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
- 1.83 − 29 =
- 2.84 − 36 =
- 3.89 − 46 =
- 4.97 − 17 =
- 5.69 − 15 =
- 6.57 − 16 =
- 7.69 − 39 =
- 8.99 − 21 =
- 9.65 − 17 =
- 10.59 − 17 =
- 11.96 − 39 =
- 12.93 − 16 =
- 13.71 − 39 =
- 14.61 − 15 =
- 15.90 − 69 =
- 16.86 − 24 =
- 17.83 − 55 =
- 18.98 − 28 =
- 19.62 − 47 =
- 20.74 − 28 =
- 21.88 − 13 =
- 22.88 − 21 =
- 23.55 − 35 =
- 24.60 − 33 =
- 25.97 − 37 =
- 26.96 − 51 =
- 27.56 − 29 =
- 28.59 − 41 =
- 29.64 − 23 =
- 30.64 − 21 =
- 31.93 − 72 =
- 32.57 − 45 =
- 33.93 − 65 =
- 34.72 − 28 =
- 35.74 − 56 =
- 36.75 − 62 =
- 37.88 − 67 =
- 38.93 − 54 =
- 39.55 − 29 =
- 40.65 − 18 =
Answer key
- 54
- 48
- 43
- 80
- 54
- 41
- 30
- 78
- 48
- 42
- 57
- 77
- 32
- 46
- 21
- 62
- 28
- 70
- 15
- 46
- 75
- 67
- 20
- 27
- 60
- 45
- 27
- 18
- 41
- 43
- 21
- 12
- 28
- 44
- 18
- 13
- 21
- 39
- 26
- 47
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths