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
- 1.69 − 31 =
- 2.52 − 18 =
- 3.63 − 25 =
- 4.72 − 48 =
- 5.52 − 31 =
- 6.80 − 16 =
- 7.98 − 74 =
- 8.94 − 79 =
- 9.93 − 48 =
- 10.68 − 23 =
- 11.58 − 34 =
- 12.81 − 52 =
- 13.69 − 41 =
- 14.74 − 61 =
- 15.76 − 18 =
- 16.60 − 45 =
- 17.91 − 61 =
- 18.56 − 37 =
- 19.56 − 16 =
- 20.93 − 63 =
- 21.72 − 28 =
- 22.62 − 13 =
- 23.90 − 63 =
- 24.89 − 61 =
- 25.89 − 55 =
- 26.91 − 36 =
- 27.63 − 47 =
- 28.66 − 35 =
- 29.80 − 21 =
- 30.65 − 32 =
- 31.61 − 14 =
- 32.75 − 22 =
- 33.74 − 49 =
- 34.99 − 14 =
- 35.90 − 43 =
- 36.90 − 32 =
- 37.91 − 34 =
- 38.70 − 24 =
- 39.91 − 81 =
- 40.71 − 16 =
Answer key
- 38
- 34
- 38
- 24
- 21
- 64
- 24
- 15
- 45
- 45
- 24
- 29
- 28
- 13
- 58
- 15
- 30
- 19
- 40
- 30
- 44
- 49
- 27
- 28
- 34
- 55
- 16
- 31
- 59
- 33
- 47
- 53
- 25
- 85
- 47
- 58
- 57
- 46
- 10
- 55
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths