1. In Part 1, rectangle A shows 2 equal parts. What fraction is each part of the whole?

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   \frac{1}{2}

2. Rectangle B shows 4 equal parts. What fraction is each part?

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   \frac{1}{4}

3. What happens to the denominator of our fractions as the number of parts increases?  

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   It gets bigger.    

4. Look at rectangle C. The unit fraction is shaded. What is the numerator of any unit fraction?  

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   1

5. Look at rectangle D. What fraction is shaded?

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   \frac{3}{4}

6. Look at model E. Each rectangle is 1 whole. What fraction is each part of the model?

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   \frac{1}{6}

7. How many sixths are
   shaded in all?

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   9 sixths.

8. In Part 2, which number line shows the whole number 4 correctly? Why?

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   C; it starts numbering at 0,  there are four spaces between 0 and 4, and the lengths between the hash marks are spaced equally.

9. What is wrong with number line A?

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   The lengths between hash marks are not equal.

10. What is wrong with number line B?

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    Since there are 3 lengths from 0, the point labeled 4 actually represents the number 3.

11. On number line C, how many equal lengths are there from 0 to the point marked?

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    There are 4 equal lengths. This is why the point represents the number 4.

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