# Math

## Pre-K skills

- Identify circles, squares, and triangles
- Inside and outside
- Same and different
- Long and short
- Count pennies

#### See all 48 pre-K skills

## Kindergarten skills

- Count to 5
- Number lines - up to 20
- Count groups of ten
- Subtract with pictures - numbers up to 5
- Identify halves, thirds, fourths

#### See all 131 kindergarten skills

## First-grade skills

- Related addition facts
- Subtraction word problems - one-digit numbers
- Subtraction facts - numbers up to 10
- Estimate to the nearest ten
- Read a calendar

#### See all 180 first-grade skills

## Third-grade skills

- Place value names
- Add and subtract money amounts
- Show fractions: area models
- Add and subtract decimals
- Mean, median, mode, and range

#### See all 308 third-grade skills

## Fourth-grade skills

- Rounding
- Simplify expressions using order of operations and parentheses
- Use area and perimeter to determine cost
- Decompose fractions
- Place values in decimal numbers

#### See all 290 fourth-grade skills

## Fifth-grade skills

- Multiply a decimal by a one-digit whole number
- Prime and composite numbers
- Multiply fractions by whole numbers: word problems
- Multiply two fractions using models
- Unit prices

#### See all 320 fifth-grade skills

## Sixth-grade skills

- Integers on number lines
- Prime factorization
- Add and subtract like terms
- Complementary and supplementary angles
- Proportions

#### See all 293 sixth-grade skills

## Seventh-grade skills

- Add and subtract integers
- Understanding negative exponents
- Square roots of perfect squares
- Solve percent equations
- Circles: calculate area, circumference, radius, and diameter

#### See all 261 seventh-grade skills

## Eighth-grade skills

- Evaluate negative exponents
- Multiplication and division with exponents
- Rate of change
- Simple interest
- Convert rates and measurements: customary units

#### See all 285 eighth-grade skills

## Algebra 1 skills

- Add and subtract matrices
- Point-slope form: write an equation
- Factor by grouping
- Solve a quadratic equation by factoring
- Simplify radical expressions

#### See all 281 Algebra 1 skills

## Geometry skills

- Interior angles of polygons
- Truth tables
- Converses, inverses, and contrapositives
- Angles in inscribed right triangles
- Angles in inscribed quadrilaterals

#### See all 209 Geometry skills

## Algebra 2 skills

- Solve a system of equations in three variables using substitution
- Complex conjugates
- Quotient property of logarithms
- Write equations of circles in standard form using properties
- Reference angles

#### See all 298 Algebra 2 skills

## Precalculus skills

- Factor sums and differences of cubes
- Find the magnitude of a vector
- Introduction to sigma notation
- Find probabilities using two-way frequency tables
- Find probabilities using the addition rule

#### See all 237 Precalculus skills

## Coming soon

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