Lesson 1 & 2
There are 5 circles and 4 triangles. What is the ratio?
5 to 4
Turn to page 126 in your textbook.
Look at # 16.
Find the missing value in the ratio table.
2
The x- axis is your horizontal axis. The y- axis is the diagonal axis.
True or False
False
Write a unit rate for the situation.
$100 for 5 guest
$20 per guest
6 lb= ______ oz
96
Determine whether 2:5 and 4:10 are equivalent ratios.
Equivalent
Turn to page 127 in your textbook.
Look at #22.
Is your friend correct?
No, your friend is not correct because 5/3 is not equivalent to 25/9.
Turn to page 131 in your textbook.
Look at #6.
Which one doesn't belong? Which ordered pair does not belong with the other three? Explain your reasoning.
(24,4)
Because 24 and 4 are in the ratio 6 : 1. The others are in the ratio 4 : 1. 24 and 4 are not equivalent to the others.
Imrie scored 5 goals in 1 game. How many goals would Imrie score in 3 games?
15 goals
50 mm= _____ cm
5
Dru has 28 red and blue marbles. The ratio of red to blue marbles is 1:6. How many red and blue marbles does Dru have?
4 red and 24 blue marbles
4:24 totals 28
Turn to page 127 in your textbook.
Look at #27.
Find the missing quantity in the double number line.
1,840
Turn to page 134 in your textbook.
Look at #21.
Just by looking at the graph, determine who earns a greater hourly wage. Explain how you know.
You! The graph that represents your earnings is steeper.
Write a unit rate for each situation.
18 necklaces in 3 hours
6 necklaces each hour
Convert 44 quarts to gallons
44 quarts is equal to 11 gallons
The ratio of boys to girls in the 6th grade is 4:7. There are 66 students in sixth grade. How many boys and girls are there?
24 boys and 42 girls totals 66
24:42
A + B = 30
A:B is equivalent to 2 : 3
What's A : B
12 : 18
How are the ordered pairs (x,y) created for the coordinate plane?
The (first quantity, second quantity) from the ratio table. (x,y)
Write a unit rate for each situation.
880 calories in 8 servings
110 calories/ serving
I have a gallon of milk. I want to serve 18 people one cup of milk. Do I have enough milk? Explain.
No, there are only 16 cups in a gallon.
The ratio of the ages (in years) of two sisters is 8:9. The sum of their ages is 51. What is the age of each sister?
24: 27 totals 51
51 divided by 17 is 3.
8 times 3= 24
9 times 3= 27
The ratio of three numbers is 4 : 5 : 3
The sum of the numbers is 48.
What are the 3 numbers?
16 : 20 : 12
How is graphing a ratio table relevant to equivalent ratios?
Graphing a ratio table is relevant because it visually represents equivalent ratios as a straight line through the origin on a coordinate plane.
Turn to page 139 in your textbook.
Look at #27.
Find the missing values in the ratio table.
1/6
17/6
You are traveling in a car. Your speed is 10 miles per hour. What is your speed in feet per minute?
880 feet/ minute