# Math

## Pre-K skills

- Count dots (up to 3)
- Compare groups (fewer or more)
- Above and below
- Classify by color
- Pennies, nickels, dimes, and quarters

#### See all 43 pre-K skills

## Kindergarten skills

- Names of numbers - up to 10
- Fewer, equal, and more
- Subtract with pictures - numbers up to 5
- Read clocks and write times
- Making graphs

#### See all 130 kindergarten skills

## First-grade skills

- Estimate to the nearest ten
- Which bar graph is correct?
- Read a thermometer
- Measure using objects
- Months of the year

#### See all 180 first-grade skills

## Second-grade skills

- Greatest and least - word problems - up to 1,000
- Identify repeated addition in arrays: sums to 10
- Guess the number
- Which line graph is correct?
- Compare fractions using models

#### See all 247 second-grade skills

## Third-grade skills

- Multiply numbers ending in zeroes
- Add and subtract money amounts
- Which metric unit is appropriate?
- Triangles: acute, right, and obtuse
- Show fractions: area models

#### See all 290 third-grade skills

## Fourth-grade skills

- Divide larger numbers by 1-digit numbers: complete the table
- Convert between metric and customary units
- Time zones
- Parallel, perpendicular, intersecting
- Add up to 4 fractions with denominators of 10 and 100

#### See all 287 fourth-grade skills

## Fifth-grade skills

- Understanding integers
- Nets of 3-dimensional figures
- Greatest common factor
- Multiply two fractions using models
- Write variable expressions

#### See all 319 fifth-grade skills

## Seventh-grade skills

- Square roots of perfect squares
- Solve proportions
- Find the percent: tax, discount, and more
- Create histograms
- Identify linear and nonlinear functions

#### See all 259 seventh-grade skills

## Eighth-grade skills

- Factors
- Cube roots of perfect cubes
- Rate of change
- Volume of prisms and cylinders
- Solve two-step linear equations

#### See all 275 eighth-grade skills

## Algebra 1 skills

- Add and subtract matrices
- Solve a system of equations using substitution
- Factor polynomials
- Solve a quadratic equation by factoring
- Solve a quadratic equation using the quadratic formula

#### See all 276 Algebra 1 skills

## Geometry skills

- Construct the midpoint or perpendicular bisector of a segment
- Triangle Angle-Sum Theorem
- Interior angles of polygons
- Properties of trapezoids
- Similar triangles and similarity transformations

#### See all 202 Geometry skills

## Algebra 2 skills

- Solve a system of equations in three variables using substitution
- Inverse of a matrix
- Complex conjugates
- Composition of linear functions
- Find the foci of a hyperbola

#### See all 291 Algebra 2 skills

## Precalculus skills

- Find the eccentricity of an ellipse
- Match polar equations and graphs
- Find the component form of a vector
- Add and subtract three-dimensional vectors
- Convergent and divergent geometric series

#### See all 217 Precalculus skills

## Coming soon

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