Math Example: Algebra Tiles: Example 2

Topic

Numerical and Algebraic Expressions

Description

This example illustrates the addition of 6 and -3 using algebra tiles. It shows 6 yellow tiles representing positive integers and 3 red tiles representing negative integers. After removing zero pairs (one yellow tile cancels out one red tile), the result is 3 yellow tiles, demonstrating that 6 + (-3) = 3.

Algebra tiles are particularly useful for teaching operations with positive and negative numbers. By using different colors to represent positive and negative values, students can visually understand how these numbers interact. This concrete representation helps bridge the gap between abstract concepts and real-world applications, making it easier for students to grasp more complex mathematical ideas.

Providing students with multiple examples is essential for reinforcing mathematical concepts. Each example offers a new perspective on the topic, allowing students to see how the same principles apply in different scenarios. This variety helps students develop flexibility in their thinking and improves their ability to apply mathematical concepts to novel situations.

Teacher Script: "Now, let's see how we can use algebra tiles to add a positive and a negative number. We start with 6 yellow tiles for the positive 6, and 3 red tiles for the negative 3. When we combine them, we can pair up the red and yellow tiles to make zero pairs. After removing these pairs, we're left with 3 yellow tiles. This shows us that 6 plus negative 3 equals 3. Can you think of another example where we might add a positive and negative number?"

For a complete collection of math examples related to Numerical and Algebraic Expressions click on this link: Math Examples: Algebra Tiles Collection.