# Math

## Pre-K skills

- Identify circles, squares, and triangles
- Count shapes (up to 5)
- Inside and outside
- Classify by color
- Wide and narrow

#### See all 43 pre-K skills

## First-grade skills

- Counting tens and ones - up to 99
- Adding doubles
- Addition facts - sums to 20
- Count sides and vertices
- Read a thermometer

#### See all 180 first-grade skills

## Second-grade skills

- Ordinal numbers up to 100th
- Growing patterns
- Compare clocks
- Flip, turn, and slide
- Perimeter - word problems

#### See all 247 second-grade skills

## Third-grade skills

- Convert between standard and expanded form
- Multi-step word problems
- Relate addition and multiplication
- Show fractions: fraction bars
- Identify fractions on number lines

#### See all 290 third-grade skills

## Fourth-grade skills

- Simplify expressions using order of operations and parentheses
- Open and closed shapes and qualities of polygons
- Area of squares and rectangles
- Place values in decimal numbers
- Decimal number lines

#### See all 287 fourth-grade skills

## Fifth-grade skills

- Convert fractions to decimals
- Least common multiple
- Add fractions with unlike denominators
- Ratios: word problems
- Percent of a number

#### See all 319 fifth-grade skills

## Sixth-grade skills

- Circle graphs with fractions
- Divide fractions and mixed numbers
- Complementary and supplementary angles
- Find missing angles and side lengths in triangles and quadrilaterals
- Volume of cubes and rectangular prisms

#### See all 291 sixth-grade skills

## Seventh-grade skills

- Understanding negative exponents
- Perimeter, area, and volume: changes in scale
- Pythagorean theorem: word problems
- Model and solve equations using algebra tiles
- Identify linear and nonlinear functions

#### See all 259 seventh-grade skills

## Eighth-grade skills

- Rate of change
- Convert rates and measurements: customary units
- Distance between two points
- Volume and surface area of similar solids
- Solve equations involving like terms

#### See all 275 eighth-grade skills

## Algebra 1 skills

- Graph solutions to one-step linear inequalities
- Write an equation for a parallel or perpendicular line
- Classify a system of equations
- Characteristics of quadratic functions
- Add and subtract radical expressions

#### See all 276 Algebra 1 skills

## Geometry skills

- SSS, SAS, ASA, and AAS Theorems
- Congruency in isosceles and equilateral triangles
- Properties of trapezoids
- Tangent lines
- Angles in inscribed quadrilaterals

#### See all 202 Geometry skills

## Algebra 2 skills

- Descartes' Rule of Signs
- Find the center of a circle
- Write equations of circles in standard form using properties
- Find the foci of a hyperbola
- Convert between radians and degrees

#### See all 291 Algebra 2 skills

## Precalculus skills

- Graph sine functions
- Write equations of cosine functions using properties
- Find the eccentricity of an ellipse
- Convert complex numbers between rectangular and polar form
- Match polar equations and graphs

#### See all 217 Precalculus skills

## Coming soon

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