# Math

## Pre-K skills

- Count dots (up to 3)
- Count shapes (up to 5)
- Represent numbers (up to 5)
- Classify by color
- Pennies, nickels, dimes, and quarters

#### See all 53 pre-K skills

## First-grade skills

- Adding three numbers
- Measure using an inch ruler
- Compare money amounts
- Recognize patterns
- Read a calendar

#### See all 181 first-grade skills

## Second-grade skills

- Greatest and least - word problems - up to 1,000
- Round to the nearest ten
- Guess the number
- Making change
- Create pictographs

#### See all 255 second-grade skills

## Third-grade skills

- Place value names
- Compare and convert metric units of length
- Show fractions: area models
- What decimal number is illustrated?
- Add and subtract decimals

#### See all 342 third-grade skills

## Fourth-grade skills

- Create bar graphs
- Circle graphs
- Add and subtract mixed customary units
- Compare fractions using benchmarks
- Add and subtract decimals: word problems

#### See all 292 fourth-grade skills

## Fifth-grade skills

- Divide by powers of ten
- Add fractions with unlike denominators
- Multiply two fractions using models
- Sale prices
- Write variable expressions

#### See all 322 fifth-grade skills

## Sixth-grade skills

- GCF and LCM: word problems
- Integers on number lines
- Convert between customary and metric systems
- Which is the better coupon?
- Unit prices: which is the better buy?

#### See all 303 sixth-grade skills

## Seventh-grade skills

- Multiply and divide integers
- Put rational numbers in order
- Square roots of perfect squares
- Create histograms
- Experimental probability

#### See all 277 seventh-grade skills

## Eighth-grade skills

- Multiply numbers written in scientific notation
- Interior angles of polygons
- Volume and surface area of similar solids
- Add and subtract polynomials using algebra tiles
- Add polynomials to find perimeter

#### See all 298 eighth-grade skills

## Algebra 1 skills

- Write direct variation equations
- Solve a system of equations by graphing
- Solve a system of equations using substitution
- Solve a quadratic equation using the quadratic formula
- Add and subtract radical expressions

#### See all 284 Algebra 1 skills

## Geometry skills

- Construct the midpoint or perpendicular bisector of a segment
- Congruency in isosceles and equilateral triangles
- Midsegments of triangles
- Triangle Inequality Theorem
- Angles in inscribed right triangles

#### See all 209 Geometry skills

## Algebra 2 skills

- Solve a non-linear system of equations
- Graph a quadratic function
- Find the focus or directrix of a parabola
- Find the center, vertices, or co-vertices of an ellipse
- Find the vertices of a hyperbola

#### See all 303 Algebra 2 skills

## Precalculus skills

- Rational root theorem
- Convert complex numbers between rectangular and polar form
- Find a unit vector
- Graph a resultant vector using the triangle method
- Find probabilities using the addition rule

#### See all 249 Precalculus skills

## Coming soon

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