CK-12 Foundation
Decimal Rounding Given Place Value
Tests mathematicians' knowledge of decimals, place value, and rounding with a five-question interactive. A tool with movable parts assists scholars in answering questions—multiple-choice and true or false. A discussion question...
CK-12 Foundation
Fraction Rounding to the Nearest Half: Beaker Math
Rounding fractions is the focus of a six-question interactive designed to boost concept proficiency. A measured beaker's water level increases and decreases as mathematicians move the tool to represent specific fractions. Questions...
CK-12 Foundation
Subtraction of Fractions: Fragmented Fractions
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
CK-12 Foundation
Mental Math to Divide by Whole Number Powers of Ten: Bouncing Decimal Point
Five questions challenge mathematicians to divide whole numbers by powers of 10. A tool highlights how a bouncing decimal moves through the divisor. Question types include multiple choice and fill in the blank. A discussion question...
CK-12 Foundation
Percent of Change: The Pizza Conundrum
Nine questions—multiple choice and fill in the blank—challenge mathematicians to solve money word problems. Looking closely at prices, scholars use a formula to identify percent increases and decreases based on an original and new price....
CK-12 Foundation
Fractions as Percents: Baking Cookies
A five-question interactive challenges mathematicians to solve word problems involving fractions as percents. Baking two different types of cookies and needing the exact amount requires scholars to make fractions, turn them into...
CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
CK-12 Foundation
Area and Volume of Similar Solids: Similar Solids
Five questions make up an interactive designed to boosts knowledge of area and volume of solid figures. Question types include multiple-choice, true or false, and fill-in-the-blank. A scale model changes measurement to provide a visual...
CK-12 Foundation
Percent of a Number: Acid Solution
Mathematicians answer five questions about percents, ratios, and proportions with help from an interactive graduated cylinder. Question types include multiple-choice, fill-in-the-blank, and discussion.
CK-12 Foundation
Simple Interest
Mathematicians manipulate a mountain of money to solve six questions about simple interest. Question types include several multiple-choice and one discussion.
CK-12 Foundation
Proportions to Find Percents: Bag of Candy
Proportions and percents are the focus of an interactive designed to boost math proficiency. Five questions challenge participants to solve candy-themed word problems. A color-coded tool with moveable parts assists mathematicians in the...
CK-12 Foundation
Values Written as Powers: Binary Numbers 1 to 8
A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...
CK-12 Foundation
Large Decimal Rounding to Decimal Representations: Weighing a Whale
An interactive challenges mathematicians to round large numbers with help from a large scale that measures the weight of a blue whale. The practie's five questions include multiple-choice, fill-in-the-blank, true or false, and an open...
CK-12 Foundation
The Percent Equation: Soccer Stadium
A soccer-themed interactive challenges mathematicians to solve five questions involving percent equations. Question types include multiple-choice, fill in the blank, true or false and a discussion. A color-coded stadium with movable...
CK-12 Foundation
Values Written as Powers: Binary Numbers 9 to 16
Challenge mathematicians to crack the binary code with an interactive that focuses on numbers nine to 16. A table reveals exponential equations to aid in answering multiple-choice questions. A discussion question gauges comprehension.
Curated OER
Sentence Combining
Learners practice sentence combining at increasingly difficult levels throughout a week. They begin with nouns and verbs and build to contrasts, parallels, etc.
Curated OER
Mexico: Culture, Language, and History
Study the culture, language, and history of Mexico in this collection of lessons. Create maps of Mexico's geography, study Spanish language phrases, and create a fiesta, along with a Mexican Marketplace scene.
Curated OER
Cotton Swab Skeletons
To truly teach through the arts means one must tackle both art and core content in one lesson. This quick activity does just that. Learners make skeletons out of cotton swabs in order to study relief sculpture and the skeletal system....
Curated OER
Parades
Third and fourth graders examine the history of parades and investigate guidelines and items needed for a parade. They listen to a speaker discuss how to organize a parade. In small groups, learners organize various items for the event...
Curated OER
Bounce into Speedy Reading: Growing Fluency and Independence
Increased reading comprehension begins with decoding and automatically recognizing words, which is the focus of this instruction. Using their choice of six different Winnie the Pooh stories, partners practice a variety of strategies...
Curated OER
Changing Planet: Fading Corals
Show the six-minute video, "Changing Planet: Fading Corals," and then demonstrate how calcium carbonate forms a precipitate in the presence of carbon dioxide. Separate your scientists into small groups to gather information about coral...
Curated OER
Thermal Expansion and Sea Level Rise
Placing a thermometer and a glass tube into a flask of cold water and sealing it, you can expose it to heat and very visually demonstrate thermal expansion to your earth science class. Follow it with a discussion about how the increasing...
Curated OER
The Importance of Rules
No rules...awesome! Or is it? It's tough for young learners to think about what would happen if a rule didn't exist, but understanding the rules and where they come from helps keep everyone safe. Youngsters write a rule on the front of...
Council for Economic Education
China - Where Will They Fit in the World Economy?
Teach scholars why China is so crucial to global economics through an informative resource. Activities include using databases to search for information, watching a video or listening to a podcast, and reading about China's economy as a...