# Math

## First-grade skills

- Counting - up to 100
- Even and odd numbers on number lines
- Adding doubles
- Adding three numbers
- Related addition facts

#### See all 185 first-grade skills

## Second-grade skills

- Put numbers up to 1,000 in order
- Fact families
- Round to the nearest ten
- How much more to make a dollar?
- Fraction word problems

#### See all 257 second-grade skills

## Third-grade skills

- Addition, subtraction, multiplication, and division word problems
- Multi-step word problems
- Compare and convert metric units of length
- Find equivalent fractions using area models
- What decimal number is illustrated?

#### See all 345 third-grade skills

## Fourth-grade skills

- Open and closed shapes and qualities of polygons
- Area of squares and rectangles
- Order fractions
- Add up to 4 fractions with denominators of 10 and 100
- Decimal number lines

#### See all 292 fourth-grade skills

## Fifth-grade skills

- Multiply fractions by whole numbers using number lines
- Multiply fractions by whole numbers: word problems
- Ratios: word problems
- Nets of 3-dimensional figures
- Area of triangles

#### See all 322 fifth-grade skills

## Sixth-grade skills

- Prime factorization
- Divide fractions by whole numbers in recipes
- Scale drawings
- Graph a two-variable equation
- Complementary and supplementary angles

#### See all 304 sixth-grade skills

## Seventh-grade skills

- Put rational numbers in order
- Understanding negative exponents
- Find the percent: tax, discount, and more
- Estimate tips
- Pythagorean theorem: word problems

#### See all 280 seventh-grade skills

## Eighth-grade skills

- Evaluate negative exponents
- Convert rates and measurements: customary units
- Interior angles of polygons
- Solve two-step equations
- Scatter plots

#### See all 301 eighth-grade skills

## Algebra 1 skills

- Greatest possible error
- Identify independent and dependent variables
- Write direct variation equations
- Equations of horizontal and vertical lines
- Classify a system of equations

#### See all 287 Algebra 1 skills

## Geometry skills

- Truth tables
- SSS, SAS, ASA, and AAS Theorems
- Hypotenuse-Leg Theorem
- Properties of trapezoids
- Inscribed angles

#### See all 209 Geometry skills

## Algebra 2 skills

- Inverse of a matrix
- Quotient property of logarithms
- Find the center of a circle
- Find the foci of an ellipse
- Trigonometric ratios in similar right triangles

#### See all 303 Algebra 2 skills

## Precalculus skills

- Factor sums and differences of cubes
- Find the eccentricity of an ellipse
- Graph a resultant vector using the triangle method
- Introduction to sigma notation
- Find conditional probabilities

#### See all 250 Precalculus skills

## Coming soon

We're constantly adding new skills and problem types for all grade levels! Learn more