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
- 1.87 − 18 =
- 2.63 − 21 =
- 3.71 − 39 =
- 4.61 − 27 =
- 5.86 − 63 =
- 6.72 − 62 =
- 7.99 − 56 =
- 8.59 − 46 =
- 9.85 − 75 =
- 10.81 − 42 =
- 11.64 − 26 =
- 12.98 − 27 =
- 13.67 − 35 =
- 14.98 − 61 =
- 15.88 − 27 =
- 16.68 − 28 =
- 17.93 − 19 =
- 18.92 − 42 =
- 19.62 − 17 =
- 20.54 − 35 =
- 21.67 − 19 =
- 22.61 − 44 =
- 23.58 − 28 =
- 24.86 − 68 =
- 25.79 − 44 =
- 26.98 − 19 =
- 27.95 − 62 =
- 28.97 − 25 =
- 29.52 − 29 =
- 30.90 − 15 =
- 31.94 − 33 =
- 32.66 − 21 =
- 33.90 − 69 =
- 34.61 − 23 =
- 35.63 − 41 =
- 36.75 − 45 =
- 37.68 − 38 =
- 38.81 − 14 =
- 39.95 − 35 =
- 40.74 − 39 =
Answer key
- 69
- 42
- 32
- 34
- 23
- 10
- 43
- 13
- 10
- 39
- 38
- 71
- 32
- 37
- 61
- 40
- 74
- 50
- 45
- 19
- 48
- 17
- 30
- 18
- 35
- 79
- 33
- 72
- 23
- 75
- 61
- 45
- 21
- 38
- 22
- 30
- 30
- 67
- 60
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths