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Algebra 1 Complete Lesson: 2-7 Solving Proportions

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Last updated over 6 years ago
31 questions
10
10
A.CED.1
A.REI.3
10
A.CED.1
A.REI.3
10
A.CED.1
10
A.CED.1
A.REI.3
10
A.CED.1
A.REI.3
N.Q.1
10
A.CED.1
A.REI.3
N.Q.1
10
10
10
10
A.CED.1
A.REI.3
10
N.Q.1
10
N.Q.1
10
N.Q.1
10
A.REI.3
10
A.REI.3
10
10
100
10
A.REI.3
10
A.CED.1
A.REI.3
10
Question 2
2.

Explain your answer.

A.CED.1
A.REI.3
10
Question 3
3.

Vocabulary: Define ratio in your own words.

Question 4
4.

Vocabulary: Define proportion in your own words.

Question 5
5.

Question 6
6.

Question 7
7.

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

Question 8
8.

Question 9
9.

10
A.CED.1
A.REI.3
10
A.CED.1
A.REI.3
10
A.CED.1
A.REI.3
10
A.CED.1
A.REI.3
Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Question 18
18.

Reasoning: Consider the proportion.
When solving the proportion, Lisa's first step was to write:
Jen's first step was to write:
Will both methods work? Explain.

Question 19
19.

Review Lesson 2-6: Complete the statement.
Enter only a number. Use decimal form, if necessary.

Question 20
20.

Review Lesson 2-6: Complete the statement.
Enter only a number. Use decimal form, if necessary.

Question 21
21.

Review Lesson 2-6: Complete the statement.
Enter only a number. Use decimal form, if necessary.

Question 22
22.

Question 23
23.

Question 24
24.

Question 25
25.

5
5
5
Question 28
28.

Fill in the blank from the image.

5
Question 30
30.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.

For a refresher on the Cornell note-taking system, click here.

Question 31
31.

Reflect: Math Success

Question 1
1.

Problem 1 Got It? What is the solution of the proportion?
6.5
7.14
8.75
5.6
Problem 2 Got It? What is the solution for the proportion?
5
5/9
9/5
3/15
Problem 3 Got It? What is the solution of the proportion?
1
5
-5
-1
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?
10.63 mg
64.67 mg
0.99 mg
145.5 mg
Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
Music: A band went to a recording studio and recorded 4 songs in 3 h. How long would it take the band to record 9 songs if they record at the same rate?
6.25 h
5.5 h
3.25 h
6.75 h
Vocabulary: Consider the proportion. Identify the extremes.
n & q
m & p
n & p
m & q
Vocabulary: Consider the proportion. Identify the means.
n & p
m & p
n & q
m & q
Vocabulary: Consider the proportion. Identify the cross products.
mn & pq
mp & nq
mq & np
Review Lesson 2-4: Solve the equation. Name the solution or identify the equation as an identity or as having no solution.
x = -3
x = 1
No solution
Identity
Review Lesson 2-4: Solve the equation. Name the solution or identify the equation as an identity or as having no solution.
No solution
c = -2
Identity
c = 1/5
Vocabulary Review: Drag 2 words from the left to fill in the blanks in each equivalent rate statement on the right. Note: The order in which you drag the words does not matter.
miles
kilometers
pound
feet
hour
day
dollars
second
cents
65 mi/h = sixty-five __?__ per __?__
7 ft/day = seven __?__ per __?__
$3.99/lb = three dollars ninety-nine __?__ per __?__
11 km/s = eleven __?__ per __?__
Use Your Vocabulary: Complete each sentence on the right with the correct word from the left.
proportion
ratios
proportional
A scaled map of the roads in a city is __?__ to the actual roads.
When making fruit punch, you have to be sure the amount of ginger ale is in __?__ to the amount of fruit juice.
Because 5/8 is not equal to 15/20, the __?__ 5/8 and 15/20 do not form a proportion.
Question 26
26.

Question 27
27.

Question 29
29.

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?
16 red & 24 blue
32 red & 48 blue
48 red & 64 blue
12 red & 16 blue
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Fill in the blank from the image.
ac
db
bd
bc
Fill in the blank from the image.
24
3
8
12
Fill in the blank from the image.
12
8
24