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Workbook
Smithsonian Institution

Ceramica de los Ancestros

For Students 3rd - 6th
Scholars join a field expedition team to unearth a plethora of treasures from Central America. Artifacts listed in alphabetical order come with an informational blurb and a picture designed for participants to color. Activity pages...
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Interactive
CK-12 Foundation

Equivalent Fractions

For Students 3rd - 6th Standards
An interactive made up of five questions tests scholars' knowledge of equivalent fractions. Two fraction circles with moveable parts assist mathematicians in finding solutions. Questions are multiple-choice with one discussion. 
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Interactive
CK-12 Foundation

Decimals as Mixed Numbers

For Students 6th - 8th Standards
Five questions—multiple-choice, true or false, and a discussion—make up an interactive that focuses on decimals as mixed numbers. Moveable blocks assist scholars in finding solutions. 
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Interactive
CK-12 Foundation

Absolute Values of Integers

For Students 5th - 7th Standards
A five-question interactive focuses on integers and absolute value. A number line shows the distance to aide mathematicians in answering multiple-choice, true or false, and discussion questions.
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Interactive
CK-12 Foundation

Add and Subtract Decimal Numbers: Losing Little Bits

For Students 4th - 6th Standards
An interactive offers five questions that challenge scholars to subtract decimals. A diagram featuring a tree and birdhouse with moveable parts is designed to assist mathematicians in finding solutions. Types of questions include...
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Assessment
Concord Consortium

Smart Money

For Students 5th - 7th Standards
Watch the money grow daily. Scholars tackle a problem to determine how much money they will have if a dollar grows at 10 percent compounded daily after a month. Using that knowledge, learners notice the difference between varying savings...
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Interactive
CK-12 Foundation

Overview of Percents: Play Checkers

For Students 6th - 8th Standards
Bet classes didn't know playing checkers help with understanding percents. An interesting interactive has pupils consider a series of moves in checkers. It then requires them to answer a set of challenge questions on percentages...
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Interactive
CK-12 Foundation

Proportions and Scale: Problem Solving Plan, Proportions

For Students 6th - 8th Standards
Slide into a lesson on proportions. A slider interactive lets users adjust three of the four values in a proportion and automatically updates the fourth value. Scholars use the interactive to help answer a set of challenge questions on...
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Interactive
CK-12 Foundation

Proportions Using Cross-Multiplication: Proportions Using Cross Product

For Students 6th - 8th Standards
Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...
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Unit Plan
New York City Department of Education

Rational Numbers

For Teachers 7th Standards
Order up a unit on rational numbers. A unit overview gives a basic outline of instruction and activities on rational numbers for the 7.NS domain. A performance task on profits at pizzerias assesses understanding of the concepts in the...
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Interactive
CK-12 Foundation

Decimal Addition: Adding Little Pieces

For Students 4th - 6th Standards
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
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Interactive
CK-12 Foundation

Addition of Integers: Number Blocks

For Students 3rd - 8th Standards
A five-question interactive provides a horizontal number line where integers are stacked on top of one another to find solutions of addition problems. Mathematicians move numbers to the numbers line, as numbers build higher, the sum of...
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Interactive
CK-12 Foundation

Whole Number Exponents: Teddy Bear Box

For Students 3rd - 6th Standards
Five questions—multiple-choice, fill in the blank, and discussion—make up an interactive that challenges scholars to mail a teddy bear using the smallest box possible without squishing it. A box with movable sides allows mathematicians...
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Interactive
CK-12 Foundation

Whole Number Multiplication: Parity of Zero

For Students 3rd - 6th Standards
An interactive provides five questions that challenge scholars to decide whether integers are even or odd parity. A table assists problem solving with movable numbers that plug into equations and reveal the given parity. Question types...
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Lesson Plan
National WWII Museum

What It Takes to Win: Mapping Primary Source Evidence

For Teachers 7th - 12th Standards
World War II was not just waged in Europe and Asia; the home front was key to Allied victory. Using newspaper clippings from World War II and a map, scholars plot out wartime production in the United States. After that, class members...
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Lesson Plan
National WWII Museum

Race and War in the Pacific: A Propaganda Gallery Walk

For Teachers 7th - 12th Standards
Race played a key role in the war in the Pacific during World War II. Using images from both American and Japanese sources, learners consider racial propaganda and how leaders used it to rally popular support during the conflict. After...
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Lesson Plan
PBS

Sitting Bull: Spiritual Leader and Military Leader

For Teachers 3rd - 7th Standards
Sitting Bull was not expected to be a great warrior. Yet, he led the Lakota people and other tribes to several pivotal victories against the United States government when federal troops threatened their land. Using primary sources, such...
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Interactive
iCivics

Win the White House

For Students 6th - 12th Standards
What does it take to win the White House? A video game allows young political operatives to try their hand at winning 1600 Pennsylvania Avenue by deciding on key issues, where and how to spend campaign dollars, and the role of polling...
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Lesson Plan
PBS

Symbolism and Personification in The Outsiders

For Teachers 7th - 12th Standards
A shirt can't really swallow you—right? Readers find examples of symbolism and personification in S.E. Hinton's The Outsiders with two straightforward lessons.
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Activity
PBS

Primary Source Set: Little Women by Louisa May Alcott

For Teachers 6th - 12th Standards
What did Jo write her stories with? How did the March sisters dress? A primary source set designed for Louisa May Alcott's Little Women prompts learners to look over images of household items and clothes from the 1860s before engaging in...
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Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 25 to 31

For Students 6th - 8th Standards
A five-question interactive boosts proficiency in working with binary numbers. Multiple-choice, short answer, and discussion questions challenge mathematicians to write numbers 25 through 31in exponential and binary form. An adjustable...
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Interactive
CK-12 Foundation

Estimation of Whole Number Multiplication and Division: Lettuce Garden

For Students 3rd - 8th Standards
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
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Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
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Interactive
CK-12 Foundation

Sums of Integers with Different Signs: Adding Between 10 and -10

For Students 6th - 8th Standards
Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...