This is a general collection of math resources. It is a large collection, but you can use the fliters on the left side of the screen to filter down to the specific education level you are looking for. (You are encouraged to filter by education level, not grade.)
An interactive applet and associated web page showing how the SSS similarity …
An interactive applet and associated web page showing how the SSS similarity test works. Two similar triangles are shown that can be resized by dragging. The other triangle adjusts to remain similar and the angle-angle-angle elements are highlighted to show how they are involved in this test of similarity. (all three corresponding sides in the same proportion). The web page describes all this and has links to other related pages. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference interactive geometry reference book project at http://www.mathopenref.com.
STEM MINDS™ curates, creates and delivers the best STEM (Science, Technology, Engineering, …
STEM MINDS™ curates, creates and delivers the best STEM (Science, Technology, Engineering, Math) programs to children, specific to their needs. “A” for Art is embedded in everything we do as creativity is the foundation for learning!
Use the menu to navigate to the STEM Hub to find plenty of great coding activities. (http://stemminds.com/steamhub/steam-hub-courses-3/)
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This site offers a collection of hundreds of free K-12 STEM resources, …
This site offers a collection of hundreds of free K-12 STEM resources, from standalone models and simulations to short activities and week long sequences of curriculum materials. Filter by type of subject, activity type and grade. Searchable subjects include: physics and chemistry, life science, engineering, earth and space, and math.
This choice board offers students and families a menu of options for …
This choice board offers students and families a menu of options for some fun summer learning. There are some attached documents to support the choice board. Have fun!
The purpose of this task is to engage students in Standard for …
The purpose of this task is to engage students in Standard for Mathematical Practice 4, Model with mathematics and as such, the question as it is worded cannot be answered without making some assumptions. For example, if the items that are purchased do not have the same value, then the price reduction depends on the cost of the items.
Add different salts to water, then watch them dissolve and achieve a …
Add different salts to water, then watch them dissolve and achieve a dynamic equilibrium with solid precipitate. Compare the number of ions in solution for highly soluble NaCl to other slightly soluble salts. Relate the charges on ions to the number of ions in the formula of a salt. Calculate Ksp values.
This is the second version of a task asking students to find …
This is the second version of a task asking students to find the areas of triangles that have the same base and height. This presentation is more abstract as students are not using physical models.
The purpose of this task is to provide an opportunity for students …
The purpose of this task is to provide an opportunity for students to reason about equivalence of equations. The instruction to give reasons that do not depend on solving the equation is intended to focus attention on the transformation of equations as a deductive step.
Same or Different? is a routine that provides students opportunities to construct …
Same or Different? is a routine that provides students opportunities to construct arguments when comparing objects, such as numbers or shapes.
A routine like Same or Different? provides accessible opportunities for even youngest students to learn how to talk about various features of mathematical objects – quantity, shape, color, orientation, and arrangement, to name a few.
Today we’re going to talk about good and bad surveys. From user …
Today we’re going to talk about good and bad surveys. From user feedback surveys, telephone polls, and those questionnaires at your doctors office, surveys are everywhere, but with their ease to create and distribute, they're also susceptible to bias and error. So today we’re going to talk about how to identify good and bad survey questions, and how groups (or samples) are selected to represent the entire population since it's often just not feasible to ask everyone.
This is an activity about the differences in thermal behavior between similar …
This is an activity about the differences in thermal behavior between similar materials having different physical properties. Learners will measure temperature of two different surfaces; sand and stone; on a sunny day, make a series of temperature measurements, and plot the results. Extensions include experimenting with different materials, using temperature sensors and noncontact infrared thermometers. The activity is analogous with remote sensing of thermal properties in the Saturn system measured by Cassini. (Note: a separate version of this activity was developed in 2008 for PUMAS - Practical Uses of Math and Science).
The purpose of this task is to give students experience in using …
The purpose of this task is to give students experience in using simulation to determine if observed results are consistent with a given model (in this case, the Ňjust guessingÓ model). Part (i) also addresses the role of random assignment in the design of an experiment and assesses understanding of this concept.
This task involves two aspects of statistical reasoning: providing a probabilistic model …
This task involves two aspects of statistical reasoning: providing a probabilistic model for the situation at hand, and defining a way to collect data to determine whether or not the observed data is reasonably likely to occur under the chosen model. When guessing between two choices, there is no reason to suspect that one outcome is more likely than the other. Thus, a model that assumes the two outcomes to be equally likely (such as flipping a coin) is appropriate.
This task is an example of applying geometric methods to solve design …
This task is an example of applying geometric methods to solve design problems and satisfy physical constraints. This task models a satellite orbiting the earth in communication with two control stations located miles apart on earthsŐ surface.
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