Khan Academy
Khan Academy: Determine Reflections (Advanced)
Given two figures on the coordinate plane, find the formal definition of the reflection that takes one figure to another. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
Khan Academy
Khan Academy: Determine Rotations
Given a figure on the coordinate plane and a center of a rotation, find the angle for the rotation that maps one figure to the other. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
PBS
Pbs Learning Media: Arrangement 3
Matt's third table arrangement helps fit all 20 workers at five tables in this video segment from Cyberchase.
Annenberg Foundation
Annenberg Learner: Patterns in Mathematics: People Patterns
This interactive website offers young students an opportunity to discover the pattern and predict who will come next. Feedback and guidance are given for each response. It also offers three increasingly difficult levels that are available.
Alabama Learning Exchange
Alex: Fibonacci Poetry
Students will review the Fibonacci sequence and compose poems with the number of syllables in each line corresponding to the the numbers of that sequence.This lesson plan was created as a result of the Girls Engaged in Math and Science...
Alabama Learning Exchange
Alex: Time Flies
This lesson plan is one of the first in a unit on telling time which addresses the following content areas: language arts, math, science, social studies, and technology. Students will read several resource books to gather information....
Mangahigh
Mangahigh: Flower Power: Ordering Decimals, Fractions & Percents
In this game, you must put fractions, decimals, and percents in the correct order. These appear on the blooms of a flower stem, which at full growth, have seven blooms. When these are in the correct sequence, you can harvest the flower,...
Illustrative Mathematics
Illustrative Mathematics: G Co Showing a Triangle Congruence: The General Case
Given distinct, congruent triangles, students are asked to show that congruence can always be shown with one, two, or three rigid motions. Aligns with G-CO.A.5.
Illustrative Mathematics
Illustrative Mathematics: G Srt Are They Similar?
In this task, students are shown two triangles that appear to be similar, but whose similarity cannot be proven without further information. Students are asked to provide a sequence of similarity transformations that maps one triangle to...
University of Toronto (Canada)
University of Toronto Mathematics: Is There Really Such a Thing as "Infinity"?
See how the existence of infinity depends on the context in which it is used. Offers a look at the concept of infinity from different view points.
Illustrative Mathematics
Illustrative Mathematics: G Co Showing a Triangle Congruence: A Particular Case
Given two congruent triangles, students are asked to analyze the effects of different transformations. Aligns with G-CO.A.5.
Illustrative Mathematics
Illustrative Mathematics: G Srt Similar Triangles
This task works toward establishing the AA criterion for similarity of triangles. Students are asked to provide a detailed sequence of transformations that moves one of the given triangles onto the other. Aligns with G-SRT.A.3.
Illustrative Mathematics
Illustrative Mathematics: A sse.b.4: Cantor Set
This tasks requires students to explore properties of the Cantor Set, which has many uncountable points, no intervals of real numbers, and has length of zero. Aligns with A-SSE.B.4.
Alabama Learning Exchange
Alex: "Nuts" About Peanuts! (Reading)
The lesson will be implemented as part of a unit about plants. The students will learn about the growth cycle of a peanut and use a Five-Step Sequence Think-sheet to sequence the steps. They will also make predictions and complete...