7th Math STAAR Review

Front

What is the formula for calculating simple interest?

Back

I = Prt, where I is the interest, P is the principal amount, r is the rate of interest, and t is the time in years.

Front

What does the 'P' in the simple interest formula I = Prt represent?

Back

The principal amount, which is the amount of money borrowed or deposited.

Front

If you have $350 and an interest rate of 2.5% for 3 years, how much interest will you earn?

Back

$26.25

Front

What is the difference between a radius and a diameter of a circle?

Back

The radius is half the length of the diameter; the diameter is the longest distance across the circle, passing through the center.

Front

What is the diameter of a circle with a radius of 5 inches?

Back

10 inches.

Front

Are two triangles similar if their corresponding angles are equal?

Back

Yes, two triangles are similar if their corresponding angles are equal.

Front

What is the definition of a radius in a circle?

Back

A radius is a line segment from the center of the circle to any point on the circle.

Front

If a circle has a diameter of 10 inches, what is its radius?

Back

5 inches.

Front

What is the formula to find the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the relationship between the circumference and diameter of a circle?

Back

The circumference is equal to π times the diameter (C = πd).