This task is from Tools for NC Teachers. Students explore a context where they divide a whole number by a unit fraction. This is remixable. 

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Part 1:

While making a bracelet, Rosa put a clear bead in the necklace every  1/6 of a foot. How many clear beads will Rosa use if she made a necklace that was…

a)     1 foot long?

b)    2 feet long?

c)     3 feet long?

In order to find your answers, create a visual fraction model and write an equation for each task.

Part 2:

What relationship do you notice between your three answers that you found?

Part 3:

If Rosa only had 30 clear beads what is the longest necklace that she could make? Write a sentence explaining how you know that you are correct.