Topic 2

Front

What is the cost for 4 pounds of bananas according to the graph?

Back

100 cents

Front

What is the cost for 4 shirts according to the graph?

Back

about $36

Front

Which is the slowest reading rate?

Back

3 pages in 9 minutes

Front

Solve the proportion: 3/4 = x/12

Back

21

Front

What fraction of the counters are blue if the ratio of red to blue counters is 3:1?

Back

1/4

Front

Define 'ratio'.

Back

A ratio is a comparison of two quantities by division.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second as the denominator.

Front

What is the formula for finding the cost per item?

Back

Cost per item = Total cost / Number of items.

Front

How do you find the total cost from the cost per item?

Back

Total cost = Cost per item x Number of items.