Headline Story
Fun with Algebra, #7
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Introduction
After reading over the story, you may need to reassure the students that two-dollar bills do exist! Also, students may forget about half-dollar and dollar coins, so you may need to remind them that there are six possible coins for the change.
Headline Story
Sandy bought some things at the store and paid with a two-dollar bill. The change was five coins, but none of the coins had the same value as any other coin. What could the amount of Sandy’s purchase have been?
Possible student responses
- There are six coins: penny (P), nickel (N), dime (D), quarter (Q), half-dollar (H) and dollar ($). So there is only one coin that is not used.
- The amount of her purchase could have been $0.10, $0.14, $0.19, $0.34, $0.59, or $1.09.
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