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The Story of Two Words and One Simple Tweak to Get Students Talking
Teacher Sarah Van Der Werf shares some observations about attending to vocabulary in math instruction and shares a strategy for helping students access unfamiliar vocabulary in math class. Read More
Visual Patterns
A gallery of visual patterns can be used with students exploring algebra. Fawn Nguyen, the teacher behind the site, also documents her students' discussion of the patterns at mathtalks.net. You can also read about how ABE teachers are using the patterns. Read More
Labor Mediator
"In this problem, student groups serve as mediators to settle a dispute between the owner and the union of a small manufacturing company. ... This is a really engaging problem that raises important questions about the way data, often perceived as being completely objective, can be biased and informed by perspective." Read More
Representing Variability with Mean, Median, Mode, and Range
This resource gives students practice with calculating the mean, median, mode, and range from a frequency chart. It also requires students to use a frequency chart to describe a possible data set, given information on the mean, median, mode, and range. Read More
Representing Data with Grouped Frequency Graphs and Box Plots
"This lesson unit is intended to help you assess how well students are able to interpret frequency graphs that use grouped data and their associated box plots. In particular this unit aims to identify and help students who have difficulty interpreting information from frequency graphs and box plots; such as minimum and maximum values, medians and quartiles." Read More
One Formula to Rule Them All
Before you teach another formula for area of a 2-D shape, check out the "applets" on this page. Teachers who do not have access to internet in their classroom can learn from the animations and do a similar demonstration with paper. Read More
Piles of Tiles (3-Act Lesson)
A 3-act lesson starts with a quick video or visual that makes students wonder. This one from Graham Fletcher (gfletchy) is set up to ponder the concept of area. Read More
Playing Uno: The “Combine Like Terms” Version
Instructions and printables for a "combine like terms" UNO game, with some hints for using the game with your students. Read More
Math Is Fun
Looking for a definition of a term or a quick explanation of a concept? This is a great place to look things up, either for your own review or for an idea of where to start in your explanation. Just click on the Dictionary tab, or type a word in the search box. Read More
Math Snacks: Counting
Online activities and videos for supporting students' understanding of math concepts such as ratios, scale factors, fractions, number lines, and so on. Some activities may need additional language learning supports (i.e. for beginning English learners). Videos are also available in Spanish and in a printable "comic book" form. Read More