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
- 1.99 − 33 =
- 2.82 − 38 =
- 3.84 − 53 =
- 4.68 − 42 =
- 5.57 − 15 =
- 6.57 − 18 =
- 7.70 − 43 =
- 8.97 − 19 =
- 9.60 − 41 =
- 10.61 − 36 =
- 11.76 − 44 =
- 12.92 − 52 =
- 13.81 − 63 =
- 14.75 − 14 =
- 15.56 − 36 =
- 16.83 − 41 =
- 17.91 − 76 =
- 18.80 − 16 =
- 19.94 − 56 =
- 20.86 − 76 =
- 21.78 − 21 =
- 22.95 − 64 =
- 23.95 − 24 =
- 24.86 − 43 =
- 25.85 − 62 =
- 26.68 − 32 =
- 27.92 − 42 =
- 28.76 − 31 =
- 29.54 − 34 =
- 30.64 − 27 =
- 31.84 − 61 =
- 32.91 − 28 =
- 33.88 − 24 =
- 34.80 − 37 =
- 35.99 − 23 =
- 36.72 − 12 =
- 37.53 − 13 =
- 38.52 − 38 =
- 39.90 − 48 =
- 40.80 − 62 =
Answer key
- 66
- 44
- 31
- 26
- 42
- 39
- 27
- 78
- 19
- 25
- 32
- 40
- 18
- 61
- 20
- 42
- 15
- 64
- 38
- 10
- 57
- 31
- 71
- 43
- 23
- 36
- 50
- 45
- 20
- 37
- 23
- 63
- 64
- 43
- 76
- 60
- 40
- 14
- 42
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths