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This eighth-grade geometry worksheet introduces students to the Triangle Angle Sum Theorem and has them practice finding a missing interior angle in a triangle.

Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

Students practice using the converse of the Pythagorean theorem to identify right triangles with this geometry worksheet!

Practice using the converse of the Pythagorean theorem to identify right triangles with this eighth-grade math worksheet!

How much does your child know about triangles? Can they figure out the missing angle in each of these triangles?

Find the measures of missing interior and exterior angles of triangles with this geometry worksheet!

Get more practice finding the measures of missing interior and exterior angles of triangles with this geometry worksheet!

Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

Model how to find a missing exterior angle with this eighth-grade geometry worksheet!

Learn to enjoy gerunds in this grammar practice worksheet!

Learn about the stages of mitosis with this helpful biology handout!

Huzzah! It’s time to learn about interjections!

Learn a new logic game with this simple, wintery activity!

Learn about common patterns in storytelling with this middle-grade worksheet!

Learn to switch between passive and active voice in this engaging grammar worksheet!

Use this worksheet to learn about an important element of grammar, appositives!

Learn how to approximate cube roots with this eighth-grade math worksheet!

Learn to reflexively recognize reflexive pronouns in this helpful middle school worksheet!

Learn how to analyze DNA with this informative exercise designed for middle-grade students!

Learn about the world's most famous irrational number with this helpful handout.

Learn all about charging by friction with this fascinating science worksheet for middle grades!

Learn about the history and cultures of Hispanic Americans to celebrate Hispanic Heritage Month!

Learn how hot air balloons take flight with this middle-grade worksheet about convection!

Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

Weather too chilly to go out? Stay in and learn about clauses in this wintery worksheet!

Learn how calculators display numbers in scientific notation with this eighth-grade worksheet!

Record your notes as you learn about the cell cycle with this one-page template!

Learn all about dilations on the coordinate plane with the help of this one-page handout!

Students learn all about fossil fuels with this research-based environmental science worksheet!

Help students learn and remember key types of figurative language with this convenient handout!