**Learning Targets:**

- I can find horizontal and vertical distances between points on the coordinate plane.

**Related Pages**

Illustrative Math

Grade 6

Let’s explore distance on the coordinate plane.

Illustrative Math Unit 6.7, Lesson 14 (printable worksheets)

The following diagram shows the signs and distance of points in the coordinate plane.

Plot points in your assigned quadrant and label them with their coordinates.

Show Coordinate Plane

Scroll down the page for the solutions to the “Are you ready for more?” section.

- Next to each point, write its coordinates with the Text tool or Pen tool.

Show Coordinate Plane - Answer these questions for each pair of points.

- How are the coordinates the same? How are they different?
- How far away are they from the y-axis? To the left or to the right of it?
- How far away are they from the x-axis? Above or below it?

a. A and B

b. B and D

c. A and D

Pause here for a class discussion.

- Point F has the same coordinates as point C, except its y-coordinate has the opposite sign.

a. Plot point F on the coordinate plane and label it with its coordinates.

b. How far away are F and C from the x-axis?

c. What is the distance between F and C? - Point G has the same coordinates as point E, except its x-coordinate has the opposite sign.

a. Plot point G on the coordinate plane and label it with its coordinates.

b. How far away are G and E from the y-axis?

c. What is the distance between G and E? - Point H has the same coordinates as point B, except both of its coordinates have the opposite signs. In which quadrant is point H?

- Label each point with its coordinates.

Show Coordinate Plane - Find the distance between each of the following pairs of points.

a. Point B and C

b. Point D and B

c. Point D and E - Which of the points are 5 units from (-1.5,-3)?
- Which of the points are 2 units from (0.5,-4.5)?
- Plot a point that is both 2.5 units from A and 9 units from E. Label that point F and write down its coordinates.

Priya says, “There are exactly four points that are 3 units away from (-5,0).” Lin says, “I think there are a whole bunch of points that are 3 units away from (-5,0).”

Do you agree with either of them? Explain your reasoning.

- Here are 4 points on a coordinate plane.

a. Label each point with its coordinates.

b. Plot a point that is 3 units from point K. Label it P.

c. Plot a point that is 2 units from point M. Label it W. - Each set of points are connected to form a line segment. What is the length of each?

A = (3,5) and B = (3,6)

C = (-2,-3) and D = (-2,-6)

E = (-3,1) and F = (-3,-1) - On the coordinate plane, plot four points that are each 3 units away from point P=(-2,-1). Write the coordinates of each point.
- Noah’s recipe for sparkling orange juice uses 4 liters of orange juice and 5 liters of soda water.

a. Noah prepares large batches of sparkling orange juice for school parties. He usually knows the total number of liters, t, that he needs to prepare. Write an equation that shows how Noah can find s, the number of liters of soda water, if he knows t.

b. Sometimes the school purchases a certain number, j, of liters of orange juice and Noah needs to figure out how much sparkling orange juice he can make. Write an equation that Noah can use to find t if he knows j. - For a suitcase to be checked on a flight (instead of carried by hand), it can weigh at most 50 pounds. Andre’s suitcase weighs 23 kilograms. Can Andre check his suitcase? Explain or show your reasoning. (Note: 10 kilograms ≈ 22 pounds)

The Open Up Resources math curriculum is free to download from the Open Up Resources website and is also available from Illustrative Mathematics.

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