# Seventh grade math lessons

Brush up on important topics with IXLâ€™s seventh grade math lessons! Once you're ready, start practicing what you've learned in one of IXL's skills.

#### Integers

#### Decimals

#### Rational numbers

#### Exponents and powers of 10

#### Properties and mixed operations

#### Percents, ratios, and rates

#### Proportions and proportional relationships

#### Algebra

#### Geometry

- Area of triangles
- Area of parallelograms
- Area of rhombuses
- Area of trapezoids
- Parts of a circle
- Area of circles
- Circumference of circles
- Complementary angles
- Supplementary angles
- Adjacent angles
- Vertical angles
- Nets
- What is surface area?
- Surface area formulas
- Volume formulas
- Volume of rectangular prisms
- Volume of prisms
- Volume of cylinders
- Volume of pyramids
- Cross sections