Introduction to phrases and clauses

Learn to spot the differences between phrases and clauses.

Physics of walking and running

Questions pertaining to the physics of walking and running

Systems of equations word problems capstone

Solve word problems that involve systems of equations, where there can either be a single solution, no solution, or infinite solutions.

Necessary and Sufficient Conditions

Test your knowledge of the distinction between necessary and sufficient conditions!

Multiply by 9

Multiply 9 times a number less than or equal to 10.

Calculating the mean

Practice calculating the mean (average) of a data set. The mean gives us a sense of the middle, or <em>center</em>, of the data.

Drawing polygons with coordinates challenge

More challenging problems involving drawing shapes on the coordinate plane.

Eyeballing the line of best fit

Given a random assortment of points, draw a line of best fit through them.

Divide by 4

Divide by 4. Quotients are less than or equal to 10.

Special right triangles

Use your knowledge of 306090 and 454590 triangles to solve some problems.

Divide by 6

Divide by 6. Quotients are less than or equal to 10.

Recognize functions from tables

Determine whether a table of values of a relationship represents a function.

Powers of ten

Practice evaluating powers of ten.

Meet the conjunction

Learn to identify your new best friend, the conjunction.

Area and the distributive property

Use area models to represent the distributive property in finding area of rectangles.

Putting energy to use quiz

Try this quiz about how we use energy.

Distributive property of multiplication

Practice decomposing the factors in multiplication problems and see how it affects the product.

Maternal psychology

Maternal psychology

Pronoun number

Is the pronoun in this sentence singular or plural? Use context to choose the pronoun that makes the most sense.

Multiply complex numbers

Given two complex numbers, find their product.
