Subtracting Tens

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Subtracting Tens: Learn

Subtracting tens such as (80 - 20 = 60) is like subtracting quantities of items. In this case 2 tens are subtracted from 8 tens to leave 6 tens. This is similar to 2 oranges being subtracted from 8 oranges to leave 6 oranges.

How to subtract two-digit numbers (for example 80 - 20).

  • Place the first number above the other so the tens' place digits and ones' place digits are lined up. Draw a line under the bottom number.
    8 0
    - 2 0
  • Subtract the two ones' place digits. (0 - 0 = 0). Place the zero below the line in the ones' place column.
    8 0
    - 2 0
    0
  • Subtract the numbers in the tens' place column (8 - 2 = 6) and place the answer below the line and to the left of the ones' place sum.
    8 0
    - 2 0
    6 0

Subtracting Tens: Practice

What is the difference between the two numbers?

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- =

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Game Name Description Best Score
How many correct answers can you get in 60 seconds? 0
Extra time is awarded for each correct answer.
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How fast can you get 20 more correct answers than wrong answers? 999

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