# What Your Children Learn in 7th Grade Math

If you’re wondering what the curriculum is like for 7th grade math, this article will give you a detailed overview of everything your children will be learning in 7th grade math. These general topics are the standard curriculum across most of the U.S. for 7th grade math.

Inside this article you will find definitions of each of the general topics for 7th grade math, as well as examples of the type of questions for that topic. Knowing this, you will be able to communicate with your children about their math this year.

## Probability

A probability is the likelihood of a favorable or specific outcome happening. In this unit 7th grade math students will learn how to calculate the likelihood of certain events occurring, such as the chance of rolling a six twice in a row when throwing dice.

## Expressions and Equations

An expression is a mathematical statement made up of numbers, variables, and arithmetic operators (such as addition and subtraction). The main difference between an expression and an equation is that expressions don't equate to anything, whereas an equation does.

Expressions are used to create equations. An example of an expression is 3x-1, whereas an equation would be something like 3x-1=2. In 7th grade math students begin solving more complex equations.

## Inequalities

An inequality is a mathematical sentence that makes a non-equal comparison between two mathematical expressions.If two mathematical expressions are separated by symbols such as > or < it represents an inequality. Examples of inequality include 2x > 4 or 5y < 20.

## Application of Percentages

Percentages have many real-life applications. Discounts in price for example are usually expressed in percentages. In 7th grade math, students work more in depth with percentages and can begin to solve problems such as, 30 is 60% of what number?

## Angles & Triangles

Angles are formed by two intersecting lines. In 7th grade math students learn about different types of angles. Additionally they will learn about triangles, different types of triangles and the angles different types of triangles form. They will learn to determine angles and side lengths of triangles with only limited data about the triangle.

## Area of Triangles

In this unit students learn how to find the area of triangles, meaning how much space is inside the triangle. This uses their earlier knowledge of angles, building on it and giving them the ability to find the area of triangles using angles.

## Area Of Other Two Dimensional Shapes

After mastering triangles, students will learn to find the area of all types of shapes including circles and different four sided shapes. They will also learn to calculate the perimeter (distance around) of these various shapes.

## Volume and Surface Area of Various Shapes

### Cylinders

A cylinder is a three-dimensional solid with two parallel circular bases connected by a curved face. Students will learn to calculate the volume and surface area of cylinders in 7th grade math.

### Cones

A cone is a three-dimensional (solid) figure having a circular base and a pointed edge at the top called the vertex. In 7th grade math students learn to calculate the volume and surface area of cones.

### Pyramids

Next students will learn to calculate the volume and surface area of various types of pyramids.

### Spheres

A sphere is a perfectly round ball. Students will learn to determine the volume and surface area of spheres.

### Prisms

A prism is a three-dimensional solid with a pair of identical and parallel faces at opposite ends (called bases of the prism). 7th grade math students will learn to calculate the volume and surface area of prisms.

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