Archive
Recent Newsletter Articles
Progression of Multiplication
What is a progression that builds to a conceptual understanding of multiplication? In this 6-minute video, Gfletchy demonstrates strategies that teachers can use to develop students' conceptual understanding as a building block to fluency. Read More
Pythagorean Theorem Visual Model
This YouTube video shows a visual model to help students understand the Pythagorean Theorem. 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
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
Math Antics: Negative Numbers
This video introduces negative numbers on a number line, demonstrates comparing positive and negative numbers by comparing position on a number line. The video also models negative numbers using a picture representing sea level. Read More
Math Antics: Types of Fractions
This video presents types of fractions (proper, improper, etc.) and addresses how students can use the structure of a fraction to make sense of where it belongs on the number line. The video points out that the relationship between the numerator and denominator is division. Read More
Graphing Stories
These are 15-second videos that show a real-life event. Students are encouraged to graph the event. The video reveals the suggested graph at the end. The site allows you to sort by type of graph and offers a printable graphing handout. Appropriate for CCRS Level C, Level D, Level E. Read More
How much did the temperature drop? Absolute Value
Robert Kaplinsky describes the lesson this way: "This lesson uses a time lapse thermometer video as a context for discussing integer operations and absolute value. The video should provide some added meaning to the classic temperature drop problem." Read More
Fast Growing Plant
An activity where students must determine how tall the plant was x time ago if it is a certain height now and how fast it will grow. Read More
Ignite Videos – Math Forum
Ignite is a presentation format where each presenter speaks for 5 minutes. This site has some excellent talks from the Math Forum at Drexel. Read More