Miguel and Heather are building a model of human lungs for the science fair. Together they have worked 3/4 hour. Miguel has worked twice as long as Heather.

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Presentation transcript:

Miguel and Heather are building a model of human lungs for the science fair. Together they have worked 3/4 hour. Miguel has worked twice as long as Heather has. How long has each student worked? Miguel Heather > 3/4 Miguel has worked 2/4 or 1/2 hour Heather has worked 1/4 Together they worked 3/4

Josh worked 3/4 hour on a science fair project. That’s three times as long as Chester worked. How many hours did they work in all? Josh Chester Together they worked 1 hour

Sarah and Flora won the science fair. Sarah worked 2 /3 hours on their project, and Flora worked 1/2 hour more than Sarah. How much time did they work altogether? Sarah Flora 2 1/ /3 + 1/2 = 5 1/6 hour

Ask Yourself What facts do I know? Did I draw a diagram? Did I make the right number of strips? Did I label the strips? Did I find the number of strips that each strip represents? Did I solve the problem?

Class Practice Each group is assigned 1 question from Practice 10.7 Illustrate the question on a whiteboard app Be prepared to teach your question to the class