# Math

## Pre-K skills

- Count dots (up to 3)
- Count shapes (up to 5)
- Compare groups (fewer or more)
- Top and bottom
- Pennies, nickels, dimes, and quarters

#### See all 42 pre-K skills

## Kindergarten skills

- Subtract with pictures - numbers up to 5
- Tall and short
- Holds more or less
- Count money - pennies, nickels, and dimes
- Geometry of everyday objects

#### See all 129 kindergarten skills

## First-grade skills

- Counting tens and ones - up to 99
- Counting on the hundred chart
- Complete the subtraction sentence
- Ten more or less
- Read a thermometer

#### See all 180 first-grade skills

## Second-grade skills

- Ordinal numbers up to 100th
- Round to the nearest ten
- Customary units of length: word problems
- Which customary unit of volume is appropriate?
- Compare fractions using models

#### See all 247 second-grade skills

## Third-grade skills

- Place value names
- Estimate sums
- Triangles: acute, right, and obtuse
- Show fractions: fraction bars
- Identify equivalent fractions on number lines

#### See all 277 third-grade skills

## Fourth-grade skills

- Word problems with extra or missing information
- Simplify expressions using order of operations and parentheses
- Add and subtract mixed customary units
- Decompose fractions
- Place values in decimal numbers

#### See all 279 fourth-grade skills

## Fifth-grade skills

- Nets of 3-dimensional figures
- Convert fractions to decimals
- Greatest common factor
- Multiply unit fractions and whole numbers: sorting
- Ratios: word problems

#### See all 309 fifth-grade skills

## Sixth-grade skills

- Evaluate exponents
- GCF and LCM: word problems
- Add and subtract like terms
- Create double bar graphs
- Complementary and supplementary angles

#### See all 288 sixth-grade skills

## Eighth-grade skills

- Simple interest
- Distance between two points
- Volume and surface area of spheres
- Dilations: scale factor and classification
- Slopes of parallel and perpendicular lines

#### See all 272 eighth-grade skills

## Algebra 1 skills

- Greatest possible error
- Add and subtract matrices
- Characteristics of quadratic functions
- Solve a quadratic equation using the quadratic formula
- Write linear, quadratic, and exponential functions

#### See all 275 Algebra 1 skills

## Geometry skills

- Construct the midpoint or perpendicular bisector of a segment
- Congruency in isosceles and equilateral triangles
- Midsegments of triangles
- Properties of rhombuses
- Angles in inscribed right triangles

#### See all 202 Geometry skills

## Algebra 2 skills

- Linear programming
- Inverse of a matrix
- Solve matrix equations using inverses
- Find the vertices of a hyperbola
- Convert between radians and degrees

#### See all 287 Algebra 2 skills

## Precalculus skills

- Factor sums and differences of cubes
- Introduction to the complex plane
- Graph a resultant vector using the triangle method
- Partial sums of arithmetic series
- Expected values of random variables

#### See all 214 Precalculus skills

## Coming soon

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