In this post we write about making of the real numbers working model – maths tlm – diy

Creating a hierarchy/flowchart-style working model to represent real numbers using cardboard and color paper can be an effective way to understand the relationships between different types of real numbers.

Let’s build a simple 3D model to showcase the classification of real numbers.

Materials needed:

- Cardboard (for the base and structures)
- Color paper (for representing different types of real numbers)
- 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.

- Real Numbers Classification:
- Use color paper to create different shapes or rectangles for each type of real number: natural numbers, whole numbers, integers, rational numbers, and irrational numbers.
- Arrange the shapes in a hierarchical or flowchart-style manner on the base, with each type of real number placed below the one that encompasses it.

- Natural Numbers:
- Use color paper to represent natural numbers (positive counting numbers).
- Cut out small circles or rectangles and label them with natural numbers such as 1, 2, 3, and so on.
- Arrange these shapes in the corresponding section of the model.

- Whole Numbers:
- Use a different color paper to represent whole numbers (natural numbers plus zero).
- Cut out shapes for each whole number (including zero) and label them accordingly.
- Arrange these shapes below the natural numbers section.

- Integers:
- Use another color paper to represent integers (whole numbers and their negatives).
- Cut out shapes for each positive and negative integer (including zero) and label them.
- Arrange these shapes below the whole numbers section.

- Rational Numbers:
- Use a new color paper to represent rational numbers (numbers that can be expressed as fractions).
- Cut out shapes for various rational numbers (fractions) and label them.
- Arrange these shapes below the integers section.

- Irrational Numbers:
- Use a different color paper to represent irrational numbers (numbers that cannot be expressed as fractions).
- Cut out shapes for various irrational numbers (e.g., square root of 2) and label them.
- Arrange these shapes below the rational numbers section.

- Labeling and Details:
- Use marker pens or sketch pens to label each section with the corresponding type of real number (natural numbers, whole numbers, integers, rational numbers, and irrational numbers).
- You can add brief descriptions or explanations to the model.

- Decorating the Model:
- Use markers or color paper to decorate the model and add more details to make it visually appealing.

ow, you have a 3D working model that represents real numbers in a hierarchy/flowchart-style using cardboard and color paper. This model can be a helpful visual aid to understand the classification of real numbers and their relationships. It’s an interactive and creative way to explore the different types of real numbers and their properties.

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