Composite transformations

Understand the result of combining different transformations

Commutative and noncommutative transformations

Understand which sets of transformations are commutative.

Convergence tests challenge

Review your knowledge of the various convergence tests with some challenging problems.

Counting systems and the Pirahã tribe


Count tens

Practice counting by tens.

Decimals on the number line: tenths 01

Graph tenths between 0 and 1 on the number line.

Derivatives basics challenge

Review your conceptual understanding of derivatives with some challenge problems.

Distribution warmup

Understand that a set of data collected to answer a statistical question has a distribution which can be described by its center, spread, and overall shape.

Expectation warmup

Select the correct answer to prove your understanding

Exponential model equations

Solve differential equations that describe exponential relationships. Such equations always have the form dy/dx=ky (for some number k).

Extend geometric sequences: negatives & fractions

Find the next term in a geometric sequence. The problems in this quiz involve relatively difficult calculations.

Find missing length when given area of a triangle

Find the base or height of a triangle when given the other and the area.

Find missing length when given area of a parallelogram

Find the base or height of a parallelogram when given the other and the area.

Fractions on the number line

Plot and spot fractions on the number line.

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.

Horizontal & vertical lines

Practice your knowledge of horizontal and vertical lines: their graphical presentation, their slopes, and their equations.

Identify quadrilaterals

Identify squares, rectangles, and rhombuses.

Identify symmetrical figures

Practice identifying symmetrical shapes.

Identifying marginal and conditional distributions

Practice determining if a distribution from a twoway table is a marginal or conditional distribution.
