Students will find angle sums using a baseball diamond diagram.

Teach your students about symmetry with real life objects! Have them draw lines of symmetry for various shapes, food items, and objects.

Students will solve area problems by multiplying side lengths for rectangular shapes in real world contexts.

Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.

Symmetry is everywhere, but it's often hard to notice. This lesson explores a few ways to identify it. By folding and making mirror images for different shapes, students will discover a new world of symmetrical figures.

Explore the beauty of Navajo rug weaving with this lesson that integrates indigenous culture, math and art. Students will learn and practice symmetry and create a design in the tradition of the Navajo rug pattern called “Two Grey Hills”.

Geometry is everywhere! Lines, line segments, and points are all around. In this lesson, your students will learn about important aspects of geometry.

Let your students decorate their own room with this lesson that has them use area to place furniture in a room.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

In this lesson, your students will use their auditory, visual, and kinetic skills to learn about angles. Students will use their artistic and linguistic abilities to learn about angles and lines.

Enhance your students' multiplication toolbox by teaching them the lattice strategy for multiplication. Use this lesson as a standalone or as a prelesson to Multiplication Bingo: Two-Digit Numbers.

Obtuse, acute, and right angles, oh my! In this hands-on lesson, students will learn about different kinds of angles through motion. Mastering this pre-geometry skill will help kids tackle advanced math as they get older.

Perpendicular, intersect, parallel! In this lesson, students work in teams to complete a Frayer Model on each of these terms to become masters of geometry vocabulary. Teach this lesson on its own or as support to the lesson What's My Line?

Charts, graphs, and diagrams are complex text features for students to decipher. Use this lesson to familiarize students with these features. It can be taught on its own or before the lesson Charts and Graphs and Diagrams, Oh My!

Making mistakes helps us learn! Your students will flex their analytical muscles to pinpoint errors in multiplication problems using arrays. Use the lesson on its own or as support to Base Ten Arrays for Multi-Digit Multiplication.

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!