# Math

## Pre-K skills

- Identify circles, squares, and triangles
- More
- Inside and outside
- Wide and narrow
- Pennies, nickels, dimes, and quarters

#### See all 53 pre-K skills

## Kindergarten skills

- Count forward and backward - up to 10
- Number lines - up to 20
- Count groups of ten
- Fewer, more, and equal
- Similar patterns

#### See all 138 kindergarten skills

## First-grade skills

- Counting tens and ones - up to 99
- Roman numerals I, V, X
- Subtracting zero and all
- Count sides and vertices
- Read a calendar

#### See all 181 first-grade skills

## Second-grade skills

- Skip-counting puzzles
- Addition word problems - up to two digits
- How much more to make a dollar?
- Time words: o'clock, half, quarter
- Fraction word problems

#### See all 255 second-grade skills

## Third-grade skills

- Multiply numbers ending in zeroes
- Multi-step word problems
- Add and subtract money amounts
- Sort shapes into a Venn diagram
- Add and subtract decimals

#### See all 342 third-grade skills

## Fourth-grade skills

- Rounding
- Word problems with extra or missing information
- Numeric patterns: word problems
- Convert between metric and customary units
- Place values in decimal numbers

#### See all 292 fourth-grade skills

## Fifth-grade skills

- Multiply a decimal by a one-digit whole number
- Multiply fractions by whole numbers using number lines
- Coordinate graphs as maps
- Stem-and-leaf plots
- Area of triangles

#### See all 322 fifth-grade skills

## Sixth-grade skills

- Evaluate exponents
- Integers on number lines
- Percents - calculate tax, tip, mark-up, and more
- Create double bar graphs
- Probability of dependent and independent events

#### See all 303 sixth-grade skills

## Seventh-grade skills

- Arithmetic sequences
- Identify linear and nonlinear functions
- Circles: calculate area, circumference, radius, and diameter
- Reflections: graph the image
- Experimental probability

#### See all 277 seventh-grade skills

## Eighth-grade skills

- Write equations for proportional relationships
- Surface area of spheres
- Volume of cubes, prisms, and pyramids
- Dilations: scale factor and classification
- Multiply and divide monomials

#### See all 298 eighth-grade skills

## Algebra 1 skills

- Solve compound inequalities
- Write direct variation equations
- Point-slope form: write an equation
- Factor by grouping
- Solve a quadratic equation by factoring

#### See all 284 Algebra 1 skills

## Geometry skills

- Perpendicular Bisector Theorem
- Triangle Angle-Sum Theorem
- SSS, SAS, ASA, and AAS Theorems
- Congruency in isosceles and equilateral triangles
- Hypotenuse-Leg Theorem

#### See all 209 Geometry skills

## Algebra 2 skills

- Solve a system of equations in three variables using substitution
- Complex conjugates
- Graph a quadratic function
- Composition of linear functions
- Find the foci of a hyperbola

#### See all 303 Algebra 2 skills

## Precalculus skills

- Factor sums and differences of cubes
- Convert complex numbers between rectangular and polar form
- Graph a resultant vector using the triangle method
- Introduction to sigma notation
- Find conditional probabilities

#### See all 249 Precalculus skills

## Coming soon

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