# Math

## Pre-K skills

- Identify circles, squares, and triangles
- Represent numbers (up to 5)
- Classify by color
- Wide and narrow
- Pennies, nickels, dimes, and quarters

#### See all 48 pre-K skills

## First-grade skills

- Addition sentences to 10 using number lines
- Subtraction facts - numbers up to 10
- Ten more or less
- Measure using an inch ruler
- Certain, probable, unlikely, and impossible

#### See all 180 first-grade skills

## Second-grade skills

- Ordinal numbers up to 100th
- Add multiples of 10
- Add and subtract numbers up to 100
- How much more to make a dollar?
- Time words: o'clock, half, quarter

#### See all 254 second-grade skills

## Third-grade skills

- Place value names
- Estimate sums
- Sort shapes into a Venn diagram
- Which metric unit is appropriate?
- Compare and convert metric units of length

#### See all 308 third-grade skills

## Fourth-grade skills

- Addition: fill in the missing digits
- Simplify expressions using order of operations and parentheses
- Create bar graphs
- Numeric patterns: word problems
- Area of squares and rectangles

#### See all 290 fourth-grade skills

## Sixth-grade skills

- Estimate square roots
- Integer addition and subtraction rules
- Add and subtract like terms
- Divide fractions by whole numbers in recipes
- Classify quadrilaterals

#### See all 293 sixth-grade skills

## Seventh-grade skills

- Find the percent: tax, discount, and more
- Reflections: graph the image
- Arithmetic sequences
- Distributive property
- Make predictions

#### See all 261 seventh-grade skills

## Eighth-grade skills

- Evaluate negative exponents
- Cube roots of perfect cubes
- Converse of the Pythagorean theorem: is it a right triangle?
- Volume and surface area of spheres
- Dilations: scale factor and classification

#### See all 285 eighth-grade skills

## Algebra 1 skills

- Point-slope form: write an equation
- Linear inequalities: word problems
- Factor by grouping
- Write linear, quadratic, and exponential functions
- Rational functions: asymptotes and excluded values

#### See all 281 Algebra 1 skills

## Geometry skills

- Truth tables
- Converses, inverses, and contrapositives
- SSS, SAS, ASA, and AAS Theorems
- Triangle Inequality Theorem
- Angles in inscribed quadrilaterals

#### See all 209 Geometry skills

## Algebra 2 skills

- Graph a quadratic function
- Nth roots
- Find the vertex of a parabola
- Convert between radians and degrees
- Symmetry and periodicity of trigonometric functions

#### See all 298 Algebra 2 skills

## Precalculus skills

- Find the eccentricity of an ellipse
- Match polar equations and graphs
- Find the magnitude of a vector
- Partial sums of arithmetic series
- Expected values of random variables

#### See all 237 Precalculus skills

## Coming soon

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