First things first, prioritize major topics with our printable compilation of 8th grade math worksheets with answer keys. Pursue conceptual understanding of topics like number systems, expressions and equations, work with radicals and exponents, solve linear equations and inequalities, evaluate and compare functions, understand similarity and congruence, know and apply the Pythagorean Theorem, find volume and surface area, develop an understanding of statistics and probability and much more. Our free math worksheets for grade 8 students make sure they start right!

## Select Grade 8 Math Worksheets by Topic

Explore 30+ Eighth Grade Angles and Triangles Worksheets

Finding the Interior Angle

Take the practice of grade 8 students up a notch in finding the measure of the unknown angle by subtracting the sum of the known angles from 180 with our printable math worksheets.

Finding the Exterior Angle

An exterior angle of a triangle is equal to the sum of interior opposite angles. Use this fact to find the unknown exterior angle.

Exterior Angles | Solve for 'x'

Set up an equation by equating the sum of the interior angles to the exterior angle represented as an algebraic expression. Solve for x.

Find the Indicated Angles | Solve for 'x'

The angle measures are given as expressions. Find the value of x and then determine the measure of the indicated angles.

Angles in Composite Triangles

Solve these word format problems featuring composite triangles by finding the measures of the indicated angles.

Angles in a Triangle Worksheets

Practice finding the measures of interior and exterior angles by using the various properties of a triangle.

(24 Worksheets)