58 − 21 =
- 39.69 − 14 =
- 40.55 − 28 =
Answer key
- 54
- 15
- 22
- 24
- 37
- 20
- 20
- 50
- 14
- 47
- 45
- 66
- 39
- 37
- 30
- 62
- 25
- 48
- 71
- 37
- 12
- 80
- 24
- 35
- 18
- 41
- 15
- 49
- 70
- 22
- 43
- 38
- 30
- 72
- 30
- 47
- 41
- 37
- 55
- 27
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths