Holiday Ratios/Review

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:b'.

Front

How do you find a fraction of a number?

Back

To find a fraction of a number, multiply the number by the numerator and then divide by the denominator.

Front

If Mrs. Kennedy has 24 snowballs and Mrs. Smith has 1/3 as many, how many snowballs does Mrs. Smith have?

Back

8 snowballs.

Front

What is the total number of bulbs if there are 20 green bulbs and 70 other bulbs?

Back

90 total bulbs.

Front

What is the ratio of blue to green to red if there are 2 blue, 4 green, and 4 red bulbs?

Back

2:4:4.

Front

How do you set up an equivalent ratio?

Back

To set up an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

If there are 21 blue bulbs and the ratio of blue to red is 3:2, how many red bulbs are there?

Back

14 red bulbs.

Front

If Miss Skolski has 6 candy canes and Ms. Dallaire has 3 times more, how many does Ms. Dallaire have?

Back

18 candy canes.

Front

How many candy canes does Mrs. Sampson have if she has 4 less than Ms. Dallaire?

Back

14 candy canes.

Front

What is the first step in solving a ratio problem?

Back

Identify the quantities being compared and their relationship.