Writing Ratios
How do you read this ratio? 18:19
Eighteen to nineteen
Drake ran 8 laps on Monday and ran 11 laps on Tuesday. What is the ratio of the number of laps Drake did on Monday to the number of laps he did on Tuesday?
8:11
2:4
What is a ratio?
Ratio is a comparison of two quantities.
Comparing two numbers.
What are all the factors of 6?
1, 2, 3, 6
Write a ratio for 2 circles to 3 rectangles
2:3
Annie's class is organizing a fundraiser. They made 89 paper flowers and made 47 paper boats. What is the ratio of paper boats to paper flowers?
47:89
15:25
3:5
What is a quantity?
How many or how much you have of something.
What are factors of 8?
1, 2, 4, 8
Write a ratio for 17 children to 30 adults
17:30
There are 91 sixth graders at Clark Middle School. 47 of them bring lunch from home and the rest of them buy a school lunch. What is the ratio of students who buy a school lunch to the total number of students?
44:91
16:32
1:2
What is a factor?
Numbers we can multiply to get another number.
What are factors of 16?
1, 2, 4, 8, 16
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Write a ratio of a's to b's
10:9
Jessica made 25 vanilla candles, 27 lavender candles, and 30 pine candles. What is the ratio of lavender candles to the total number of candles she made?
26:81
This week, Sumaya worked 10 hours at Starbucks and 24 hours at Taco Bell. What is the ratio of the number of hours Sumaya worked at Starbucks to the number of hours she worked at Taco Bell? Write your answer in simplest form.
5:12
What are all the factors of 24?
1, 2, 3, 4, 6, 8, 12, 24
What are factors of 20?
1, 2, 4, 5, 10, 20
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Write a ratio for 1's to 8's. Write the answer in 3 different ways.
8:6, 8/6, 8 to 6
Joseph is a vet. On Monday, he treated 6 animals. On Tuesday, he treated 15 animals. On Wednesday, he got so busy, he didn't keep track of how many animals he treated. He does know that altogether, he treated 40 animals in those three days. What is the ratio of the animals Joseph treated on Wednesday to the animals he treated on Monday?
19:6
A jar contains 8 pieces of chocolate, 11 pieces of hard candy and 21 pieces of jelly. What is the ratio of pieces of chocolate to the total pieces of candy in the jar? Write your answer in simplest form.
1:5
What are all the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
What are factors of 30?
1, 2, 3, 5, 6, 10, 15, 30