Notes For Test Oct 21- Oct 25

Question 1

What is a rate?

Answer 1

A rate is a ratio that compares two different kinds of quantities.

Question 2

True or False: A unit rate is a rate with a denominator of one.

Answer 2

True

Question 3

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Answer 3

60 miles per hour

Question 4

Fill in the blank: A rate that compares the number of items to the number of people is called a __________.

Answer 4

unit rate

Question 5

What is the formula to calculate a unit rate?

Answer 5

Divide the numerator by the denominator.

Question 6

What is the unit rate of 150 calories burned in 30 minutes?

Answer 6

5 calories per minute

Question 7

True or False: All rates can be converted into unit rates.

Answer 7

True

Question 8

In a recipe, if 4 cups of flour are used for 2 loaves of bread, what is the unit rate of flour per loaf?

Answer 8

2 cups of flour per loaf

Question 9

What is the relationship between rates and ratios?

Answer 9

Rates are a specific type of ratio that compares different units.

Question 10

If a worker earns $420 for 30 hours of work, what is their hourly rate?

Answer 10

$14 per hour

Question 11

Fill in the blank: A rate of speed is expressed as __________.

Answer 11

distance per time

Question 12

What is a common example of a unit rate in grocery shopping?

Answer 12

Price per item or price per pound.

Question 13

True or False: A ratio of 1:3 can be considered a rate.

Answer 13

False

Question 14

How do you convert a rate to a unit rate?

Answer 14

Divide both quantities by the denominator.

Question 15

What is the unit rate for 240 miles in 4 hours?

Answer 15

60 miles per hour

Question 16

In a car that travels 360 miles using 12 gallons of gas, what is the unit rate of miles per gallon?

Answer 16

30 miles per gallon

Question 17

What does it mean if a rate is expressed as a percentage?

Answer 17

It shows a part of a whole in terms of 100.

Question 18

Fill in the blank: To find the unit rate, you must always divide by the __________.

Answer 18

total number of units

Question 19

What is the unit rate of 80 kilometers in 2 hours?

Answer 19

40 kilometers per hour

Question 20

True or False: Unit rates can help in making comparisons between different options.

Answer 20

True

Question 21

What is an example of a unit rate in sports?

Answer 21

Points scored per game.

Question 22

If a recipe calls for 6 eggs for 3 servings, what is the unit rate of eggs per serving?

Answer 22

2 eggs per serving

Question 23

What is the unit rate for 150 pages printed in 5 minutes?

Answer 23

30 pages per minute

Question 24

Fill in the blank: The term __________ refers to the comparison of two quantities measured in different units.

Answer 24

rate

Question 25

What is the significance of unit rates in real-life applications?

Answer 25

They allow for easier comparisons and informed decisions.