CK-12 Foundation
Telegraph
Most pupils don't know what a telegraph is, much less how one works. A secret simulation has scholars pick the size of the primary and secondary loops, the battery voltage, and which letters in the Morse Code they want to transmit. They...
CK-12 Foundation
Values Written as Powers: Binary Numbers 17 to 24
Boost mathematicians' proficiency of binary numbers 17 to 24 with an interactive comprised of six questions—multiple-choice, true or false, and a discussion. A color-coded table reveals binary equivalents to aid in the problem-solving...
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.
CK-12 Foundation
Cramer's Rule
Use matrices to solve systems of equations. The interactive introduces Cramer's Rule, using determinants of matrices to solve systems of equations. Color coding helps pupils place entries correctly from the system.
CK-12 Foundation
Decimals as Fractions
Converting decimals to fractions is the focus of a five-question interactive. A color-coded tool assists mathematicians in discovering solutions. Multiple-choice questions make up the majority of the problems and a discussion question...
CK-12 Foundation
Sum Notation and Properties of Sigma: Cracking the Code
Help your class develop an understanding of sigma notation. Pupils match the sigma notation with the sums. Using the expanded sums, learners evaluate the summations. The scholars move on to prove a property of sums.
Curated OER
Fill Words Exercise 1
In this fill words exercise 1 instructional activity, students read the letter-number codes and fill in the correct letters to spell a phrase with immediate feedback online.
CK-12 Foundation
Solving a Matrix Equation: Mystery Matrix
Solve a matrix in code—color code. Pupils use the interactive resource to set up the matrix equation and its solution path. Scholars use the created solution path to determine the entries of the 2 X 2 solution.
Curated OER
Fill Words Exercise 4
In this fill words exercise 4 worksheet, 2nd graders use the letter-number code to decode the phrase and enter the letters in the squares, interactively, with immediate feedback.
CK-12 Foundation
Decimal Multiplication: Reducing the Weight
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. ...
CK-12 Foundation
Products of Two Fractions: Blocks
Five questions make up an interactive designed to boost the multiplication of fraction skills. An assortment of color-coded fraction blocks assists participants to find the right answer. Question types include multiple-choice and fill in...
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
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...
Concord Consortium
Elements and Polarity
Take a look at some molecules that are so cool, they're polar! Scholars examine the effect polarity has on a molecule's shape and charge. Change up the view and choose between an opaque or transparent molecular surface, complete with...
Curated OER
ESL-Irregular and Regular Verbs
In this verb worksheet, students use a drop down list and click on the correct past tense from of fifty given verbs. Page has link to audio and HTML code.
Curated OER
ESL Conjunctions Activity
In this ESL conjunctions instructional activity, students fill in blanks in sentences accompanied by pictures, using either and, but or because correctly. Page has a link for audio and HTML code.
Curated OER
ESL-Irregular Verbs
In this ESL irregular verbs worksheet, students complete a chart of irregular verb forms, and match a set of verbs to pictures. A link to audio and HTML code is given.
Curated OER
ESL: A, Many, An, Any, Some, Much
In this ESL vocabulary worksheet, students complete sentences using either a, an, some, any, many or much. A link to audio and HTML code is given.
Curated OER
ESL: Song Activity-"Tokio Hotel"
In this ESL song worksheet, students watch a video and listen to "Tokio Hotel," then replace shown pictures with the correct words from the song. Page has a link to audio and HTML code.
Curated OER
ESL-Present Simple Tense
In this ESL present simple instructional activity, students choose correct verbs and fill in blanks in simple sentences. A link to audio and HTML code is given.
Curated OER
ESL: Such An/Such A/So/Such
In this ESL vocabulary worksheet, students fill in blanks in sentences with either such an, such a, so or such, 27 total. A link to audio and HTML code is given.
Curated OER
ESL: Much and Many
In this ESL much/many worksheet, students fill in blanks in sentences, choosing either much or many, 38 sentences total. Page has a link for audio and HTML code.
Curated OER
ESL Prepositions-Transport
In this ESL prepositions worksheet, students use drop down lists to select the preposition that correctly fills in blanks in sentences. A link to audio and HTML code is given.
Curated OER
ESL Adjectives-Describing Transport
In this ESL adjective learning exercise, students type adjectives to describe pictures, 9 total. A link for audio and HTML code is given.