Locate fractions on a number line
The idea
Mark 0 and 1, and divide that unit length into equal intervals.
Step by step
- Mark 0 and 1, and divide that unit length into equal intervals.
- The denominator names how many equal intervals make one whole.
- Count intervals from zero; the numerator names how many intervals you travel.
Example
A number line from 0 to 1 is divided into 3 equal intervals. A point is 1 interval(s) to the right of 0. Which fraction labels it?
Answer
Each interval is 1/3. Moving 1 intervals from 0 reaches 1/3.
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Draw a 0-to-1 number line with six equal intervals. Mark , and and explain the labels.
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