Perform dilations

Use the interactive transformation tool to perform dilations.

Reflect shapes

Given a figure and a definition of a reflection, manually draw the image.

Standard deviation of a population

Calculate the standard deviation of a population.

Positive and negative intervals

Highlight intervals on the domain of a function where it's entirely positive or entirely negative.

Extend arithmetic sequences

Given the first few terms in an arithmetic sequence, find the next term in the sequence.

Finite geometric series

Evaluate finite geometric series given in sigma notation, recursively, or explicitly.

Area of a sector

Relate the area of a sector to the area of a whole circle.

Subtract 10s and 100s (no regrouping)

Practice subtracting 1, 10, or 100 from a number.

Solve squareroot equations (basic)

Solve squareroot equations by taking the square of both sides.

Using the trig angle addition identities

Find the trig values of sums of angles whose individual trig values are known.

Solve exponential equations using logarithms: base10 and basee

Solve exponential equations that have 10 or e at the base of the exponential term.

Add 2 and 3digit numbers (no regrouping)

Practice solving problems like 243 + 452.

Area between two curves given end points

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Integrating trig functions

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Disk method

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Solve similar triangles (advanced)

Given two similar triangles and some of their side lengths, find a missing side length.

Classify complex numbers

Classify numbers as real, pure imaginary, or complex.

Tangents of circles problems

Solve problems related to tangents of circles.

Plot numbers on the complex plane

Given a complex number, plot its corresponding point on the complex plane.

Compare shapes

Practice comparing shapes based on their number of sides, number of corners, and sidelengths.
