Illustrative Mathematics
Ratio of Boys to Girls
How many boys are in the class? Here is an introductory exercise describing ratios. The commentary shows different ways learners can approach the problem, using a tape diagram of boys to girls and using a table. The activity includes...
Illustrative Mathematics
Explaining Fraction Equivalence with Picture
Visual models are a great tool for demonstrating the concept of equivalent fractions. Given two pictures, young mathematicians first identify each fraction and then write an explanation for why they are equivalent. Use as a guided...
Perkins School for the Blind
Conductors of Heat - Hot Spoons
Why is the end of a spoon hot when it's not all the way in the hot water? A great question deserves a great answer, and learners with visual impairments will use their auditory and tactile senses to get that answer. A talking...
Perkins School for the Blind
Conservation of Mass
How do you teach a student with visual impairments about the conservation of mass? You use tactile models that represent the theoretical concept. Baking soda and vinegar are used to add gas to a deflated balloon. Learners will feel the...
Scholastic
Study Jams! Magnetism
Six simple images pull your class into magnets. Most of the pictures show magnetic fields as revealed by iron filings. Concepts are explained in print along the bottom of each slide and include magnetic force, force fields, poles,...
Scholastic
Study Jams! Current Electricity & Electric Circuits
Set to upbeat instrumental background music, eight slides present pictures of electrical wires, batteries, and appliances, Each slide is accompanied by a few sentences that introduce viewers to concepts related to current electricity....
Scholastic
Study Jams! The Universe
Take your kids on a trip through the universe as they explore galaxies, solar systems, stars, and more. Watch the short video, then have learners show their knowledge with the included quiz. Supplement the video by having teams build a...
Carnegie Mellon University
Introduction to Climate
Begin a full instructional activity on climate change by demonstrating how carbon dioxide gas contributes to increased temperatures. Be aware that pressure inside the antacid-containing bottle in Activity 2 may cause the lid to fly off;...
Pulitzer Center
Peacebuilding: Taking Home Lessons Learned in Africa
Learners take a closer look at one journalist's work on UN Peacebuilding efforts in four African nations: Sierra Leone, Burundi, Central African Republic, and Guinea Bissau. They collaborate to define peacebuilding and discuss the...
Wordpress
Darwin’s Natural Selection Case Studies
This editable worksheet is set up so that biology pupils read four case studies and identify points that are present in each, such as overproduction, heritable variation, struggle to survive, and differential reproduction. They also...
Curated OER
A Math Board Game
Math is fun with a board game printable set. After printing the pieces and board for the game, have your kids play in groups to practice concepts such as operations and arithmetic formulas.
Illustrative Mathematics
Equality Number Sentences
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
National Nanotechnology Infrastructure Network
Scale Models
With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.
Carolina K-12
Sample Test: Economics
From scarcity and marginal benefits and costs to economic systems and GDP, this 22-question multiple choice test covers some of the most fundamental concepts of economics.
NASA
Mystery Planet
What can one learn about a planet based on a small surface sample? Learners will explore artifacts from a mystery planet and see what they can determine about the planet based on the evidence in front of them.
Federal Reserve Bank
Ben Franklin: Highlighting the Printer
By studying Benjamin Franklin's work as a printer, your class will have a fantastic opportunity to learn about the economic concepts of entrepreneurship, human capital, and investment.
Owl Teacher
Introduction to World of Geography Test
Assess your learners on the five themes of geography and the most important key terms and concepts from an introductory geography unit. Here you'll find an assessment with 15 fill-in-the-blank and 14 multiple-choice questions, sections...
University of Florida
Understanding Car Crashes: It's Basic Physics!
Make an impact on young physicists with this fun collection of resources. After first watching a video and taking notes on the physics of car crashes, students go on to complete a series of activities that explore the concepts of energy,...
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Mathematics Vision Project
Probability
Probability, especially conditional probability, can be a slippery concept for young statisticians. Statements that seem self-evident on the surface often require a daunting amount of calculations to explicate, or turn out to be not so...
Homeschool Math
Equivalent Fractions Worksheet
Fraction circles are the primary feature of this worksheet for practicing calculating equivalent fractions. It includes 10 practice problems and an answer key, and supports visual interpretation of this mathematical concept.
North Carolina Department of Public Instruction
Fraction Card Games
Have fun with fractions in a math card game activity! Cut out the fraction cards and use them to reinforce fraction concepts, including common denominators, parts of a whole, and equivalent fractions.
Primary Resources
How Well Am I Behaving?
Encourage self-monitoring of behavior with a packet of templates that encourage kids to monitor their own behavior. The red light on a traffic signal is for not following class rules, yellow says one has to try harder, and green means...
Geometry Accelerated
Coordinate Geometry Additional Practice
Your learners get extra practice using coordinates in calculating mid points, finding end points, deciding if points are collinear, calculations using slope concepts, writing linear equations, using triangles and quadrilaterals, and...