Interactive
CK-12 Foundation

Factoring by Grouping: Polynomials

For Students 8th - 10th Standards
Investigate the process of factoring polynomials by grouping. A detailed lesson initially has learners follow a set-by-step example. They then drag terms to complete the three steps of a new problem. 
Interactive
DocsTeach

Introduction to the Domino Theory and Containment Policy in Vietnam

For Teachers 7th - 12th
Scholars analyze a propaganda poster against communism. The resource uses the poster to examine the domino theory and containment policies used by the United States to stop the spread of communism in Vietnam. Scholars work in pairs or...
Interactive
CK-12 Foundation

Numbers in Expanded Form: Pennies Expanded Form

For Students 6th
Beginning with a word problem that poses the question of making groups of 10 pennies to translate into a single dime, pupils are challenged to make sense of the amount of dollars 33 cents is in expanded form.
Interactive
CK-12 Foundation

Electric Ice Sheet

For Students 6th - 12th Standards
Tommy is trapped on an ice bridge and needs you to balance the charges so he doesn't fall into the icy water! Scholars apply Coulomb's Law, which relates to both the strength and the distance between charges. They work with these two...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 1 to 8

For Students 6th - 8th Standards
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,...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 9 to 16

For Students 6th - 8th Standards
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. 
Interactive
CK-12 Foundation

Comparison of Fractions, Decimals, and Percents: Filling in the Squares

For Students 6th - 8th Standards
An interactive equipped with five questions challenges mathematicians to convert between fractions, decimals, and percents. A diagram changes its size to visually depict conversions alongside symbols to compare them. Question types...
Interactive
CK-12 Foundation

Add and Subtract Decimals with Front-End Estimation: Wooden Beams

For Students 6th - 8th Standards
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Interactive
CK-12 Foundation

Proportions to Find Percents: Bag of Candy

For Students 6th - 8th Standards
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...
Interactive
CK-12 Foundation

Simplify Products or Quotients of Single Variable Expressions: Quotients of Single Variable Expressions

For Students 7th - 9th Standards
Investigate division within an algebraic term using an inquiry-based lesson. Individuals adjust sliders and watch as the simplification of the term changes. Questions help guide them to important conclusions.
Interactive
American Museum of Natural History

Fighting Dinos

For Students 6th - 12th
A famous fossil of fighting dinosaurs holds as many questions as answers. Scholars first analyze the fossil itself by virtually highlighting the specific bones of the dinosaurs and read about their function and importance. They then test...
Interactive
CK-12 Foundation

Repeating Decimals: Does 1 equal 0.999... ?

For Students 6th - 8th Standards
Six questions make up a challenging interactive that tests scholars' knowledge of repeating decimals. Mathematicians answer true or false and multiple-choice questions with help from a tool that highlights decimal movement in an...
Interactive
CK-12 Foundation

Fields in the Life Sciences

For Students 6th - 8th Standards
Many fields of study require a specialty and a sub-specialty as you progress through your education. Scholars learn about six sub-specialties of life science. From botany to zoology, our knowledge of the world of living organisms expands...
Interactive
CK-12 Foundation

Decimal Multiplication: Reducing the Weight

For Students 5th - 8th Standards
Eight questions challenge mathematicians to multiply decimals. A color-coded tool with movable parts assist participants in answering word problems. Item response types include fill in the blank, multiple-choice, and a discussion. ...
Interactive
CK-12 Foundation

Basic Visual Patterns: Train Cars

For Students K - 2nd
An interactive comprised of five questions challenges young scholars to complete a simple pattern. After examining a train with colored carts, learners arrange a green, blue, and yellow block into their corresponding space. Questions are...
Interactive
Curated OER

Homer Changing Dimensions from Treehouse of Horror VE 3F04 (10/30?95)

For Students 7th - 9th
In this writing worksheet, students view two and three Dimensional images of "Homer Simpson" and write a paper comparing and contrasting the two images. They are guided  by three questions as well as supplied with four links to...
Interactive
Curated OER

Prepositions And The Verb "Get"

For Students 5th - 6th
In this prepositions with the verb "get" worksheet, students fill in the blanks using the list of prepositions given for the phrasal verb "get".