3-5, 6-8, 9-12
Use this activity to practice solving systems of equations. Use this tool to check students' answers.
Pre-K-2, 3-5
This tool allows you to practice multiplying single-digit numbers.
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.
3-5
Two video clips illustrate communication about mathematics among a teacher and her students.
3-5
Use communication as a tool to deepen their understanding of mathematics.3-5
The teacher reflects on her own mathematical learning.
3-5
This applet allows for the exploration of the area of rectangles.
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?
