Complementary and Supplementary Angles Worksheets

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Guide your kids through this collection of complementary and supplementary angles worksheets to help them master key skills, such as finding complementary angles, identifying supplementary angles, applying angle properties, and solving linear equations and word problems. These resources include answer keys for easy review. Start with our free worksheets!

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Recognizing Complementary and Supplementary Angles | Type 1

Master the concept of complementary and supplementary angles with our worksheets by identifying the angles and subtracting the given angle from 90° or 180° to find the other angle.

Recognizing Complementary and Supplementary Angles | Type 1

Determining Complementary and Supplementary Angles | Type 2

Match the angles in the first part, then calculate and write the complement and supplement for each angle in the next part of this set of printables.

Determining Complementary and Supplementary Angles | Type 2

Identifying Complementary and Supplementary Angles | MCQs

Test your kids’ skills with these practice sheets, which include questions on identifying the angles or measures that form a supplementary or complementary pair.

Identifying Complementary and Supplementary Angles | MCQs
  • Complementary
  • Supplementary

Complementary and Supplementary Angles | MCQs

Check children’s understanding of the two angles with these exercises. Get them to analyze the angles and choose the correct options.

Complementary and Supplementary Angles | MCQs

Finding Measures of Unknown Angles

Determine the measure of the unknown angle in each pair of complementary and supplementary angles with these worksheets.

Finding Measures of Unknown Angles
  • Complementary
  • Supplementary

Complementary and Supplementary Angles | Finding Unknown

Offered here are complementary angles and supplementary angles. Subtract the given angle from 90° or 180° to find the indicated angle in these pdfs.

Complementary and Supplementary Angles | Finding Unknown

Word Problems

Each set presents a relationship between the measures of two angles in a complementary or supplementary pair. Frame an equation and solve it to figure out the angle measures.

Word Problems
  • Complementary
  • Supplementary

Complementary and Supplementary Angles | Word Problems

With these complementary and supplementary angles worksheets, find the complement or supplement of the indicated angles, or find the measures of both angles in a pair.

Complementary and Supplementary Angles | Word Problems

Solve for x | Linear Expressions

The measure of one of the angles in the complementary/supplementary pair is represented as a linear expression. Form an equation and simplify it to obtain the value of x.

Solve for x | Linear Expressions
  • Complementary
  • Supplementary

Complementary and Supplementary Angles | Solve for x

Packed with figures of complementary and supplementary pairs, this bundle of worksheets requires kids to equate the sum of the angle measures with 90° or 180° and solve for x.

Complementary and Supplementary Angles | Solve for x

Algebra in Complementary and Supplementary Angles

Set up an equation using the given expressions and find the unknown angles. More than two steps are required to solve for x.

Algebra in Complementary and Supplementary Angles