Ratios
There are 10 white marbles and 3 blue marbles. What is the ratio of white to blue marbles?
10:3
Simplify the following ratio: 4 / 6
2 / 3
The ratio of boys to girls is 1:2; if there are 12 boys in the class, how many girls are there?
24
What is the missing term that will make the ratios equivalent? 2 : 4 = ____ : 32
16
Fill in the blank:
A ratio is a _____________ of two quantities.
Comparison
Who lives in a pineapple under the sea?
Spongebob Squarepants
There are 27 white marbles and 13 blue marbles. What is the ratio of white to all marbles?
27:40
Simplify the following ratio: 10 / 20
1 / 2
The ratio of apples to oranges is 2:3; if there are 30 oranges how many apples are there?
20
Write 2 ratios that are equivalent to 1/2.
Answers will vary
List the three ways to write a ratio.
colon, to, fraction
On what day of the week is Thanksgiving always celebrated?
Thursday
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of all to black blocks?
9:4
Simplify the following ratio: 44 / 11
4/1
I am a world class pizza chef. Every 30 minutes I can make 7 pizzas. How many pizzas can I make in 2 and a half hours?
35 pizzas
Are the following ratios equivalent? 7/12 and 49/84
Yes (equivalent)
What are the two ways to determine if ratios are equivalent?
Simplify both ratios- if they have the same value, they are equivalent.
OR
Cross products
What is a group of lions called?
A pride
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of red and orange blocks to black blocks?
5:4
Simplify the following ratio: 16/144
1/9
If it takes 8 cups of flour for every 2 tsp of baking soda to bake a cake, how many cups of baking soda would I need for 4 cups of flour?
1 tsp
What is the missing term that will make the ratios equivalent?
10 / 13 = ____ / 52
40
Are the two ratios equivalent? 56:8 and 14:2
Yes (equivalent)
What is the tallest land animal?
Giraffe
TRUE or FALSE: You can always make equivalent ratios by adding or subtracting the same number on both parts of a ratio.
False
It costs 36 dollars to buy 12 hamburgers. What is the price for just one hamburger? Simplify the ratio to find out.
Each burger costs 3 dollars. 36:12 simplifies to become 3:1.
In order to make a perfect cake you need exactly 72 sprinkles for every 6 ounces of cake. If I were to make a cake that was 4 ounces and 52 sprinkles, would my cake have too many, too few, or just the right amount of sprinkles?
Too many. The ratio of 72:6 reduces to 12:1. If we have a 4 ounce cake, we multiply our ratio by 4 -> 48:4. Since we have 4 ounces and 52 sprinkles, we have the ratio 52:4, which is too many.
Are the following ratios equivalent? 4/5 and 48/55
No (not equivalent)
Are the two ratios equivalent? 18:4 and 14:3
No (not equivalent)
What are the names of your math teacher's children?
Joshua/Talia (Mrs. Kozina) or Owen/Cole/Sawyer (Mrs. Collins)