# Math

## Kindergarten skills

- Count forward and backward - up to 10
- Left, middle, and right
- Identify halves, thirds, fourths
- Seasons
- Holds more or less

#### See all 147 kindergarten skills

## First-grade skills

- Counting tens and ones - up to 99
- Related addition facts
- Addition facts - sums to 20
- Least number of coins
- Read a calendar

#### See all 185 first-grade skills

## Second-grade skills

- Greatest and least - word problems - up to 1,000
- Addition word problems - up to two digits
- Complete the subtraction sentence - up to two digits
- Fact families
- Round to the nearest ten

#### See all 257 second-grade skills

## Third-grade skills

- Place value names up to thousands
- Convert between standard and expanded form
- Count equal groups
- Estimate sums
- Add and subtract decimals

#### See all 345 third-grade skills

## Fourth-grade skills

- Area of squares and rectangles
- Use area and perimeter to determine cost
- Rotational symmetry
- Parallel, perpendicular, intersecting
- Add and subtract decimals: word problems

#### See all 292 fourth-grade skills

## Fifth-grade skills

- Understanding integers
- Multiply two decimals using grids
- Percent of a number
- Find start and end times: word problems
- Area of triangles

#### See all 322 fifth-grade skills

## Sixth-grade skills

- Scale drawings
- Percents - calculate tax, tip, mark-up, and more
- Volume of cubes and rectangular prisms
- Create double bar graphs
- Probability of dependent and independent events

#### See all 304 sixth-grade skills

## Seventh-grade skills

- Put rational numbers in order
- Estimate tips
- Evaluate multi-variable expressions
- Pythagorean theorem: word problems
- Make predictions

#### See all 280 seventh-grade skills

## Eighth-grade skills

- Solutions to inequalities
- Slopes of parallel and perpendicular lines
- Add and subtract polynomials using algebra tiles
- Add polynomials to find perimeter
- Multiply and divide monomials

#### See all 301 eighth-grade skills

## Algebra 1 skills

- Graph solutions to absolute value equations
- Add and subtract matrices
- Match exponential functions and graphs
- Write linear, quadratic, and exponential functions
- Add and subtract radical expressions

#### See all 287 Algebra 1 skills

## Geometry skills

- Perpendicular Bisector Theorem
- Truth tables
- Converses, inverses, and contrapositives
- Properties of trapezoids
- Similar triangles and similarity transformations

#### See all 209 Geometry skills

## Algebra 2 skills

- Determinant of a matrix
- Quotient property of logarithms
- Write equations of circles in standard form using properties
- Find the center, vertices, or co-vertices of an ellipse
- Law of Sines

#### See all 303 Algebra 2 skills

## Precalculus skills

- Rational root theorem
- Solve systems of linear inequalities by graphing
- Find the component form of a vector
- Find probabilities using the addition rule
- Graph a discrete probability distribution

#### See all 250 Precalculus skills

## Coming soon

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