3-5, 6-8, 9-12
Use this activity to practice solving systems of equations. Use this tool to check students' answers.
6-8, 9-12
Use this applet to investigate how changes in the scale factor influence
the ratio of perimeters and the ratio of areas between two figures.
6-8
This applet proves the Pythagorean Theorem "without words" using geometry.
3-5, 6-8
This applet is the Product Game: a fun, interactive game that exercises your skill with factors and multiples.
3-5, 6-8
Find your personal number using your birthday! It is the month + date + year & month × date × year.
6-8, 9-12
Become comfortable with using both radians and degrees.
3-5, 6-8
To
find the area of a triangle, try to make a
parallelogram using a copy of the triangle.
3-5, 6-8
When the nine justices of the Supreme Court meet, they greet one another
with a handshake to show harmony of purpose, even though their views
may differ. How many handshakes occur? In general, how many handshakes
occur when there are n people?
6-8, 9-12
Explore relationships between inputs and outputs by manipulating interactive double number lines.
This interactive is optimized for your desktop and tablet.
6-8
Explore when an isosceles triangle obtains its maximum area.
