Ratios
There are 10 white marbles and 3 blue marbles. What is the ratio of white to blue marbles?
10:3
For every 9 token Lisa has, Toby has 13. Write a ratio of the number of tokens Lisa has to the number of tokens Toby has
9:13
9 to 13
9/13
If it takes 8 cups of flour for every 2 tsp of baking soda to bake a cake, how many tsp of baking soda would I need for 4 cups of flour?
8 / 2 = 4
so 4 / 4 = 1
1 tsp
Write 2 ratios equivalent to 2:3
4:6
6:9
8:12
What is it called when we find the price of one item?
unit rate or unit cost
There are 27 white marbles and 13 blue marbles. What is the ratio of white to all marbles?
27:40
A recipe of lemonade calls for 2 lemons and 5 cups of water. Write a ratio describing the cups of water to number of lemons.
5:2
5 to 2
5/2
For every 2 baskets of apples, there are 5 basket of peaches. If there are 15 baskets of peaches, how many baskets of apples are there?
5 x 3 = 15
so 2 x 3 = 6
6 baskets of apples
Write 2 equivalent ratios to 1 to 2
2:4
3:6
4:8
What is the top number of a fraction called?
numerator
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of all to black blocks?
9:4
There are 43 6th grade boys and 52 6th grade girls. Write a ratio describing the total number of students in 6th grade to 6th grade girls.
95 : 52
95 to 52
95/52
I am a world class pizza chef. Every 42 minutes I can make 7 pizzas. How many minutes does it take per pizza?
42 / 7 = 6
so 6 minutes per pizza
Which ratio is equivalent to 5 to 15? 1:2 or 1:3
1:3
What is the bottom number of a fraction called?
denominator
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
There are 5 squares and 2 circles on a math mural. What is the ratio of circles to all shapes?
2 to 7
2:7
If a recipe calls for 2 cups of flour and 1 cup of brown sugar, how would that ration change if you tripled the recipe?
6 cups of flour to 3 cups of brown sugar
Which ratios are equivalent to 3:9
1:3
4:6
12:36
15:40
1:3 and 12:36
What do we call two ratios that are the same value or amount?
equivalent ratios
TRUE or FALSE: You can always make equivalent ratios by adding or subtracting the same number on both parts of a ratio.
False
There are 15 hats, 2 scarves, and 3 coats in Ms. Murray's closet.
Write is the ratio of the number of hats and coats to the total number of all items in the closet?
18: 20
18 to 20
18/20
For every 7 donuts there are 3 brownies at a bakery. At this rate, how many brownies are there if there are 56 donuts?
24 brownies.
Which ratios are equivalent to 6 to 8?
2:3
3:4
12:16
18:26
3:4 and 12:16
Comparing 2 or more quantities is a what?
ratio