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
- 1.56 − 36 =
- 2.55 − 16 =
- 3.74 − 42 =
- 4.93 − 27 =
- 5.54 − 27 =
- 6.96 − 75 =
- 7.65 − 55 =
- 8.99 − 24 =
- 9.62 − 24 =
- 10.59 − 38 =
- 11.68 − 41 =
- 12.85 − 68 =
- 13.87 − 75 =
- 14.61 − 16 =
- 15.73 − 47 =
- 16.53 − 31 =
- 17.54 − 15 =
- 18.63 − 32 =
- 19.99 − 16 =
- 20.67 − 56 =
- 21.90 − 53 =
- 22.94 − 61 =
- 23.94 − 31 =
- 24.96 − 79 =
- 25.88 − 15 =
- 26.81 − 14 =
- 27.81 − 21 =
- 28.82 − 21 =
- 29.99 − 63 =
- 30.88 − 42 =
- 31.95 − 73 =
- 32.83 − 63 =
- 33.58 − 32 =
- 34.75 − 19 =
- 35.55 − 28 =
- 36.72 − 24 =
- 37.84 − 41 =
- 38.98 − 58 =
- 39.93 − 78 =
- 40.88 − 29 =
Answer key
- 20
- 39
- 32
- 66
- 27
- 21
- 10
- 75
- 38
- 21
- 27
- 17
- 12
- 45
- 26
- 22
- 39
- 31
- 83
- 11
- 37
- 33
- 63
- 17
- 73
- 67
- 60
- 61
- 36
- 46
- 22
- 20
- 26
- 56
- 27
- 48
- 43
- 40
- 15
- 59
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths