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

Identifying Triangles: Right Triangles

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

Identifying Triangles: Acute Triangles

Turn your fourth grader into a geometry detective! How many degrees is each missing angle in these quadrilaterals?

The Missing Angle: Quadrilaterals

In this excerpt from an upcoming math workbook, your junior detective will make a positive ID on obtuse, acute and right angles.

Laser Angles

Challenge your students to solve the riddles and reveal the mystery shapes on this geometry worksheet. Descriptions of the shapes are disguised as clues.

Mystery Shape Riddles

Learners will calculate the area of seven rectangles in this playful geometry worksheet.

Find the Area of a Rectangle: Level 2

Practice calculating the perimeter using real-world scenarios in this third-grade math game!

Dino Bones: Perimeter

Planning for a substitute in the classroom has never been easier than with this daily sub plan! Your substitute can keep your students learning in your absence by using these lessons, worksheets, and activities.

Fourth Grade Daily Sub Plan A

Shapes, shapes everywhere! In this lesson, your students will identify shapes and differentiate between the geometrical figures. They will also learn about sides and angles in every shape.

Quizzical Shapes

Give your students some early practice with shapes using this simple lesson. Young learners will have a great time creating shapes using pieces of string.

String Shapes!

Mae Jemison was the first African American female astronaut to enter space. Use the Get to Know Mae Jemison lesson plan to learn more about this famous scientist. Children will then read and write about her, and create their own paper rocket.

Get to Know Mae Jemison

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