Decimal Constructed Response
Lee Anne and Mary got their allowance and went to their favorite store.
Item Cost
Sunglasses $14.72
Earrings $9.83
Cell Phone Case $18.32
Book Mark $2.75 A. Lee Anne has $30 to spend and wants to buy 3 pairs of sunglasses. She estimates by rounding $14.72 to the nearest ten, which is $10 and then multiplying 10 × 3=$30. Is Lee Anne's estimate reasonable? Explain how you know.
B. Mary buys a pair of earrings and two bookmarks. She pays with a twenty-dollar bill. How much change will she receive?
C. The store is running a special deal- Buy 3 pairs of earring, Get one pair free Lee Anne decide doesn't want sunglasses anymore. Will her $30 be enough to take advantage of this deal? Exp how you know.