Comparing probabilities

Practice expressing probabilities in different forms (fractions, decimals, and percents).

Subsets of sample spaces

Answer interesting questions about subsets of sample spaces.

Related rates (advanced)

Solve more elaborate problems with related rates.

Limiting reagent stoichiometry

Determine the amount (in grams) of a product from given amounts of two reactants, one of which is limiting.

Net change (algebraic)

Solve realworld problems that involve rate of change and net change using integral calculus.

Simple probability

Practice finding probabilities of events, such as rolling dice, drawing marbles out of a bag, and spinning spinners.

Basic set notation

The union, complement, and intersection of sets.

Addition and subtraction word problems 1

Practice adding and subtracting to solve word problems. Numbers used are 20 or less.

Multiply by 7

Multiply 7 times a number less than or equal to 10.

Interval of convergence

Find all values of x for which a power series converges.

HSL space

Understand the HSL cylinder

Modulo operator

Practice using the modulo operator

Modular addition


Solving quadratics by taking square roots: with steps

Give a detailed solution of quadratic equations.

Chisquare tests for twoway tables

For example, given a context, are the results of a chisquare test valid?

Skill check: Defining the derivative

Check your understanding of approximating, visualizing and interpreting the tangent line of a graph.

Two sample intervals for means

For example, given a context, select the expression for a 95% confidence interval.

Use Pythagorean theorem to find area and perimeter

Find the area and perimeter of triangles and quadrilaterals by first using the Pythagorean Theorem to find missing side lengths.

Equivalent fractions on the number line

Graph and identify equivalent fractions on a number line.

Find 1 on the number line

Locate 1 on a number line labeled with 0 and a unit fraction.
