7th Grade MATH STAAR Review

Front

What are dependent events in probability?

Back

Dependent events are events where the outcome of one event affects the outcome of another event.

Front

What are independent events in probability?

Back

Independent events are events where the outcome of one event does not affect the outcome of another event.

Front

How do you set up an inequality to find the maximum number of rides Calvin can go on?

Back

The inequality is set up as 3 + 1.5x ≤ 20, where x is the number of rides.

Front

What is the formula to calculate simple interest?

Back

Simple Interest = Principal × Rate × Time.

Front

If Ann puts $300 in a bank account earning 4% interest, how much interest will she earn in 1 year?

Back

She will earn $12 in interest.

Front

What is the total cost of Sara's breakfast if she ordered 2 eggs, a slice of bacon, and a glass of orange juice?

Back

Total cost = Price of 2 eggs + Price of bacon + Price of orange juice + Sales tax.

Front

What is the sum of the interior angles of a pentagon?

Back

The sum of the interior angles of a pentagon is 540 degrees.

Front

If angle R in pentagon PQRST measures 100 degrees and angles Q and S are congruent, how do you find the measure of angle Q?

Back

Subtract the measures of the known angles from 540 degrees and divide by 2.

Front

What is the value of x in the inequality 3 + 1.5x ≤ 20?

Back

x ≤ 11.33, so the greatest number of rides is 11.

Front

What is the change Sara should receive from a $10 bill after her breakfast?

Back

Sara should receive $3.56 in change.