Ratios and Spiral DO NOW

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you write the ratio of two quantities?

Back

To write the ratio of two quantities, you can use the format 'a:b' where 'a' is the first quantity and 'b' is the second quantity.

Front

What does the ratio 7:14 represent in terms of goldfish and snails?

Back

The ratio 7:14 represents the comparison of the number of goldfish (7) to the number of snails (14) in Joe's fish tank.

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 7:5.

Front

What is the total number of animals if there are 7 goldfish and 14 snails?

Back

The total number of animals is 21 (7 goldfish + 14 snails).

Front

How do you find the total number of items in a ratio?

Back

To find the total number of items in a ratio, add the parts of the ratio together.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

If 2 tablets of iodine are needed for 1 quart of water, how many tablets are needed for 4 quarts?

Back

You need 8 tablets of iodine to disinfect 4 quarts of water.

Front

What does the ratio 1:4 mean in terms of milkshakes to cupcakes?

Back

The ratio 1:4 means for every 1 milkshake, there are 4 cupcakes.

Front

Which statement is NOT true about the ratio of cupcakes to total items if there are 3 cupcakes and 2 milkshakes?

Back

The ratio of cupcakes to total items is 3:5, which is true.