Ratios
What are the three ways you can write a ratio?
A fraction, a colon, and the word "to"
What has to be true about the numbers in a rate table to make it a true rate table?
Various answers accepted, including things like:
-numbers must follow a pattern
-the numbers must go up by the same amount each time
What type of math do you use to solve a Unit Rate problem?
Division
When solving a proportion, the two steps (after setting it up correctly) are:
-Multiply diagonal
-Divide that answer by the number you haven't used yet.
top: is (part)
bottom: of (whole/total)
4:1
Is the following situation a Rate or Unit Rate?
The apples are being sold for 5 for $4.
Rate
Apples are being sold for 5 for $4. Find the unit rate.
**Make sure you have your label included!
$0.80 per apple
Solve:
70 = ____
40 90
**Answer rounded to nearest tenth.
157.5
What is 85% of 38?
*Answer rounded to nearest tenth
32.3
There are 10 cats and 12 dogs. Write a ratio of dogs to total animals in fraction form.
12/22
If Mrs. Farmer bikes 10 miles a day, how many miles will she bike in 8 days?
**Must include correct label
80 miles
There are 120 chairs in 6 rows. Find the unit rate.
**Don't forget your label!
20 chairs per row
The bakery bakes 300 scones in 8 hours. At that rate, how many scones can they bake in 3 hours?
*Answer rounded to nearest tenth. Include correct label.
112.5 scones
78 is 22% of what?
*round to tenths place
354.5
There are 11 people wearing pants and 8 wearing shorts. Write a ratio in word form for the total people to the people wearing pants.
19 to 11
Fill in the missing numbers in the rate table:
1 ___
2 10
__ ___
4 ___
1 5
2 10
3 15
4 20
Which is the better deal & how much does it cost per oz? *Don't forget your label & round to nearest hundredth!
-Lays chips: $4.89 for 24 oz
-Ruffles chips: $3.75 for 20 oz
Ruffles: 19 cents per oz
On the map, the scale is 1 inch = 200 miles. If the two cities are 3.5 inches apart on the map, how many miles are they from each other in real life?
**Include the correct label
700 miles
In the vote, 29 out of 31 people wanted ice cream. What percent wanted ice cream?
*round to tenths place & include correct label
93.5%
There are 50 total M&Ms. Out of those, 30 of them are Peanut M&Ms and the rest are regular M&Ms. Write a ratio in colon form of regular M&Ms to Peanut M&Ms.
20:30
The factory makes 1,200 boxes every hour. How many boxes will be made in a 24-hour time period.
**Don't forget the label!
28,800 boxes
What's the better deal? How much is the better deal? *Don't forget your label and to round correctly to the nearest hundredth!
-One apple for $0.89
-Three apples for $2.60
The three apples for $2.60. They cost 87 cents per apple
During the interval workout, it tells you to run 8 minutes for every 7 minutes you walk. If you want to run for a total of 56 minutes, how many minutes will you need to walk?
*include label
49 minutes
In the group of 130 people, 70% wanted to watch a certain movie. How many people wanted to watch that movie?
91