In this post of making algebraic identities working model – diy – maths tlm

Creating a working model of algebraic identities using cardboard and color paper can be a fantastic way to visualize and understand these mathematical concepts.

Let’s build a simple 3D model to represent some basic algebraic identities.

Materials needed:

Cardboard (for the base and shapes)

Color paper (for representing variables and details)

Scissors

Glue or double-sided tape

Marker pens or sketch pens

Step-by-step instructions:

Base:

Cut a rectangular or square piece of cardboard to serve as the base for the model.

Shapes:

Draw and cut out various shapes from color paper to represent different expressions in algebraic identities. For example, rectangles, squares, and triangles can be used to represent different variables and constants.

Algebraic Identities:

Write down algebraic identities on small pieces of color paper.

For example, you can have identities like “a^2 + b^2 = (a + b)^2,” “a^2 – b^2 = (a + b)(a – b),” “a^3 + b^3 = (a + b)(a^2 – ab + b^2),” etc.

Placement of Shapes and Identities:

Arrange the shapes on the base to represent different expressions.

Place the corresponding algebraic identity labels near the relevant shapes to indicate the identity being represented.

Variables and Constants:

Use markers or sketch pens to label the different shapes with variables and constants (e.g., a, b, c, x, y, 1, 2, etc.).

Visualizing the Identities:

Use the shapes to visually represent how the algebraic identities work. For example, use a square and a rectangle to demonstrate the expansion of (a + b)^2, or use a rectangle and two triangles to show the factorization of a^2 + 2ab + b^2.

Decorating the Model:

Use markers or color paper to decorate the algebraic identities model and add more details to make it visually appealing.

Now, you have a simple 3D working model of algebraic identities made from cardboard and color paper. This model can be a helpful visual aid to learn and remember various algebraic identities and understand how they work. It’s an interactive and creative way to explore algebraic concepts and enhance your understanding of mathematical expressions.