In mathematics, a shape is a geometric figure that can be described by its outline, or boundary. Different shapes have different properties, such as the number of sides, angles, and vertices. Understanding the characteristics of different shapes is important in geometry and can help in solving various mathematical problems.

1. **Triangle:** A polygon with three sides and three angles.

2. **Square:** A quadrilateral with four equal sides and four right angles.

3. **Rectangle:** A quadrilateral with opposite sides that are equal and four right angles.

4. **Circle:** A shape with all points the same distance from its center.

5. **Pentagon:** A polygon with five sides.

6. **Hexagon:** A polygon with six sides.

7. **Octagon:** A polygon with eight sides.

1. **Number of sides:** Different shapes have a different number of sides.

2. **Angles:** Shapes can have different types of angles, such as right angles, acute angles, or obtuse angles.

3. **Area:** The amount of space inside a shape.

4. **Perimeter:** The distance around the boundary of a shape.

1. Memorize the names and properties of common shapes, including the number of sides, angles, and any special characteristics.

2. Practice identifying and drawing different shapes.

3. Learn how to calculate the area and perimeter of basic shapes.

4. Understand the relationship between different shapes, such as how they can be combined or divided to form new shapes.

By understanding the properties of shapes, you will be better equipped to solve geometric problems and understand the world around you.

Study GuideAlgebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer keyAlgebraic Equations Worksheet/Answer key

Algebraic Equations Worksheet/Answer keyAlgebraic Equations

Algebra (NCTM)

Represent and analyze mathematical situations and structures using algebraic symbols.

Recognize and generate equivalent forms for simple algebraic expressions and solve linear equations

Grade 6 Curriculum Focal Points (NCTM)

Algebra: Writing, interpreting, and using mathematical expressions and equations

Students write mathematical expressions and equations that correspond to given situations, they evaluate expressions, and they use expressions and formulas to solve problems. They understand that variables represent numbers whose exact values are not yet specified, and they use variables appropriately. Students understand that expressions in different forms can be equivalent, and they can rewrite an expression to represent a quantity in a different way (e.g., to make it more compact or to feature different information). Students know that the solutions of an equation are the values of the variables that make the equation true. They solve simple one-step equations by using number sense, properties of operations, and the idea of maintaining equality on both sides of an equation. They construct and analyze tables (e.g., to show quantities that are in equivalent ratios), and they use equations to describe simple relationships (such as 3x = y) shown in a table.