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
- 1.59 − 21 =
- 2.57 − 44 =
- 3.91 − 39 =
- 4.75 − 37 =
- 5.81 − 27 =
- 6.95 − 43 =
- 7.61 − 39 =
- 8.93 − 31 =
- 9.74 − 38 =
- 10.66 − 29 =
- 11.70 − 52 =
- 12.99 − 88 =
- 13.62 − 46 =
- 14.91 − 66 =
- 15.93 − 71 =
- 16.91 − 57 =
- 17.95 − 69 =
- 18.56 − 28 =
- 19.88 − 21 =
- 20.71 − 13 =
- 21.52 − 17 =
- 22.96 − 63 =
- 23.95 − 16 =
- 24.56 − 46 =
- 25.66 − 41 =
- 26.61 − 31 =
- 27.92 − 15 =
- 28.75 − 13 =
- 29.61 − 23 =
- 30.56 − 27 =
- 31.80 − 21 =
- 32.63 − 33 =
- 33.53 − 41 =
- 34.75 − 41 =
- 35.83 − 48 =
- 36.95 − 77 =
- 37.58 − 44 =
- 38.72 − 51 =
- 39.53 − 17 =
- 40.65 − 48 =
Answer key
- 38
- 13
- 52
- 38
- 54
- 52
- 22
- 62
- 36
- 37
- 18
- 11
- 16
- 25
- 22
- 34
- 26
- 28
- 67
- 58
- 35
- 33
- 79
- 10
- 25
- 30
- 77
- 62
- 38
- 29
- 59
- 30
- 12
- 34
- 35
- 18
- 14
- 21
- 36
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths