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Solve It! You are playing a video game. You reach a locked gate. The lock is square with 9 sections. You can make a key by placing a red or yellow block in each section. Near the gate is a carving of a pattern of squares.
The key to the gate is the eighth image in the pattern. Sketch the key to the gate on the canvas.
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Problem 1 Got It? Look at the figures from left to right. What is the pattern?
Problem 1 Got It? Look at the figures from left to right. Sketch the next figure in the pattern on the canvas.
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Take Note: Define constants as they apply to this lesson.
Take Note: Define variable quantities (aka variables).
Take Note: Provide an example of a numerical expression.
NOTE: This is a numeric Formative item. For items like this, complete sentences are NOT required.
Take Note: Provide an example of an algebraic expression.

Problem 2 Got It? How many tiles are in the 25th figure in this pattern? Use a table of values with a process column.
Respond with only a number and no spaces.
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Problem 3 Got It? How much do six platys cost? Enter only a whole dollar amount with a dollar sign. Use this format: $21
Problem 3 Got It? How much do ten platy's cost? Enter only a whole dollar amount with a dollar sign. Use this format: $21
Problem 3 Got It? Reasoning: Why is the graph in Problem 3, shown below, a line while the graph shown here is a set of points?


🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?
Take Note: What is a process column and how is it helpful?
NOTE: This is a free response Formative item. You can add a variety of media to construct and illustrate your response. Consider what you can use to best demonstrate your understanding: images, a Formative canvas, audio, video, written response, etc.