Fifth graders work in Quadrant I to lock down the basics of plotting. Students correct sentences like "the y-axis is the horizontal line" and "(0, 9) is 9 units to the right of the origin," then identify the x-coordinate in (5, 9) and decide which axis (8, 0) sits on. The short-answer prompts ask what every point on the x-axis has in common and explain Carlos's slip when he plotted (7, 3) by going 3 right and 7 up.
By the end, students can read an ordered pair, move right-then-up from the origin, and spot the most common reversal mistakes before they sneak into harder graphing work.
Style:
Coordinate Plane
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
The y-axis is the horizontal line on a coordinate plane.
Rewrite: The y-axis is the vertical line on a coordinate plane.
2. Fix the sentence:
The ordered pair (0, 9) is located 9 units to the right of the origin.
Rewrite: The ordered pair (0, 9) is located 9 units up from the origin.
3. Fix the sentence:
In the ordered pair (x, y), the second number tells how far to move right.
Rewrite: In the ordered pair (x, y), the second number tells how far to move up.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. In the ordered pair (5, 9), the x-coordinate is 5.
2. The ordered pair (8, 0) lies on the x-axis.
3. To plot (4, 6), move 4 units right and 6 units up.
4. A point with a y-coordinate of 0 lies on the x-axis.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. What do all points on the x-axis have in common? Give an example.
All points on the x-axis have a y-coordinate of 0. For example, (5, 0) sits on the x-axis because you move 5 units right but 0 units up.
2. Carlos plotted the point (7, 3) by moving 3 units right and 7 units up. What mistake did he make?
Carlos switched the coordinates. The first number is the x-coordinate, so he should move 7 units right. The second number is the y-coordinate, so he should move 3 units up. The correct plot goes 7 right and 3 up.
Coordinate Plane
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
The y-axis is the horizontal line on a coordinate plane.
Rewrite: The y-axis is the vertical line on a coordinate plane.
2) Fix the sentence:
The ordered pair (0, 9) is located 9 units to the right of the origin.
Rewrite: The ordered pair (0, 9) is located 9 units up from the origin.
3) Fix the sentence:
In the ordered pair (x, y), the second number tells how far to move right.
Rewrite: In the ordered pair (x, y), the second number tells how far to move up.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) In the ordered pair (5, 9), the x-coordinate is 5.
2) The ordered pair (8, 0) lies on the x-axis.
3) To plot (4, 6), move 4 units right and 6 units up.
4) A point with a y-coordinate of 0 lies on the x-axis.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) What do all points on the x-axis have in common? Give an example.
All points on the x-axis have a y-coordinate of 0. For example, (5, 0) sits on the x-axis because you move 5 units right but 0 units up.
2) Carlos plotted the point (7, 3) by moving 3 units right and 7 units up. What mistake did he make?
Carlos switched the coordinates. The first number is the x-coordinate, so he should move 7 units right. The second number is the y-coordinate, so he should move 3 units up. The correct plot goes 7 right and 3 up.
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