Geometry 7-1 Complete Lesson: Ratios and Proportions
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Last updated about 4 years ago
30 questions
Note from the author:
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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.
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Question 7
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Question 8
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Question 9
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Problem 5 Got It?Reasoning: Explain why the first proportion below is an equivalent proportion to the second proportion below.
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Question 16
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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?
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Question 18
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Question 19
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Review Lesson 6-9: Write a coordinate proof of the statement. The diagonals of a square are perpendicular.
Question 20
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Question 21
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Question 22
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Question 23
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Question 24
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Question 27
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Enter only a number.
5
Question 29
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Question 30
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Reflection: Math Success
Question 1
1.
Question 2
2.
Question 3
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Question 4
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Question 5
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Question 6
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Problem 5 Got It? Use the proportion.
What ratio completes the equvalent proportion below?
y/7
7/y
x/6
x/7
Problem 5 Got It? Use the proportion.
What ratio completes the equvalent proportion below?
(x + 7) / 7
(y + 6) / 7
(x + 6) / 6
Question 10
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Question 11
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Question 12
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Question 13
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Question 14
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Question 15
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Vocabulary: What is a proportion that has means 6 and 18 and extremes 9 and 12?
A
B
C
Review Lessons 1-5 & 5-5: Identify two statements that contradict each other.
â–³PQR is isosceles.
â–³PQR is an obtuse triangle.
â–³PQR is scalene.
Review Lessons 1-5 & 5-5: Identify two statements that contradict each other.
∠1 ≅ ∠2
∠1 and ∠2 are complementary.
m∠1 + m∠2 = 180
Review Lesson 4-1: △ABC ≅ △HIJ. Match corresponding (and congruent) components. Not all components will be used.
∠A
∠B
∠C
segment HI
segment IJ
segment JH
∠I
segment CA
∠H
Vocabulary Review: Write a ratio to compare 9 red marbles to 16 blue marbles. Select all that apply.
9 to 16
9/16
9:16
Vocabulary Review: Identify the ratio, in simplest form, of vowels to consonants in each word. Not all ratios will be used.
3 : 2
3/5
5 : 7
2 to 3
comparison
geometry
ratio
Question 25
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Question 26
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Question 28
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Enter only a number.
Use Your Vocabulary: Complete each sentence with the correct word.
proportion
proportional
Distance on a map is __?__ to the actual distance.
The number of ounces in 3 lb is in __?__ to the number of ounces in 1 lb.
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.
1890
1930
1970
2010
Problem 1 Got It?
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Problem 2 Got It?
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Problem 3 Got It?
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Problem 4 Got It?
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Problem 4 Got It?
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Two angles measures are in the ratio 5 : 9. Write expressions for the two angle measures in terms of the variable x.
