Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.
1 point
1
Question 1
1.
Lucy is a dress maker. She sews \frac{4}{7} of a dress in \frac{3}{4} hour. Lucy sews at a constant rate.
At this rate, how many dresses does Lucy sew in one hour?
1 point
1
Question 2
2.
Robert climbed 775 steps in 12 \frac{1}{2} minutes
How many steps did he average per minute?
1 point
1
Question 3
3.
Charlie reads quickly. He reads 1\frac{3}{7} page every \frac{2}{3} minutes. Charlie reads at a constant rate.
How many pages does he read per minute?
7.RP.A.2
Recognize and represent proportional relationships between quantities.
1 point
1
Question 4
4.
Mikel gave a $1.32 tip for an order that cost $8.80.
Determine whether or not each tip below is proportional to Mikel's tip.
Proportional to Mikel's Tip
Not Proportional to Mikel's Tip
$2.22 tip for a $14.80 Order
$1.86 tip for a $10.50 Order
$0.78 tip for a $5.20 Order
1 point
1
Question 5
5.
The table shows a proportional relationship between the mass, in kilograms (kg) of a dog and the milliliters (mL) of flea medicine a veterinarian prescribes.
A row of values is missing in the table.
Which of the following numbers of kilograms and milliliters could be used as the missing values in the table? [hint: which answers are proportional relationships]
Choose 2 answer:
1 point
1
Question 6
6.
A museum requires a minimum number of chaperones proportional to the number of students on a field trip. The museum requires a minimum of 3 chaperones for a field trip with 24 students.
Which of the following could be combinations of values for the students and the minimum number of chaperones the museum requires?
Choose 2 answers:
7.RP.A.2b
Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.
1 point
1
Question 7
7.
A unicorn daycare center requires there to be 2 supervisors for every 18 baby unicorns.
Write an equation that shows the relationship between n, the number of supervisors, and u, the number of baby unicorns.
1 point
1
Question 8
8.
Yusef earned a total of 180 dollars from drawing 12 identically-priced pictures at a festival.
Write an equation to describe the relationship between p, the number of pictures, and e, the total earnings.
1 point
1
Question 9
9.
The quantities x and y are proportional.
Find the constant of proportionality(r) in the equation y=rx.
r=
1 point
1
Question 10
10.
Zhen is an audiobook narrator. The table gives some completed audio lengths and the amount of time Zhen spends researching, recording, and editing the audiobook.
What does 6 \frac{1}{2} mean in this situation?
0 points
0
Question 11
11.
Answer two questions about the following table.
Natalie is an expert archer. The following table shows her scores (points) based on the number of targets she hit.
Are Natalie's points proportional to the number of targets she hit?
0 points
0
Question 12
12.
Explain using reasoning your answer from above (question 11)?
7.G.A.1
Solve problems involving scale drawings of geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.
1 point
1
Question 13
13.
Figure B is a scaled copy of Figure A.
What is the scale factor from Figure A to Figure B?
1 point
1
Question 14
14.
Figure B is a scaled copy of Figure A.
What is the scale factor from Figure A to Figure B?
1 point
1
Question 15
15.
A scale on a blue print drawing of a house shows that 6 centimeters represents 3 meters.
What number of centimeters on the blue print represents an actual distance of 27 meters?
0 points
0
Question 16
16.
Seren draws a chick on graph paper using the scale shown below. The chick has a height of 5 cm in the drawing.
Which of the following drawings best represents the height of the chick at the scale Seren chose?