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Ratios
Rates
Proportions
Proportion story problems
vocabulary
100
What is the 3 ways to write a ratio? Use the example 3/4
3 to 4 3 out of 4 3:4
100
Solve the following rate. 300 miles/5 days
60 miles/ 1 day
100
Decide if the ratio is proportional. 2/5 ______ 4/10
2 x 10= 20 4 x 5 = 20
100
Set up the following equation. DO NOT SOLVE. A recipe makes 3 dozen cookies and calls for 7 cups of flour. How many dozen of cookies can be made with 28 cups of flour?
3 cookies/ 7 cups= x / 28 cups
100
What is a ratio? How do we solve a ratio? Use the example 2/4 to explain.
A comparison of two quantities. 2/ 4 ABC= 1/2
200
Solve this ratio: 3/24
1 to 8 1 out of 8 1:8
200
Solve the following fraction. 168 miles/ 4 hours.
42 miles/1 hour
200
Decide if the following proportion is equal. 2 / 6 _______ 3 / 10
2 x 10= 20 6 x 3 = 18 NO
200
Solve. Twenty pieces of tape went on 8 presents. How many presents would 30 pieces of tape go on?
20/8 = 30/ x 20x= 240 12 presents
200
What is a rate? How do we solve a rate? Use 2/4 as an example.
A rate is a ratio of two measurements having different units. 2 divided by 4.
300
Solve the following ratio: 18/3
6:1 6 out of 1 6 to 1
300
Find the rate for traveling 616 feet in 7 seconds. Then find the number of feet traveled in 12 seconds.
616 feet/ 7 seconds = 88 feet/1 Multiply by 12 1,056 feet/ 12 seconds
300
Solve for T. 14/ T = 10/ 11
14 x 11= 154 = 10T 10 x T= 15.4
300
Solve. Lacey is building chairs. He uses 4 legs and 6 supports for each chair. How many legs are used when there are 72 supports?
4 legs/ 6 supports = x/ 72 supports 288=6x x= 48 legs
300
What is a proportion?
A proportion is an equation stating that 2 ratios are equal.
400
A triangle has a base of 8 cm and a height of 3. Write the ratio.
8/3 8 to 3 OR 2 2/3
400
Find the unit for swimming 300 meters in 6 minutes. Then find the number of meters swam in 5 minutes.
300 meters/ 6 minutes = 50 meters/ 1 minute Multiply by 5 250 meters/ 5 minutes
400
Solve for Y. 5/6= Y/84
5 x 84= 420 divided by 6y Y= 70
400
Ashley exercise routine includes repetitions of 20 push ups and 30 sit ups. On Tuesday he did 100 push ups. How many sit ups did she do?
150 sit ups
400
RANDOM QUESTION!! What is a product?
the answer of a multiplication question
500
In a classroom, there are 32 students and 6 computers. Write the ratio and then SIMPLIFY it.
32/6 16/3
500
Amanda sold 225 DVDs in 6 days, while Hayden sold 181 DVDs in 4 days. Who sold DVD's faster?
225 dvds/ 6 days= 37.5 dvds/ 1 day 181 dvds/ 4 days= 45.25 dvds/ 1 day HAYDEN
500
Solve for N. N/8= 3/4
4N= 24 N= 6
500
A magazine needs to fill 6 pages with ads and 9 pages with articles. If there is 117 pages of articles, how many pages of ads will there be?
78 pages
500
Explain how to solve a ratio Explain how to solve a rate
ratio: 2/4 then push ABC rate: 2 divided by 4