24 STAAR Wars #11-16

Front

Back

Front

How do you calculate the probability of two independent events occurring together?

Back

Front

What is the formula for the area of a circle?

Back

Front

If a circle has an area of approximately 28.26 square centimeters, what is the radius?

Back

Using the area formula, the radius is approximately 3 cm.

Front

What is a circle graph (pie chart) used for?

Back

A circle graph is used to represent data as parts of a whole, showing the percentage of each category.

Front

How do you find the difference in the number of people using two different types of transportation from a survey?

Back

Subtract the number of people using one type of transportation from the number using another type.

Front

What is the average cost of electricity in a city if it is $0.12 per kilowatt-hour?

Back

The average cost is $0.12 per kilowatt-hour.

Front

What does it mean for a spinner to be divided into equal sections?

Back

It means each section has the same probability of being landed on when the spinner is spun.

Front

How do you determine the probability of spinner X landing on a specific number and spinner Y landing on a specific color?

Back

Calculate the probability of each spinner independently and multiply them together.

Front

What is the relationship between the radius and area of a circle?

Back

The area increases with the square of the radius; if the radius doubles, the area increases by a factor of four.