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
- 1.62 − 21 =
- 2.91 − 16 =
- 3.80 − 61 =
- 4.87 − 77 =
- 5.86 − 64 =
- 6.73 − 55 =
- 7.85 − 38 =
- 8.57 − 31 =
- 9.52 − 37 =
- 10.79 − 15 =
- 11.63 − 43 =
- 12.84 − 28 =
- 13.66 − 34 =
- 14.60 − 45 =
- 15.64 − 31 =
- 16.72 − 43 =
- 17.54 − 31 =
- 18.91 − 76 =
- 19.61 − 21 =
- 20.88 − 27 =
- 21.74 − 31 =
- 22.94 − 61 =
- 23.75 − 15 =
- 24.76 − 66 =
- 25.69 − 38 =
- 26.93 − 61 =
- 27.93 − 64 =
- 28.84 − 15 =
- 29.71 − 21 =
- 30.63 − 13 =
- 31.68 − 38 =
- 32.89 − 61 =
- 33.98 − 35 =
- 34.89 − 28 =
- 35.61 − 13 =
- 36.90 − 67 =
- 37.77 − 53 =
- 38.67 − 35 =
- 39.85 − 35 =
- 40.97 − 23 =
Answer key
- 41
- 75
- 19
- 10
- 22
- 18
- 47
- 26
- 15
- 64
- 20
- 56
- 32
- 15
- 33
- 29
- 23
- 15
- 40
- 61
- 43
- 33
- 60
- 10
- 31
- 32
- 29
- 69
- 50
- 50
- 30
- 28
- 63
- 61
- 48
- 23
- 24
- 32
- 50
- 74
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths