Name:_________________________________
Accordino-Math 7
M1L2
Date:_________
Period:________
Lesson 2: Equivalent Ratios and Rates
Bellringer
1. There are two bald eagles in an exhibit at the zoo. What is the ratio of wings to beaks of the exhibit?
a.
b.
c.
d.
2:1
4:1
1:2
3:4
2. Coach Stevens coaches a baseball team consisting of fourteen players. To celebrate the end of their
summer season she takes them to a minor league baseball game. The tickets cost $75.00 for
everyone to attend and then Coach also bought each player and herself a hamburger. If Coach
Stevens spent $135.00 total, what was the price per hamburger?
Name:_________________________________
M1L2
Date:_________
Accordino-Math 7
Period:________
Lesson 2: Equivalent Ratios and Rates
Exit Ticket
1.
What value of the denominator would make the below statement true?
6  18
? 21
2.
a.
6
b.
3
c.
7
d.
12
Write three ratios that are equivalent to the one given: 8 soccer players for every 3 cross-country runners.
Name:_________________________________
M1L2
Date:_________
Accordino-Math 7
Period:________
Lesson 2: Equivalent Ratios and Rates
Notes
Rate:
Ex 1)
Ex 2)
Unit Rate:
Common Unit Rates:
Ratio? Rate? Or Unit Rate?
12gal
7qt
$14.00
9pounds
65mi
1hour
10meters
1meter
Activity: How fast is our class?
Record the results from the paper passing exercise in the table below.
Trial
Number of Papers
Passed
Time
(in seconds)
Ratio of Number of Papers
Passed to Time
1
2
3
4
Look back at the paper passing activity. Are the rates for each trial equivalent?
Rate
Unit Rate
Name:_________________________________
M1L2
Accordino-Math 7
Date:_________
Period:________
Equivalent Rates: have the same value when simplified to lowest terms.
______________ or ______________ the numerator and denominator by the same number to
produce an _______________________.
Exercise 2:
a.
Write three ratios that are equivalent to the one given: 18 right-handed students for every 4 left-handed
students.
b.
Create two equivalent rates for each of the rates below
490 miles in 7 hours
350 customers In 70 days
42 meters in 6 seconds
$7.23 for 3 pounds
c. Fill in the blanks below to create equivalent ratios:
4: 6______
:92: ______
______
:121: ______
d. Mr. Rowley has 16 homework papers and 14 exit tickets to return. Ms. Rivera has 64 homework
papers and 60 exit tickets to return. For each teacher, write a ratio to represent the number of
homework papers to number of exit tickets they have to return. Are the ratios equivalent? Explain.
Name:_________________________________
Accordino-Math 7
Homework:
M1L2
Date:_________
Period:________