# Math

## Pre-K skills

- Identify circles, squares, and triangles
- Count dots (up to 3)
- Inside and outside
- Above and below
- Count pennies

#### See all 43 pre-K skills

## Kindergarten skills

- Number lines - up to 20
- Left, middle, and right
- Seasons
- Put numbers up to 10 in order
- Holds more or less

#### See all 130 kindergarten skills

## First-grade skills

- Counting - up to 100
- Adding three numbers
- Ten more or less
- Which bar graph is correct?
- Certain, probable, unlikely, and impossible

#### See all 180 first-grade skills

## Second-grade skills

- Put numbers up to 1,000 in order
- Greatest and least - word problems - up to 1,000
- Growing patterns
- Add multiples of 10
- Ways to make a number using subtraction

#### See all 248 second-grade skills

## Third-grade skills

- Estimate sums
- Add and subtract money amounts
- Triangles: acute, right, and obtuse
- Show fractions: fraction bars
- What decimal number is illustrated?

#### See all 300 third-grade skills

## Fourth-grade skills

- Rounding
- Divide larger numbers by 1-digit numbers: complete the table
- Circle graphs
- Convert between metric and customary units
- Decimal number lines

#### See all 289 fourth-grade skills

## Fifth-grade skills

- Multiply a decimal by a one-digit whole number
- Divide by powers of ten
- Multiply unit fractions and whole numbers: sorting
- Unit prices
- Find start and end times: word problems

#### See all 320 fifth-grade skills

## Sixth-grade skills

- Integers on number lines
- Estimate square roots
- Integer addition and subtraction rules
- Add integers
- Volume of cubes and rectangular prisms

#### See all 292 sixth-grade skills

## Seventh-grade skills

- Do the ratios form a proportion?
- Estimate tips
- Arithmetic sequences
- Solve one-step linear equations
- Distributive property

#### See all 261 seventh-grade skills

## Eighth-grade skills

- Rate of change
- Converse of the Pythagorean theorem: is it a right triangle?
- Rotations: graph the image
- Dilations: scale factor and classification
- Solutions to variable inequalities

#### See all 278 eighth-grade skills

## Algebra 1 skills

- Write and solve inverse variation equations
- Write an equation for a parallel or perpendicular line
- Classify a system of equations
- Characteristics of quadratic functions
- Solve a quadratic equation using the quadratic formula

#### See all 279 Algebra 1 skills

## Geometry skills

- Construct the midpoint or perpendicular bisector of a segment
- Midsegments of triangles
- Similarity of circles
- Perimeter of polygons with an inscribed circle
- Angles in inscribed quadrilaterals

#### See all 208 Geometry skills

## Algebra 2 skills

- Linear programming
- Descartes' Rule of Signs
- Fundamental Theorem of Algebra
- Find the focus or directrix of a parabola
- Convert between radians and degrees

#### See all 297 Algebra 2 skills

## Precalculus skills

- Identify inverse functions
- Pascal's triangle
- Convert complex numbers between rectangular and polar form
- Find a unit vector
- Convergent and divergent geometric series

#### See all 228 Precalculus skills

## Coming soon

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