# Math

## Pre-K skills

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

#### See all 48 pre-K skills

## Kindergarten skills

- Count forward and backward - up to 10
- Count groups of ten
- Similar patterns
- Holds more or less
- Count money - pennies, nickels, and dimes

#### See all 131 kindergarten skills

## First-grade skills

- Counting tens and ones - up to 99
- Roman numerals I, V, X
- Adding doubles using models
- Adding doubles
- Months of the year

#### See all 180 first-grade skills

## Second-grade skills

- Skip-counting puzzles
- Ordinal numbers up to 100th
- Identify repeated addition in arrays: sums to 10
- Create pictographs
- Customary units of length: word problems

#### See all 254 second-grade skills

## Third-grade skills

- Multiply numbers ending in zeroes
- Add and subtract money amounts
- Which metric unit is appropriate?
- Reflection, rotation, and translation
- Add and subtract decimals

#### See all 308 third-grade skills

## Fourth-grade skills

- Rounding
- Addition: fill in the missing digits
- Open and closed shapes and qualities of polygons
- Parallel, perpendicular, intersecting
- Decompose fractions

#### See all 290 fourth-grade skills

## Fifth-grade skills

- Understanding integers
- Area of triangles
- Multiply fractions by whole numbers using number lines
- Write variable expressions
- Percent of a number

#### See all 320 fifth-grade skills

## Sixth-grade skills

- Integers on number lines
- Estimate square roots
- Unit prices: which is the better buy?
- Convert between customary and metric systems
- Find missing angles and side lengths in triangles and quadrilaterals

#### See all 293 sixth-grade skills

## Seventh-grade skills

- Put rational numbers in order
- Perimeter, area, and volume: changes in scale
- Find the slope of a graph
- Distributive property
- Make predictions

#### See all 261 seventh-grade skills

## Eighth-grade skills

- Multiply numbers written in scientific notation
- Scale drawings and scale factors
- Scatter plots
- Solve two-step linear equations
- Graph a linear function

#### See all 285 eighth-grade skills

## Algebra 1 skills

- Add and subtract matrices
- Identify functions: vertical line test
- Point-slope form: write an equation
- Factor polynomials
- Simplify radical expressions

#### See all 281 Algebra 1 skills

## Geometry skills

- Exterior Angle Theorem
- Truth tables
- Converses, inverses, and contrapositives
- Congruency in isosceles and equilateral triangles
- Midsegments of triangles

#### See all 209 Geometry skills

## Algebra 2 skills

- Solve a system of equations in three variables using substitution
- Descartes' Rule of Signs
- Product property of logarithms
- Write equations of ellipses in standard form from graphs
- Convert between radians and degrees

#### See all 298 Algebra 2 skills

## Precalculus skills

- Rational root theorem
- Add and subtract three-dimensional vectors
- Find a recursive formula
- Partial sums of arithmetic series
- Find conditional probabilities

#### See all 237 Precalculus skills

## Coming soon

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