Grade 6 Mathematics: Open Up Resources, Common Core State Standards Edition

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Chapter 3

Unit Rates and Percentages - all with Video Answers

Educators

Section 1

The Burj Khalifa

Problem 1

An elevator travels 310 feet in 10 seconds. At that speed, how far can this elevator travel in 12 seconds? Explain your reasoning.

Teresa Fuston

Teresa Fuston

Numerade Educator

Problem 2

Han earns $\$ 33.00$ for babysitting 4 hours. At this rate, how much will he earn if he babysits for 7 hours? Explain your reasoning.

Teresa Fuston

Numerade Educator

Problem 3

The cost of 5 cans of dog food is $\$ 4.35$. At this price, how much do 11 cans of dog food cost? Explain your reasoning.

Teresa Fuston

Numerade Educator

Problem 4

A restaurant has 26 tables in its dining room. It takes the waitstaff 10 minutes to clear and set 4 tables. At this rate, how long will it take the waitstaff to clear and set all the tables in the dining room? Explain or show your reasoning.

Teresa Fuston

Numerade Educator

Problem 5

A sandwich shop serves 4 ounces of meat and 3 ounces of cheese on each sandwich. After making sandwiches for an hour, the shop owner has used 91 combined ounces of meat and cheese.
a. How many combined ounces of meat and cheese are used on each sandwich?
b. How many sandwiches were made in the hour?
c. How many ounces of meat were used?
d. How many ounces of cheese were used?

Teresa Fuston

Numerade Educator

Problem 6

Here is a flower made up of yellow hexagons, red trapezoids, and green triangles.
a. How many copies of this flower pattern could you build if you had 30 yellow hexagons, 50 red trapezoids, and 60 green triangles?
b. Of which shape would you have the most left over?

Teresa Fuston

Numerade Educator

Problem 7

Match each quantity in the first list with an appropriate unit of measurement from the second list.
A. the perimeter of a baseball field
1. centimeters $(\mathrm{cm})$
B. the area of a bed sheet
2. cubic feet (cu ft)
C. the volume of a refrigerator
3. cubic kilometers (cu $\mathrm{km}$ )
D. the surface area of a tissue box
4. meters ( $\mathrm{m}$ )
E. the length of a spaghetti noodle
5. square feet (sq ft)
F. the volume of a large lake
6. square inches (sq in)
G. the surface area of the moon
7. square kilometers (sq km)

Teresa Fuston

Numerade Educator

Problem 8

Summary Lesson: The Burj Khalifa

Teresa Fuston

Numerade Educator