# Coordinate systems to solve real world problems

Videos and solutions to help grade 5 students learn how to use coordinate systems to solve real world problems.

### New York State Common Core Math Grade 5, Module 6, Lesson 20

Topic D:Problem Solving in the Coordinate Plane

Lesson 20 Homework

1. Use the graph to answer the questions.
Johnny left his home at 6 a.m. and kept track of the number of kilometers he traveled at the end of each hour of his trip. He recorded the data in a line graph.
a. How far did Johnny travel in all? How long did it take?
b. Johnny took a one-hour break to have a snack and take some pictures. What time did he stop? How do you know?
c. Did Johnny cover more distance before his break or after? Explain.
d. Between which two hours did Johnny ride 4 kilometers?
e. Which hour did Johnny ride the fastest? Explain how you know.

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