# Math

## Pre-K skills

- Identify circles, squares, and triangles
- Same and different
- Long and short
- Light and heavy
- Count pennies

#### See all 43 pre-K skills

## Kindergarten skills

- Number lines - up to 20
- Count groups of ten
- Skip-count by fives
- Holds more or less
- Relate planar and solid figures

#### See all 130 kindergarten skills

## First-grade skills

- Addition word problems - sums to 10
- Addition facts - sums to 20
- Count sides and vertices
- Certain, probable, unlikely, and impossible
- Read a calendar

#### See all 180 first-grade skills

## Second-grade skills

- Ordinal numbers up to 100th
- Identify repeated addition in arrays: sums to 10
- Addition word problems - up to two digits
- Time words: o'clock, half, quarter
- Which line graph is correct?

#### See all 248 second-grade skills

## Third-grade skills

- Convert between standard and expanded form
- Division facts to 12
- Estimate sums
- Add and subtract money amounts
- Mean, median, mode, and range

#### See all 300 third-grade skills

## Fourth-grade skills

- Time zones
- Use area and perimeter to determine cost
- Parallel, perpendicular, intersecting
- Place values in decimal numbers
- Decimal number lines

#### See all 289 fourth-grade skills

## Fifth-grade skills

- Divide by powers of ten
- Greatest common factor
- Subtract fractions with unlike denominators
- Multiply two fractions using models
- Unit prices

#### See all 320 fifth-grade skills

## Sixth-grade skills

- Which is the better coupon?
- Solve one-step equations with whole numbers
- Create double bar graphs
- Volume of cubes and rectangular prisms
- Scale drawings

#### See all 292 sixth-grade skills

## Seventh-grade skills

- Similar figures and indirect measurement
- Translations: find the coordinates
- Reflections: graph the image
- Model and solve equations using algebra tiles
- Find the slope of a graph

#### See all 261 seventh-grade skills

## Eighth-grade skills

- Positive and negative square roots
- Simple interest
- Scatter plots
- Solve two-step linear equations
- Graph a line using slope

#### See all 278 eighth-grade skills

## Algebra 1 skills

- Equations of horizontal and vertical lines
- Linear inequalities: word problems
- Characteristics of quadratic functions
- Solve a quadratic equation by factoring
- Add and subtract radical expressions

#### See all 279 Algebra 1 skills

## Geometry skills

- Construct the midpoint or perpendicular bisector of a segment
- Triangle Angle-Sum Theorem
- Converses, inverses, and contrapositives
- Properties of kites
- Perimeter of polygons with an inscribed circle

#### See all 208 Geometry skills

## Algebra 2 skills

- Inverse of a matrix
- Product property of logarithms
- Quotient property of logarithms
- Find the center of a circle
- Find the vertices of a hyperbola

#### See all 297 Algebra 2 skills

## Precalculus skills

- Add and subtract three-dimensional vectors
- Introduction to sigma notation
- Partial sums of arithmetic series
- Convergent and divergent geometric series
- Expected values of random variables

#### See all 228 Precalculus skills

## Coming soon

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