Unit 8: Introductory Geometry and Spatial Reasoning

Day 23 of 30

Solve tangrams and spatial puzzles

K-2Mathematics

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Learning Objective

I can solve tangrams and spatial puzzles.

Today's Lesson

Today we will learn how to solve tangrams and spatial puzzles. Math helps us solve problems and understand the world around us.

Spatial reasoning is the ability to visualize and manipulate shapes and figures mentally. Tessellations are patterns made by fitting shapes together without gaps or overlaps—like floor tiles. Regular tessellations use one type of regular polygon: equilateral triangles, squares, and regular hexagons tessellate. Tangrams use 7 geometric pieces to form various shapes, building visualization skills. Building with blocks develops understanding of 3D shapes, balance, and spatial relationships. These spatial skills connect mathematics to art, architecture, engineering, and everyday problem-solving.

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
Problem

A question we need to solve

Solution

The answer to a problem

Activities
Instructions
1. Use objects or pictures to explore solve tangrams and spatial puzzles. 2. Try the examples together. 3. Solve practice problems. 4. Check your work.
Materials Needed
  • Counters or objects
  • Pencil
  • Practice sheet
Practice Problems
1

Practice Problem 1: Apply what you learned today.

Hint: Review the examples from the lesson.
2

Practice Problem 2: Try a similar problem on your own.

Hint: Use the strategies you learned.
3

Challenge: Can you create your own problem like the ones we practiced?

Hint: Think about the pattern in the problems.

Teaching Tip

For younger learners: Use concrete objects and hands-on activities when teaching solve tangrams and spatial puzzles. Keep sessions short (10-15 minutes) and incorporate movement or songs when possible.

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