Children find the unknown angles for five triangles, then identify whether the triangle is right, acute, or obtuse, in this geometry worksheet.

Do you believe in the Bermuda Triangle? Compare witness accounts of these weird waters and draw your own conclusions in this reading worksheet.

Don't get trapped in the Bermuda Triangle! You'll need to make some swift twists and turns to escape these notorious waters. Are you up for the challenge?

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

These "Treehouse Triangle" worksheets break down the geometric process into easy, solvable steps.

Make words from jumbled up letters. As long as the letters are somehow connected in this triangle pattern.

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.

This "Treehouse Triangles" worksheets breaks down the geometric process into simple steps. Take angles from archenemy to acquaintance with this worksheet.

Practice geometry in a fun way with this "Treehouse Triangles" worksheet. Get your child to measure angles with ease in this treehouse-themed worksheet.

Buster the Builder needs help finding the angles of the walls in this treehouse. Your child will use his geometry know-how to help him out.

Fifth graders review types of angles, triangles, and polygons in this handy geometry review.

Challenge your students to identify or draw 18 different geometric shapes, including polygons, quadrilaterals, and triangles.

In this fourth grade geometry worksheet, your child will learn how to calculate the area of a hexagon by breaking it down into rectangles and triangles first.

In this fourth grade geometry worksheet, your child will learn how to calculate the area of a pentagon by breaking it down into rectangles and triangles first.

Strengthen your child's geometry skills with this printable worksheet. Use this resource with your students to classify two-dimensional shapes like parallelograms, quadrilaterals, squares, and triangles.

Give your math student an introduction to the Pythagorean theorem with this comprehensive practice page.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.