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
- 1.63 − 18 =
- 2.55 − 36 =
- 3.93 − 53 =
- 4.80 − 39 =
- 5.56 − 32 =
- 6.57 − 44 =
- 7.59 − 24 =
- 8.64 − 21 =
- 9.98 − 75 =
- 10.63 − 21 =
- 11.70 − 27 =
- 12.62 − 16 =
- 13.52 − 34 =
- 14.56 − 41 =
- 15.60 − 33 =
- 16.96 − 23 =
- 17.77 − 61 =
- 18.87 − 21 =
- 19.56 − 26 =
- 20.76 − 24 =
- 21.81 − 62 =
- 22.88 − 68 =
- 23.53 − 32 =
- 24.85 − 52 =
- 25.72 − 57 =
- 26.65 − 16 =
- 27.54 − 13 =
- 28.70 − 44 =
- 29.66 − 46 =
- 30.59 − 29 =
- 31.99 − 77 =
- 32.98 − 33 =
- 33.70 − 45 =
- 34.67 − 48 =
- 35.96 − 21 =
- 36.82 − 66 =
- 37.62 − 13 =
- 38.77 − 41 =
- 39.66 − 16 =
- 40.90 − 77 =
Answer key
- 45
- 19
- 40
- 41
- 24
- 13
- 35
- 43
- 23
- 42
- 43
- 46
- 18
- 15
- 27
- 73
- 16
- 66
- 30
- 52
- 19
- 20
- 21
- 33
- 15
- 49
- 41
- 26
- 20
- 30
- 22
- 65
- 25
- 19
- 75
- 16
- 49
- 36
- 50
- 13
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths