Khan Academy
Khan Academy: Divide With Visuals
Division practice using an array to determine the quotient. There are additional explanations and a video to support learning.
GeoGebra
Geo Gebra: Area Model: Multiplying Fractions
Explore this interactive to visualize what it means to multiply two fractions together. Use the sliders to change the numerators and denominators and move one fraction bar image on top of the other. The product is represented by the area...
NASA
Nasa: Station Spacewalk Game
[Requires Unity Web Player Plug-in] You have the thrilling job of conducting NASA repair work on the International Space Station. However, first, explore the spaceship and learn critical jobs to help power up the space station so that it...
Other
Digital Promise: Choosing Technology Tools [Pdf]
Being able to thoughtfully choose the right technology tool for a learning task from the vast array of choices available can be a significant challenge. So using an evaluation strategy to make good technology tool choices is an important...
Khan Academy
Khan Academy: Bodhisattva Avalokiteshvara
This is an image of the compassionate and merciful bodhisattva Avalokiteshvara. Bodhisattvas are enlightened beings who are destined to become buddhas but postpone that final state in order to help humanity. The name Avalokiteshvara...
National Council of Teachers of Mathematics
Nctm: Illuminations: Coin Box
Learn how to count, collect, exchange, and make change for coins by manipulating coins using an array representation.
Khan Academy
Khan Academy: Roots of Hinduism
Hinduism is one of the world's oldest religions. It has complex roots, and involves a vast array of practices and a host of deities. Its plethora of forms and beliefs reflects the tremendous diversity of India, where most of its one...
Khan Academy
Khan Academy: The Floating World of Edo Japan
During Japan's Edo period (1615-1868) the phrase "the floating world" (ukiyo) evoked an imagined universe of wit, stylishness, and extravagance -- with overtones of naughtiness, hedonism, and transgression. Implicit was a contrast to the...
National Council of Teachers of Mathematics
Nctm: Illuminations: Creating, Describing, and Analyzing Patterns
Encourage students to use visualization, spatial reasoning, and geometric modeling to build their own patterns or recreate one from given square arrays.
Khan Academy
Khan Academy: Math: 3rd Grade: Understand Commutative Property of Multiplication
Math practice exercise on understanding the commutative property of multiplication, e.g.,using an array.
Khan Academy
Khan Academy: Running Time of Binary Search
Compute how many steps binary search would take to find an item in arrays of various sizes.
Khan Academy
Khan Academy: Review: Objects
A review of objects--a data type that stores a collection of properties in a single variable. This review includes creating, accessing, and modifying object properties as well as arrays of objects.
Other
Luis E. Romero: Solving Complex Problems With the 11 Laws of Systems Thinking
Systems thinking is the key to solving complex problems and achieving simplicity. Furthermore, by applying systems thinking to different situations, we also start to recognize the existence of universal patterns of behavior in business...
Countries and Their Cultures
Countries and Their Cultures: Sakalava
The Sakalava inhabit an expansive region of Madagascar; their territory today encompasses nearly all of the west coast of this large Indian Ocean island. "Sakalava" is a compound term meaning "the long valleys" or "rivers." A noun as...
Other
Nrao: Bringing Your Class to the Vla
Helps teachers arrange a trip to visit the radio telescope VLA. For those of you not near (New Mexico) it also gives connections into the physics, astronomy and electronics courses. It also has a healthy bibliography of sources.
Other
Nrao: What Is Radio Astronomy?
This page contains an introduction to Radio Astronomy written by the National Radio Astronomy Observatory (NRAO). It contains some basic theory as well as frequently asked questions and teacher resources.
Khan Academy
Khan Academy: Repeated Addition
In this exercise, students practice repeated addition. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.
Amby Duncan-Carr
Amby's Math Resources: Finding the Area of a Rectangle
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.
PBS
Pbs Learning Media: Transporting to Ms. Fileshare
In this video segment from Cyberchase, the CyberSquad tries to reach Ms. Fileshare by using a 3 x 3 matrix to figure out the various ways they can travel to her.
National Science Foundation
National Science Foundation: Star Makes Closest Approach to Black Hole in Milky Way
A star known as S0-2 made its closest approach to the supermassive black hole at the center of the Milky Way in 2018.
Incorporated Research Institutions for Seismology
Iris: Incorporated Research Institutions for Seismology
This university consortium provides on-going, current information on seismic activity happening all over the world. Of special interest is the Seismic Monitor. Open this page to a full screen to monitor global earthquake activity in real...
National Institute of Standards and Technology (NIST)
Dictionary of Algorithms and Data Structures: Abstract Data Type
The DADS description of the dictionary abstract data type.
Alabama Learning Exchange
Alex: What's Your Question? Multiplication Word Problems
Students will explore multiplication and word problems. They will work cooperatively to examine a story scenario, list possible questions to develop a completed word problem and solve it using a variety of strategies. The students will...
Khan Academy
Khan Academy: Storing and Updating Lists
Learn about storing and updating lists of data in code.
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