Unit 10: Patterns, Sequences, and Early Algebraic Thinking

Day 26 of 30

Find patterns in geometry

K-2Mathematics

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Learning Objective

I can find patterns in geometry.

Today's Lesson

Today we will learn how to find patterns in geometry. Math helps us solve problems and understand the world around us.

Geometry is the study of shapes, sizes, and the properties of space. Basic shapes include circles, triangles, squares, and rectangles. We learn about angles (corners where two lines meet), lines (straight paths that go on forever), and points (exact locations). Understanding geometry helps us describe the world around us and solve problems about distance, area, and volume.

Let's break this down step by step so it's easy to understand. Follow along with the examples, and don't worry if it takes some practice to get the hang of it!

Remember: Making mistakes is part of learning. If something is tricky, try again, look at the examples, or ask for help.

Key Terms
Geometry

Math about shapes and space

Problem

A question we need to solve

Activities
Instructions
1. Use objects or pictures to explore find patterns in geometry. 2. Try the examples together. 3. Solve practice problems. 4. Check your work.
Materials Needed
  • Counters or objects
  • Pencil
  • Practice sheet
Practice Problems
1

What is the sum of angles in a triangle?

Hint: All triangles have the same angle sum.
2

If two angles of a triangle are 60° and 80°, what is the third angle?

Hint: The three angles must add to 180°.
3

Name three types of triangles based on their sides.

Hint: Think about sides being equal or different.

Teaching Tip

For younger learners: Use concrete objects and hands-on activities when teaching find patterns in geometry. Keep sessions short (10-15 minutes) and incorporate movement or songs when possible.

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