Geometry 7-1 Complete Lesson: Ratios and Proportions

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A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

Geometry 7-1 Complete Lesson: Ratios and Proportions

Geometry 7-1 Complete Lesson: Ratios and Proportions

Solve It! The table gives the wins and losses of a baseball team. In which year(s) did the team have the best record? Select all that apply.

Problem 1 Got It?

Problem 2 Got It?

Problem 3 Got It?

Problem 4 Got It?

Problem 4 Got It?

Problem 5 Got It? Use the proportion. What ratio completes the equvalent proportion below?

Problem 5 Got It? Use the proportion. What ratio completes the equvalent proportion below?

Problem 5 Got It? Reasoning: Explain why the first proportion below is an equivalent proportion to the second proportion below.

Two angles measures are in the ratio 5 : 9. Write expressions for the two angle measures in terms of the variable x.

Open-Ended: The lengths of the sides of a triangle are in the extended ratio 3 : 6 : 7. What are two possible sets of side lengths, in inches, for the triangle?

Vocabulary: What is a proportion that has means 6 and 18 and extremes 9 and 12?

Review Lesson 6-9: Write a coordinate proof of the statement. The diagonals of a square are perpendicular.

Review Lessons 1-5 & 5-5: Identify two statements that contradict each other.

Review Lessons 1-5 & 5-5: Identify two statements that contradict each other.

Review Lesson 4-1: △ABC ≅ △HIJ. Match corresponding (and congruent) components. Not all components will be used.

Vocabulary Review: Write a ratio to compare 9 red marbles to 16 blue marbles. Select all that apply.

Vocabulary Review: Identify the ratio, in simplest form, of vowels to consonants in each word. Not all ratios will be used.

Enter only a number.

Enter only a number.

Use Your Vocabulary: Complete each sentence with the correct word.

Reflection: Math Success

Solve It! The table gives the wins and losses of a baseball team. In which year(s) did the team have the best record? Select all that apply.

Problem 1 Got It?

Problem 2 Got It?

Problem 3 Got It?

Problem 4 Got It?

Problem 4 Got It?

Problem 5 Got It? Use the proportion. What ratio completes the equvalent proportion below?

Problem 5 Got It? Use the proportion. What ratio completes the equvalent proportion below?

Problem 5 Got It? Reasoning: Explain why the first proportion below is an equivalent proportion to the second proportion below.

Two angles measures are in the ratio 5 : 9. Write expressions for the two angle measures in terms of the variable x.

Open-Ended: The lengths of the sides of a triangle are in the extended ratio 3 : 6 : 7. What are two possible sets of side lengths, in inches, for the triangle?

Vocabulary: What is a proportion that has means 6 and 18 and extremes 9 and 12?

Review Lesson 6-9: Write a coordinate proof of the statement. The diagonals of a square are perpendicular.

Review Lessons 1-5 & 5-5: Identify two statements that contradict each other.

Review Lessons 1-5 & 5-5: Identify two statements that contradict each other.

Review Lesson 4-1: △ABC ≅ △HIJ. Match corresponding (and congruent) components. Not all components will be used.

Vocabulary Review: Write a ratio to compare 9 red marbles to 16 blue marbles. Select all that apply.

Vocabulary Review: Identify the ratio, in simplest form, of vowels to consonants in each word. Not all ratios will be used.

Enter only a number.

Enter only a number.

Use Your Vocabulary: Complete each sentence with the correct word.

Reflection: Math Success

Problem 5 Got It? Use the proportion.
What ratio completes the equvalent proportion below?

Problem 5 Got It? Use the proportion.
What ratio completes the equvalent proportion below?

Problem 5 Got It? Use the proportion.
What ratio completes the equvalent proportion below?

Problem 5 Got It? Use the proportion.
What ratio completes the equvalent proportion below?