K12 Reader
Simplifying Fractions
Young mathematicians respond to a series of comprehension questions after reading an article about simplifying fractions.
K5 Learning
The Blind Men and the Elephant
Sometimes it's necessary to view the whole picture before making a judgment about a small part. Read a short story about five blind men who try to identify an elephant by feeling different parts and coming to their own conclusions....
K5 Learning
The Fairy Tree
Read about the ways a beloved pet can help a girl meet her true love with a short fairy tale. As fifth graders read the passage, they note their inferences and answer four comprehension questions to demonstrate their understanding.
Shodor Education Foundation
Two Variable Function Pump
Use a function to operate on two variables. Pupils look at operating with complex numbers as a function of two variables. The interactive squares the input and adds a constant to it. Learners visualize the resulting output and its...
National Nanotechnology Infrastructure Network
Small Scale Sculpting: Etch Lab
Make works of art using a vintage yet effective etching strategy. The surface of a semiconductor chip has specific patterns formed through a process called etching. Through a lab investigation, young scholars recreate that process...
Curated OER
My Home of North Dakota
Discuss the people, history and geography of North Dakota using this resource. Learners use a variety of sources to do research on North Dakota and present their findings in a PowerPoint presentation. They answer questions involving...
Brigham Young University
Socratic Seminar for Cold Sassy Tree
Tired of giving the same old multiple-choice tests, and have the urge for a new assessment? Then bring the precision of a Socratic seminar into your classroom. Even if you did not read Cold Sassy Tree the organization and explanation on...
Bowland
Youth Hostel
Given a set of criteria, individuals determine how to arrange males and females in a dormitory. They must meet the requirements and communicate their plan clearly.
Teach Engineering
The Challenge Question
A research position becomes a modeling job. The introductory lesson in a series of nine presents the challenge of analyzing a set of bivariate data. The class brainstorms what the data may represent. Pupils must decide what is needed to...
CK-12 Foundation
Visual Patterns: Building the Queen's Tower
A resource fit for a queen. Scholars recognize and continue a pattern in towers people are building for a queen. They write and use an algebraic expression for the number of tiles in the towers.
CK-12 Foundation
Exponent Properties with Variable Expressions: Size of Solar Tornadoes
Exponents may have your pupils' heads spinning after an engaging lesson as they connect properties to tornadoes! Learners compare a distance between cities to the distance across a solar tornado. They use exponent properties to find the...
CK-12 Foundation
Operations with Vectors: GPS Device
Determine the distance between two hikers using vectors. Pupils use an interactive to develop the formula to find the distance between two points knowing their relationship to a third point. Learners use the formula to calculate the...
CK-12 Foundation
Empirical Probability: Scoring
Learners use an interactive to determine the probability that a soccer player will score a goal. Given data over the course of several days, they determine probabilities for several different situations.
CK-12 Foundation
The Real Numbers: Union and Intersection of Sets
Not everyone can get what they want in a smoothie. Learners determine the fruit they can place in a smoothie given constraints and preferences. The union and intersection of sets must be taken into consideration.
CK-12 Foundation
Sampling Distribution of a Sample Mean: The Mean of the Average Ages
What does it mean to take the mean of the mean? An easy-to-use interactive has users adjust the mean ages of different samples. Finding the average of these sample means gives an estimate of the population mean.
Nemours KidsHealth
Suicide Prevention: Grades 6-8
Suicide prevention—a heavy topic but an important one. Over two lessons, pupils gain knowledge about suicide, particularly in teens, and how to advocate for a friend who feels suicidal or depressed. After researching the topic, scholars...
Laboratory for Atmospheric and Space Physics
Orbit Simulator
Researchers think they have evidence of a new planet deep in our solar system that is the size of Neptune and orbits the sun far beyond Pluto. The orbit simulator shows the orbits of our well-known planets, as well as Pluto and the comet...
Houghton Mifflin Harcourt
The Hobbit
From dragons to dwarves, from riddles to rings, the great adventure story of The Hobbit by J.R.R. Tolkien has captivated generations of readers of all ages. An educator's guide explores the novel's literary elements,...
Serendip
Genetics Review Jeopardy Game
Why not add a little excitement to review day? Play genetic Jeopardy to quiz your classes before they take the assessment. The resource provides a game board in PowerPoint with questions related to meiosis and prediction of traits.
CK-12 Foundation
Quadratic Functions and Equations
The form of a quadratic function paints a picture of its graph. Young mathematicians explore this connection by locating key features on a graph and then writing the corresponding equations. The interactive tutorial highlights key...
CK-12 Foundation
Geometric Sequences and Exponential Functions: Bouncing Ball
Explore a geometric sequence model through a simulation. Learners change the starting drop height of a ball and watch how the heights of following bounces change. They consider the ratio of the consecutive bounces as they analyze...
CK-12 Foundation
Exponential Properties Involving Quotients
Watch as exponential expressions expand and contract! An interactive tutorial leads young mathematicians to the discovery of the quotient property of exponents. Through exploration, they realize that an x in the numerator will cancel an...
CK-12 Foundation
Common Multiples: Sports Calendar
Using a calendar, basketballs, and tennis balls, young mathematicians determine the common multiples of four and six. Individuals drag and drop the balls onto the correct dates each sport will be played, allowing them to see which days...
CK-12 Foundation
Midpoint Formula
By selecting the resource, you're already halfway to understanding midpoints. Pupils use a slider to locate midpoints on the coordinate plane. They connect this conceptual understanding to the formula for the midpoint of a line segment.