Bell Work Nov 19

Front

What is the formula to calculate the rate of distance traveled per hour?

Back

Rate = Distance / Time

Front

If a boy scout troop hikes 6 miles in 3 hours, how do you find the miles per hour?

Back

Divide the total distance (6 miles) by the total time (3 hours) to get 2 miles per hour.

Front

How do you calculate the cost per item when given the total cost and quantity?

Back

Cost per item = Total Cost / Quantity

Front

If you buy 8 candy bars for $4, what is the cost of one candy bar?

Back

$0.50 per candy bar.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Front

In the ratio of apps on Tati's phone, if 3 out of 5 are games, what fraction represents the apps that are not games?

Back

The fraction of apps that are not games is 2/5.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How can you determine if two ratios are equivalent?

Back

Cross-multiply the ratios and see if the products are equal.

Front

What is the equivalent ratio of 3:9?

Back

1:3, since both numbers can be divided by 3.

Front

If you have a ratio of 3:9, which of the following is NOT equivalent: 6:18, 12:36, or 12:45?

Back

12:45 is NOT equivalent to 3:9.