Ratios
Equivalent Ratios
Finding Equivalent Ratios
Double Ratios
100
Write a ratio for the following description: Eliza read 8 books for every 3 books Max read.
8:3 or 8 to 3
100
Are 2:4 and 4:8 equivalent?
Yes
100
I make 3 typos for every 12 words I type. If I type 144 words, how may typos did I make?
36 typos 144/12=12 12x3=36
100
Last week at the farmer's market I bought 7 kiwis for every 5 pomegranates for a total of 84 pieces of fruit. I bought the same total amount of fruit this week, but this time I bought 2 kiwis for every 10 pomegranates. How many kiwis did I buy the first week, and how many pomegranates? How many kiwis did I buy the second week, and how many pomegranates?
49 kiwis - first week 35 pomegranates - first week 14 kiwis - second week 70 pomegranates - second week 84/12=7 7x7=49 7x5=35 7x2=14 7x10=70
200
I bought 6 lemons for every 8 limes. Right the ratio in 3 different ways.
6:8 6 to 8 6/8
200
Write an equivalent ratio to 3:7
6:14 9:21 12:28 Anything where you multiply both sides by the same amount
200
I drink 4 cups of coffee for every 2 cups of water. (Yes, I'm very dehydrated.) If I drink 36 cups of liquid, how many cups of coffee? How many cups of water?
24 cups of coffee 12 cups of water 36 cup total/6 parts=6 6x4=24 6x2=12
200
In 2014, the average person sent 2 emojis for every 12 words. In 2016, the average person send 6 emojis for every 8 words. If the average person sent 36 emojis in 2016, how many did they send in 2014?
12 emojis in 2014 36/6=6 6x2=12
300
There are 10 sedans and 6 SUVs in the parking lot. Write the ratio for sedans to total vehicles.
10:16 or 10 to 16
300
My shirt to tie ratio is 2 to 3. If I have 14 shirts, how many ties do I have?
21 Multiply both sides by 7
300
I check the time on my phone 5 times for every 2 times I look at my watch. If I checked my phone 15 more times than my watch, how many times did I check my watch?
10 times
300
At the beginning of Grade 6, the ratio of the number of advanced math students to the number of regular math students was 4:6 . However, after taking placement tests, students were moved around changing the ratio of the number of advanced math students to the number of regular math students to 7:3 . How many students started in advanced math and regular math if there were 28 students in advanced math after the placement tests?
16 advanced math 24 regular math 28/7=4 4x4=16 4x6=24
400
Give two different ratios with a description of the ratio relationship using the following information: There are 33 kindergartners in the class. There are 3 female teachers in the class.
Ratio of kindergartners to teachers is 33:3 Ratio of teachers to kindergartners is 3:33 Ratio of kindergartners to total people 33:36 Ratio of teachers to total people 3:36
400
There are 28 boys in the sixth grade. The number of girls in the sixth grade is 36. Jared says that means the ratio of the number of boys in sixth grade to the number of girls in the sixth grade is 4:5. Is Jared correct? Show why or why not.
No, 4x7=28, but 5x7=35, not 36
400
A basketball player scored 6 points for every 2 rebounds. If he scored 16 more points than rebounds, how many rebounds did he grab?
8 rebounds 16/4=4 4x2=8
400
Jeanette wants to save money, but she has not been good at it in the past. The ratio of the amount of money in Jeanette’s savings account to the amount of money in her checking account was 1:6 . Because Jeanette is trying to get better at saving money, she moves some money out of her checking account and into her savings account. Now, the ratio of the amount of money in her savings account to the amount of money in her checking account is 4:3 . If Jeanette had $936 in her checking account before moving money, how much money does Jeanette have in each account after moving money?
Jeanette has $624 in her savings account and $468 in her checking account after moving the money. 936/6=156 156x4=624 146x3=468
500
I have 5 apps for every 3 songs. Write one part to part ratio and one part to whole ratio.
5:3 or 3:5 5:8 or 3:8
500
In a bag of mixed walnuts and cashews, the ratio of the number of walnuts to the number of cashews is 5:6. Determine the number of walnuts that are in the bag if there are 54 cashews. Use a tape diagram to support your work.
45 walnuts 54/6=9 9x5=45
500
6th graders catch 8 Pokemon for every 3 Pokemon 2nd graders catch. If the 6th graders catch 35 more Pokemon, how many did the 2nd graders catch? How many did the 6th graders catch?
21 Pokemon - 2nd graders 56 Pokemon - 6th graders 35/5=7 7x3=21 7x8=56
500
During first semester, the ratio of the number of students in art class to the number of students in gym class was 2:7. However, the art classes were really small, and the gym classes were large, so the principal changed students’ classes for second semester. In second semester, the ratio of the number of students in art class to the number of students in gym class was 5:4. If 75 students were in art class second semester, how many were in art class and gym class first semester?
There were 30 students in art class and 105 students in gym class during first semester. 75/5=15 15x2=30 15x7=105
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