GRADE 8 MATHEMATICS TEKS/STAAR Review

A square and a rectangle have the same perimeter. The square has a side length of 8x units. The rectangle has a length of (5x + 8) units and a width of 10 units. What will be the perimeter of both the rectangle and the square?

Which of the following is the best approximation for $$\sqrt{48}$$ ?

Which rational number is between $$7\frac{2}{3}$$ and $$\sqrt{60}$$ ?

The following pairs of angle measures are the measures of two angles of two triangles. Which pair of triangles would be similar because they have two pair of congruent angles?

Look at the triangles on the grid below. $$\triangle A'B'C'$$ is a dilation of $$\triangle ABC$$ with the origin as the center of dilation. Which statement is NOT true?

Jules has $$1,200\ and\ is\ spending$$ 40 per week. Kelsey has $$400\ and\ is\ saving$$ 50 a week. In how many weeks, will Jules and Kelsey have the same amount of money?

A sphere has a radius that is 9 inches long. What is the volume of the sphere?

Which of David’s statements are correct?

Which expression does NOT represent a number that is larger than 7,000 but smaller than 70,000?

Triangle ABC has two interior angles with measures of 102° and 43°. Which of the following could be the measure of an exterior angle of triangle ABC?