Ratio Tables

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'.

Front

How do you create a ratio table?

Back

A ratio table is created by listing pairs of numbers that maintain a constant ratio. For example, if the ratio is 2:3, the table might include (2, 3), (4, 6), (6, 9), etc.

Front

What does it mean to solve for a variable in a ratio table?

Back

Solving for a variable in a ratio table means finding the unknown value that maintains the ratio with the known values.

Front

If Kaleigh buys 3 apps for $9, how much would 7 apps cost?

Back

$21 (using the ratio 3 apps : $9 to find the cost for 7 apps).

Front

What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

Back

5 to 3.

Front

How do you find the total cost from a ratio table?

Back

Multiply the number of items by the cost per item as shown in the ratio table.

Front

If Hilbert burns 120 calories in 30 minutes, how many calories does he burn in 10 minutes?

Back

40 calories (using the ratio 120 calories : 30 minutes).

Front

What is the purpose of a ratio table?

Back

A ratio table helps to visualize and calculate equivalent ratios and to solve problems involving proportional relationships.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they simplify to the same fraction or if their cross products are equal.

Front

If the cost of 5 bags of popcorn is $15, what is the cost of 20 bags?

Back

$60 (using the ratio 5 bags : $15 to find the cost for 20 bags).