Joy needed to put 5 gallons 3 quarts of gas into her boat on Monday and twice as much on Saturday. If she had an 18 gallon jug of gas available, did she have enough gas for both days?
Which tape diagram shows how much gas Joy used on each day?


Monday
5 gallons 3 quarts

Saturday
5 gallons 3 quarts
2 gallons

Monday
5 gallons 3 quarts

Saturday
5 gallons 3 quarts
5 gallons 3 quarts
You got it!
Which expression represents the problem?

Monday
5 gallons 3 quarts

Saturday
5 gallons 3 quarts
5 gallons 3 quarts

5 gal 3 qt + 5 gal 3 qt + 5 gal 3 qt

(5 gal 3 qt + 5 gal 3 qt) − 5 gal 3 qt
Nice!
How do you want to solve this problem?

5 gal 3 qt + 5 gal 3 qt + 5 gal 3 qt

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