Algebra 1 2-7 Guided Practice: Solving Proportions

Last updated almost 3 years ago
22 questions
3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Solve It! You are making beaded necklaces, using a pattern in which 2 large red beads are followed by 3 small blue beads. Each set of 5 beads adds 1.25 in. to the length of the necklace. How many of each color bead will you need for a 20-in necklace?

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Explain your answer.

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Take Note: Define ratio.

5

Take Note: Provide an example of a simplified ratio.

10

Take Note: Define proportion.

5

Take Note: Provide an example of a proportion.

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Problem 1 Got It? What is the solution of the proportion?

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Take Note: Define cross products.

5

Take Note: Fill in the blank:

The cross products of a __________ are equal.

5

Take Note: Fill in the blank:

Assume that \frac{a}{b}=\frac{c}{d}, b\neq 0, and d\neq0.
ad=_____

Select all that apply.

5

Take Note: Identify the extremes of the proportion. Select all that apply.

5

Take Note: Identify the means of the proportion. Select all that apply.

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Problem 2 Got It? What is the solution of the proportion?

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Problem 2 Got It? Reasoning: Would you rather use the Cross Products Property or the Multiplication Property of Equality (aka multiply the numerator and denominator of at least 1 ratio by the same number) to solve the proportion? Explain.

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Problem 3 Got It? What is the solution of the proportion?

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Problem 4 Got It? An 8-oz can of orange juice contains about 97 mg of vitamin C.

About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

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🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?