Ratio Problem Solving- Kahoot Style

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 solve a ratio problem?

Back

To solve a ratio problem, identify the quantities being compared, set up a proportion if necessary, and solve for the unknown quantity.

Front

If an ostrich runs 50 miles in 60 minutes, what is its speed in miles per minute?

Back

The speed is 50 miles / 60 minutes = 5/6 miles per minute.

Front

How long would it take an ostrich to run 15 miles at the same speed?

Back

It would take 15 miles / (50 miles / 60 minutes) = 18 minutes.

Front

What is the formula to find the number of correct answers based on a ratio?

Back

Number of correct answers = (Number of problems answered correctly / Total problems) * Total problems in the next set.

Front

If Matilda answered 12 out of 15 problems correctly, what is her success rate?

Back

Her success rate is 12/15 = 0.8 or 80%.

Front

If 30 kids like grape juice, and the ratio of kids who like pineapple juice is 4:3, how many kids like pineapple juice?

Back

If 30 kids like grape juice (4 parts), then 30 * (3/4) = 22.5, which rounds to 40 kids like pineapple juice.

Front

What is the point earning rate for selling boxes of chocolate?

Back

For every 3 boxes sold, you earn 15 points.

Front

If you sell 7 boxes of chocolate, how many points do you earn?

Back

You earn (7 boxes / 3 boxes) * 15 points = 35 points.

Front

What is the ratio of candy canes to Hershey kisses in a stocking?

Back

The ratio is 4 candy canes for every 5 Hershey kisses.