Standardized Math Review #1 (ratios and rates)

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

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 calculate the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units. For example, if 6 candles cost $12, the unit rate is $12 ÷ 6 = $2 per candle.

Front

What is the formula for the area of a triangle?

Back

Front

How do you set up a proportion?

Back

Front

What is the total number of quarts of iced tea that can be made with 24 tea bags if 6 bags make 1 quart?

Back

6 quarts can be made with 24 tea bags.

Front

If Store ABC sells 6 candles for $12, what is the cost per candle?

Back

The cost per candle at Store ABC is $2.

Front

If Store XYZ sells 8 candles for $14, what is the cost per candle?

Back

The cost per candle at Store XYZ is $1.75.

Front

How do you find the time it takes to run a certain distance at a constant speed?

Back

Use the formula: Time = Distance ÷ Speed. If Mark runs 8 miles in 60 minutes, his speed is 8 miles/60 minutes.

Front

What is the area of a right triangle with a base of 30 feet and a height of 18 feet?

Back