7th Grade Math STAAR review

Front

What is the probability of drawing a purple marble after drawing a blue marble from a bag containing 3 purple, 1 blue, and 1 yellow marble?

Back

3/4

Front

If Sara orders 2 eggs, a slice of bacon, and a glass of orange juice, and the sales tax is $0.48, how much change will she receive from a $10 bill?

Back

$3.56

Front

How much interest will Ann earn in 1 year if she deposits $300 in a bank account with a 4% interest rate?

Back

$12

Front

In a neighborhood of 40 houses, if company Z provides electricity to 19 houses, how many houses do not receive electricity from company Z?

Back

21 houses

Front

What is the measure of angle Q in a pentagon where the sum of the interior angles is 540 degrees, angle R is 100 degrees, and angle Q is congruent to angle S?

Back

130 degrees

Front

Define probability in the context of drawing marbles from a bag.

Back

Probability is the measure of the likelihood that an event will occur, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

What is the formula to calculate simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

How do you calculate the total cost of an order including sales tax?

Back

Total Cost = Price of Items + 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

What is the definition of congruent angles?

Back

Congruent angles are angles that have the same measure.