# Math

## Pre-K skills

- Count dots (up to 3)
- Inside and outside
- Same and different
- Long and short
- Pennies, nickels, dimes, and quarters

#### See all 43 pre-K skills

## Kindergarten skills

- Count groups of ten
- Identify halves, thirds, fourths
- More or less likely
- Holds more or less
- Geometry of everyday objects

#### See all 130 kindergarten skills

## First-grade skills

- Addition sentences to 10 using number lines
- Subtracting zero and all
- Simple fractions: what fraction does the shape show?
- Recognize patterns
- Reading clocks

#### See all 180 first-grade skills

## Second-grade skills

- Growing patterns
- Identify repeated addition in arrays: sums to 10
- Ways to make a number using subtraction
- Create pictographs
- Which customary unit of volume is appropriate?

#### See all 247 second-grade skills

## Third-grade skills

- Reflection, rotation, and translation
- Show fractions: fraction bars
- Show fractions: area models
- Identify fractions on number lines
- What decimal number is illustrated?

#### See all 290 third-grade skills

## Fourth-grade skills

- Circle graphs
- Order fractions
- Place values in decimal numbers
- Add and subtract decimals: word problems
- Calculate probability

#### See all 287 fourth-grade skills

## Fifth-grade skills

- Multiply a decimal by a one-digit whole number
- Add fractions with unlike denominators
- Multiply unit fractions and whole numbers: sorting
- Unit prices
- Percent of a number

#### See all 319 fifth-grade skills

## Sixth-grade skills

- Integers on number lines
- Compare and order integers
- Which is the better coupon?
- Multiply fractions: word problems
- Divide fractions and mixed numbers

#### See all 291 sixth-grade skills

## Seventh-grade skills

- Add and subtract integers
- Similar figures and indirect measurement
- Translations: find the coordinates
- Distributive property
- Make predictions

#### See all 259 seventh-grade skills

## Eighth-grade skills

- Converse of the Pythagorean theorem: is it a right triangle?
- Volume and surface area of similar solids
- Slopes of parallel and perpendicular lines
- Add and subtract polynomials using algebra tiles
- Quartiles

#### See all 275 eighth-grade skills

## Algebra 1 skills

- Greatest possible error
- Solve a system of equations by graphing
- Solve a quadratic equation by factoring
- Rational functions: asymptotes and excluded values
- Simplify rational expressions

#### See all 276 Algebra 1 skills

## Geometry skills

- Perpendicular Bisector Theorem
- Triangle Angle-Sum Theorem
- SSS, SAS, ASA, and AAS Theorems
- Triangle Inequality Theorem
- Similarity of circles

#### See all 202 Geometry skills

## Algebra 2 skills

- Solve matrix equations using inverses
- Descartes' Rule of Signs
- Quotient property of logarithms
- Find the vertex of a parabola
- Write equations of ellipses in standard form from graphs

#### See all 291 Algebra 2 skills

## Precalculus skills

- Graph sine functions
- Introduction to the complex plane
- Convert complex numbers between rectangular and polar form
- Match polar equations and graphs
- Expected values of random variables

#### See all 217 Precalculus skills

## Coming soon

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