7th Math STAAR Review

Front

What is the average (mean) of the following scores: 73, 87, 93, 89, 92, 81, 87, 91?

Back

The average is 86.7.

Front

If a lip gloss costs $8.99 and there is a 5% tax, how much do you pay in total?

Back

You pay $9.44.

Front

What is the total amount paid for a loan of $6,500 at an 8% simple interest rate over 5 years?

Back

The total amount paid is $9,100.

Front

What is the volume of a triangular prism with a length of 6cm, width of 4cm, and height of 8cm?

Back

The volume is 96cm³.

Front

If Bob wants to achieve an average of 91 after retaking a test where he scored 73, is it possible?

Back

Not Possible.

Front

Define 'mean' in mathematics.

Back

The mean is the sum of a set of values divided by the number of values.

Front

What is the formula for calculating simple interest?

Back

Simple Interest = Principal × Rate × Time.

Front

How do you calculate the volume of a prism?

Back

Volume = Base Area × Height.

Front

What is the formula for finding the average of a set of numbers?

Back

Average = (Sum of all values) / (Number of values).

Front

What does a 5% tax on a purchase mean?

Back

It means you pay an additional 5% of the purchase price as tax.