A ratio is a ______________ between two items or more quantities.
comparison
Jane had 20 pens and 8 pencils. What is her ratio of pencils to pens in colon notation.
2:5
What is the ratio of bananas to apples in all three notations? Write your answers in simplest form.
3:5
3 to 5
3/5
A unit rate is a ratio that compares quantities with different units. It always has a denominator of ______.
1/one
What value of x makes these ratios equivalent?
2:5 and x:25
x = 10
Are the following ratios equivalent?
4/5 = 8/20
No
(4/5)2 = 8/10
What does the term equivalent mean?
Equal or the same
Jessica had 3 pairs of tennis shoes and 6 pairs of sandals. What is the ratio of tennis shoes to sandals Jessica owned? Write you answer in "to" notation.
1 to 2
What is the ratio of red circles to all circles in all three notations?
3:7
3 to 7
3/7
Four chocolate bars cost $12.00. What is the price per chocolate bar?
The price is $3.00 per chocolate bar.
What value of x makes these ratios equivalent?
5/10 and x/70
x = 35
Are the following ratios equivalent?
4/9 = 12/27
Yes
(4/9)3 = 12/27
What are the three ratio notations?
Colon Notation (a:b)
"To" Notation (a to b)
Fraction Notation (a/b)
Mike's basketball team played twenty games and won eight of them. What is their ratio of wins to losses? Write your answer in fraction notation.
2/3
What is the ratio of orange squares to yellow rectangles in all three notations?
4:5
4 to 5
4/5
If 18 pies were eaten in 3 minutes, how many pies were eaten per minute?
6 pies were eaten per minute.
Some the following proportion
11/55 = x/110
x = 22
Are the following ratios equivalent?
2/7 = 16/56
Yes
(2/7)8 = 16/56
What are the three types of ratios?
Part to Part
Part to Whole
Whole to Whole
Jack spent 15 minutes on his math homework last night and 20 minutes on his reading homework. What is the ratio of time Jack spent on his math homework to the total amount of time Jack spent on homework last night? Write your answer in all three notations.
3:7
3 to 7
3/7
What is the ratio of blue to purple rectangles? Write your answer in fraction notation.
1 1/3
Amanda earned 78 dollars for mowing 3 lawns. How much did she earn per lawn?
She earned 26 dollars per lawn.
Some the following proportion
25/100 = x/300
x = 75
Are the following ratios equivalent?
12/32 = 48/127
No
(12/32)4 = 48/128
How do you find equivalent ratios?
Equivalent ratios can be found by multiplying or dividing both parts of the ratio by the same number.
Amy lived in a house with 4 brothers and 2 sisters. What is the ratio of girls to boys in Amy’s house? Write your answer in all three notations.
3:4
3 to 4
3/4
What is the ratio of yellow to red circles? Write your answer in fraction notation.
1 2/3
There are 4 fish tanks with a total of 188 fish. How many fish are there per tank?
There are 47 fish per tank.
3/20 = x/140
Some the following proportion.
x = 21
Are the following ratios equivalent?
9/36 = 45/180
Yes
(9/36)5 = 45/180