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Laabri

7th Math SBAC Prep Day 9 - 5/14

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Last updated about 2 years ago
11 Nsɛmmisa
The TASK Part 1

PART 1

You have been assigned to study the Stargazer.

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The TASK Part 2

PART 2

You have been assigned to study the Stargazer.

· Stargazer: It is 26 centimeters tall when it is 8 years old.

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General Review Problems
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Scientists are studying the different animals on the planet Rhomaar. The scientists have collected data for the first twelve years of each animal’s life and they have found out that, unlike humans on Earth, every animal on Rhomaar grows the same amount of centimeters every year. And since Rhomaar is a magical place, all of the animals are born with zero height.

The scientists have only been able to study the animals listed below:

Animals

· Flickerbill: It is 24 centimeters tall when it is 4 years old.

· Diggysee: It is 39 centimeters tall when it is 12 years old.

· Tonypen: It is 30 centimeters tall when it is 5 years old.

· Chucky: It is 45 centimeters tall when it is 10 years old.

· Lightchee: It is 27 centimeters tall when it is 6 years old.

· Stargazer: It is 26 centimeters tall when it is 8 years old.

Asemmisa {{asɛmmisaAhyɛnsode}}
1.

a) What is the unit rate for the Stargazer's height?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

b) What is the Stargazer's height at 2 years?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

c) What is the Stargazer's height at 5 years?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

d) Write an equation to represent the relationship between the Stargazer’s age in years (a) and its height in centimeters (h).

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

e) The animals on Rhomaar live until they reach a height of 90 cm. How many years will the Stargazer be alive? Show your work and explain to support your answer.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.
Asemmisa {{asɛmmisaAhyɛnsode}}
7.

g) Use the information from your table in question f) to plot the age and height of the Stargazer on the graph. Plot at least 3 points.

**If it is easier for you to graph on paper, you may. **

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

h) The scientists suspect that some animals on the planet Rhomaar grow at the exact same rate.

Match the animals together that grow at the same rate.

Explain or show calculations to support your claims.

Draggable itemarrow_right_altCorresponding Item

Lightchee

arrow_right_alt

Same rate as Flickerbill

Tonypen

arrow_right_alt

Same rate as Diggysee

Stargazer

arrow_right_alt

Same rate as Chucky

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Discount--A mattress from Mancini’s Sleepworld is being sold for \frac{2}{5} off its regular price. If the regular price is $2,298.50, what is the sales price? Show all work!

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Remodeling--Tyler is putting down square floor tiles in his house. The floor layout for the area he is tiling is shown in the diagram. All units are in feet, and each square tile is 1 foot wide.

Select whether each statement is true or false. (Diagram in your packet)

  • Tyler will need more tile for the room than for the other two areas combined.

  • The room will require 60 ft^2 of tile.

  • Tyler will need more than 165 tiles to complete this project.

  • The storage area will require 6 ft^2 of tile.

  • TRUE STATEMENTS

  • FALSE STATEMENTS

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Agua--Marcia is comparing the prices of bottled water for 16-ounce bottles. The table shows the price for each brand. Complete the table to sort the brands from least to greatest price per bottle.

You can round each unit price to the nearest thousandth.

**You should use a calculator for this problem.**

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