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 − 34 =
- 2.62 − 21 =
- 3.77 − 41 =
- 4.64 − 31 =
- 5.67 − 12 =
- 6.55 − 19 =
- 7.65 − 25 =
- 8.68 − 49 =
- 9.74 − 44 =
- 10.76 − 66 =
- 11.95 − 31 =
- 12.53 − 27 =
- 13.65 − 45 =
- 14.70 − 21 =
- 15.93 − 45 =
- 16.52 − 13 =
- 17.59 − 45 =
- 18.77 − 24 =
- 19.86 − 73 =
- 20.80 − 66 =
- 21.87 − 25 =
- 22.60 − 37 =
- 23.85 − 56 =
- 24.81 − 14 =
- 25.55 − 45 =
- 26.85 − 48 =
- 27.54 − 33 =
- 28.91 − 79 =
- 29.77 − 67 =
- 30.72 − 33 =
- 31.99 − 58 =
- 32.64 − 47 =
- 33.63 − 39 =
- 34.64 − 48 =
- 35.88 − 73 =
- 36.99 − 51 =
- 37.61 − 29 =
- 38.95 − 81 =
- 39.73 − 43 =
- 40.53 − 28 =
Answer key
- 53
- 41
- 36
- 33
- 55
- 36
- 40
- 19
- 30
- 10
- 64
- 26
- 20
- 49
- 48
- 39
- 14
- 53
- 13
- 14
- 62
- 23
- 29
- 67
- 10
- 37
- 21
- 12
- 10
- 39
- 41
- 17
- 24
- 16
- 15
- 48
- 32
- 14
- 30
- 25
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths