Interactive
CK-12 Foundation

Systems of Linear Inequalities: Baking Cookies

For Students 8th
Cook up a good resource for systems of linear inequalities. Using an interactive, individuals graph a system of linear inequalities to represent constraints on the number of cookies a person must bake. A set of challenge questions...
Interactive
CK-12 Foundation

Cramer's Rule

For Students 10th - 12th Standards
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.
Interactive
Curated OER

Digital Codes

For Students 9th - Higher Ed
 In this electrical circuit worksheet, students answer a series of 12 open-ended questions about various types of digital codes. This worksheet is printable and the answers are revealed online.
Interactive
Cold Spring Harbor Laboratory

DNA Words Are Three Letters Long

For Students 9th - 12th Standards
DNA writes 64 different words but only codes for 20 different amino acids. Budding scientists learn about where each of these numbers come from and why they aren't equal with an online interactive. The resource explains the research, the...
Interactive
Curated OER

Circulatory System Quiz #1

For Students 5th - 8th
In this circulatory system quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Skeletal System Quiz

For Students 7th - 12th
In this skeletal system quiz learning exercise, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.
Interactive
Curated OER

Muscular System Quiz #2

For Students 7th - 12th
For this muscular system worksheet, students complete an on-line quiz, choosing questions and matching answers. Students score 1 point for each correct answer; a printed version is available.
Interactive
Curated OER

Digestive System Quiz

For Students 9th - 12th
In this digestive system quiz activity, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.
Interactive
Curated OER

Nervous System Quiz #1

For Students 7th - 12th
In this nervous system quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Endocrine System Quiz

For Students 9th - 12th
In this endocrine system quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.
Interactive
Curated OER

Review of Algebra I

For Students 8th - 9th
Test your class with this online review. They determine the probability of a given situation, solve inequalities, systems of equations, and write numbers in scientific notation.  This two-page worksheet contains approximately 60...
Interactive
Curated OER

Circulatory System Quiz #2

For Students 5th - 8th
In this circulatory system quiz learning exercise, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Muscular System Quiz #1

For Students 7th - 12th
In this muscular system quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.
Interactive
Curated OER

Solar System Quiz #1

For Students 6th - 8th
In this solar system quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.
Interactive
Curated OER

Nervous System Quiz #2

For Students 7th - 12th
For this nervous system quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Nervous System Quiz #3

For Students 7th - 12th
In this nervous system quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Nervous System Problems Quiz

For Students 7th - 12th
In this nervous system problems quiz activity, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Urinary System Quiz #1

For Students 7th - 12th
In this urinary system quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.
Interactive
Curated OER

Urinary System Quiz #2

For Students 7th - 12th
In this urinary system quiz instructional activity, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
Curated OER

Urinary System Quiz #3

For Students 7th - 12th
For this urinary system quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.
Interactive
1
1
GeoGebra

All For One, One For All

For Students 9th - 12th Standards
Will someone please constrain those pets? Pupils create two constraint equations on the number of cats and dogs for a pet sitter. They choose specific points and determine whether the point satisfies one or both constraints. The...
Interactive
PHET

Band Structure

For Students 9th - 12th Standards
Electricity travels at the speed of light, 186,000 miles per second. Through a simulation, classes see how the structure of energy bands in crystals of atoms determines how materials conduct electricity. Participants can change the...
Interactive
Curated OER

Quiz on Human Reproductive System

For Students 6th - 9th
For this human reproduction worksheet, students complete an online interactive quiz about hormones, sexual development and human reproduction. There is also an option for a paper and pencil version.
Interactive
Curated OER

Human Reproductive Cells Quiz

For Students 7th - 12th
Quiz your learners on human reproductive cells using this terminology assessment tool! Choose 1 of 2 options: have students play online, or make copies of the paper version. The advantage to playing the online matching game is its...