Interactive
CK-12 Foundation

Atoms to Molecules: Constructing Helium

For Students 7th - 9th
Protons and neutrons and electrons, oh my! Physical science scholars get hands-on with interactive atomic modeling. Starting with a simple helium atom, participants create and name ions, then build isotopes. Questions throughout the...
Interactive
CK-12 Foundation

Frequency Polygons: Constructing a Frequency Polygon

For Students 9th - 12th Standards
Connect the dots on frequency. Given a distribution table of scores on an assessment, learners create a frequency polygon by moving points on a graph to the correct frequency. The pupils use the display to answer questions about the...
Interactive
Curated OER

AC Negative Feedback Op-amp Circuits

For Students 10th - Higher Ed
In this electrical circuit instructional activity, students draw a schematic design and build a op-amp model to show understanding of AC-negative feedback op-amp circuits before answering a series of 14 open-ended questions with...
Interactive
CK-12 Foundation

Bisectors of Line Segments and Angles: Cut a Line

For Students 9th - 12th
Geometric constructions build relationships —by simply manipulating simple tools. An interactive lesson presents a completed construction of a segment bisector and has learners analyze the important aspects. Ultimately, they should be...
Interactive
CK-12 Foundation

Radical Equations: Geometric Visual of a Square Root

For Students 8th - 11th Standards
How can you draw a number? A set of questions takes learners through the reasoning for why a geometric construction can be drawn to represent the square root of a number. An interactive helps visualize the construction.
Interactive
CK-12 Foundation

Bisectors of Line Segments and Angles: Cut an Angle

For Students 6th - 10th
Explore constructions through an interactive online lesson. Given an example of an angle bisector construction, learners investigate the markings to determine the method used. Challenge questions help solidify the steps. 
Interactive
CK-12 Foundation

Data Summary and Presentation: Chart for Grouping Data

For Students 7th - 12th Standards
Get social! Create a display of social media use for a class. Pupils use provided information about the time spent on social media to construct a histogram. Using the histogram, learners interpret the data to answer questions.
Interactive
Curated OER

English Exercises: Subject/Verb Agreement

For Students 3rd - 8th
This exercise is all about practice using the existential (there is) in the singular, plural, interrogative, declarative, positive and negative forms. From a bank of six possibilities learners fill in two blank spaces in each...
Interactive
CK-12 Foundation

Using Quadratic Equations to Solve Problems: Construct a Soccer Field

For Students 9th - 12th Standards
Determine whether the soccer field has the right area. Pupils create a virtual soccer field based upon constraints. They determine the equation that models the area and continue to investigate other potential areas.
Interactive
CK-12 Foundation

Using Quadratic Equations to Solve Problems: Construct a Soccer Field

For Students 8th - 10th Standards
Build a soccer field through a little mathematical analysis. Individuals manipulate the dimensions of a soccer field as they drag points to new positions. The simulation shows the corresponding intercepts and area. As pupils explore the...
Interactive
Curated OER

Beginning Sentence Completion Exercise 3

For Students 1st - 2nd
Learners working online, choose the correct word(s) to complete ten sentences, with immediate feedback. A good resource.
Interactive
Curated OER

Word Order: Creating Sentences

For Students 4th
In this word order worksheet, 4th graders interactively type the words given to create a sentence, for 10 sentences, with immediate online feedback.
Interactive
Curated OER

English Exercises: Passive Voice

For Students 6th
In this passive voice worksheet, 6th graders read the explanation and examples, then rewrite 10 sentences and identify which of the 4 cases it represents, with immediate online feedback.
Interactive
Curated OER

Structure Practice: The Passive Voice

For Students 3rd - 6th
Use this online interactive worksheet in an ELD class or for younger native speakers. They practice using simple past tense verbs in the passive voice. Many of the constructions are not straightforward, nor often used by early speakers,...
Interactive
Curated OER

Negative Feedback Op-Amp Circuits

For Students 10th - Higher Ed
In this electrical worksheet, students design and build a op-amp model to grasp the understanding of op-amp circuits before answering a series of 21 open-ended questions that include schematics. This worksheet is printable and there are...
Interactive
CK-12 Foundation

Matrices to Represent Data: Houndstooth

For Students 10th - 12th Standards
Apply matrices to fashion. Here your classes use a matrix to create a popular clothing design. As they construct the pattern, they review the dimensions of a matrix by considering the rows and columns. 
Interactive
Curated OER

Beginning Sentence Completion Exercise 27

For Students 1st - 2nd
In this beginning sentence completion exercise 27 worksheet, students complete ten sentences interactively by choosing the correct word(s), with immediate feedback.
Interactive
Curated OER

Beginning Sentence Completion Exercise 30

For Students 1st - 3rd
In this beginning sentence completion exercise 30 worksheet, students working online, complete 10 sentences by selecting the correct word(s), with immediate feedback.
Interactive
Curated OER

Intermediate Sentence Completion Exercise 35

For Students 6th - 8th
For this intermediate sentence completion exercise 35 worksheet, students working online, choose the correct word(s) to complete the sentence, with immediate feedback.
Interactive
Curated OER

Word Roots 1: DICT, VENT, DUCT Intermediate Level Synonym or Antonym Word Puzzle

For Students 8th - 12th
Is your class struggling with synonyms and antonyms? This resource asks learners to identify a synonym and an antonym for six given words. There are various scaffolds in place for pupils including: a word bank, information on word roots,...
Interactive
Curated OER

Beginning Sentence Completion Exercise 15

For Students 2nd - 3rd
In this beginning sentence completion exercise 15 activity, students complete 10 sentences interactively, by choosing the correct word(s), with immediate feedback.
Interactive
Curated OER

Beginning Sentence Completion Exercise 16

For Students 1st - 2nd
In this beginning sentence completion exercise 16 worksheet, students complete 10 sentences, interactively, with the correct word(s) with immediate feedback.
Interactive
Curated OER

Beginning Sentence Completion Exercise 17

For Students 1st - 2nd
In this beginning sentence completion exercise 17 worksheet, learners complete 10 sentences interactively by choosing the correct word(s), with immediate feedback online.
Interactive
Curated OER

Intermediate Sentence Completion Exercise 7

For Students 4th - 5th
In this intermediate sentence completion exercise 7 worksheet, students complete 10 sentences interactively by choosing the correct word(s), with immediate feedback.