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
- 1.74 − 49 =
- 2.64 − 14 =
- 3.69 − 41 =
- 4.66 − 45 =
- 5.54 − 33 =
- 6.62 − 22 =
- 7.89 − 37 =
- 8.82 − 65 =
- 9.59 − 47 =
- 10.74 − 32 =
- 11.62 − 42 =
- 12.63 − 41 =
- 13.80 − 48 =
- 14.73 − 26 =
- 15.88 − 35 =
- 16.86 − 23 =
- 17.53 − 27 =
- 18.95 − 74 =
- 19.54 − 28 =
- 20.54 − 41 =
- 21.97 − 66 =
- 22.82 − 41 =
- 23.52 − 32 =
- 24.75 − 33 =
- 25.86 − 58 =
- 26.58 − 17 =
- 27.68 − 19 =
- 28.58 − 34 =
- 29.57 − 41 =
- 30.83 − 45 =
- 31.96 − 29 =
- 32.59 − 22 =
- 33.99 − 21 =
- 34.93 − 73 =
- 35.69 − 21 =
- 36.73 − 59 =
- 37.53 − 12 =
- 38.60 − 21 =
- 39.93 − 59 =
- 40.82 − 61 =
Answer key
- 25
- 50
- 28
- 21
- 21
- 40
- 52
- 17
- 12
- 42
- 20
- 22
- 32
- 47
- 53
- 63
- 26
- 21
- 26
- 13
- 31
- 41
- 20
- 42
- 28
- 41
- 49
- 24
- 16
- 38
- 67
- 37
- 78
- 20
- 48
- 14
- 41
- 39
- 34
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths