Field Trip - Review Ratios & Rate

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 simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or cost per item.

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of 14 cows to 10 horses in lowest terms?

Back

7 to 5.

Front

If a car wash can wash 4 cars in 1 hour, how many cars can it wash in 3 hours?

Back

12 cars.

Front

What is the unit rate of $16.52 for 6 yards of cloth?

Back

$2.75 per yard.

Front

How do you solve a proportion?

Back

Cross-multiply the terms and set them equal to each other, then solve for the unknown.

Front

What is the unit rate of $13.85 for 5 yards of cloth?

Back

$2.77 per yard.

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 28 girls?

Back

21 boys.