CK-12 Foundation
Ck 12: Life Science: Animal Communication
[Free Registration/Login may be required to access all resource tools.] What does the word "communication" make you think of? Talking on a cell phone? Texting? Writing? Those are just a few of the ways in which human beings communicate....
CK-12 Foundation
Ck 12: Find Imaginary Solutions: Fundamental Theorem of Algebra
[Free Registration/Login may be required to access all resource tools.] Here you will learn about the Fundamental Theorem of Algebra, and how to apply it to various functions. You will also review using the quadratic equation to find...
CK-12 Foundation
Ck 12: 9.1: Parts of Speech
[Free Registration/Login may be required to access all resource tools.] Learn about nouns, adjectives, verbs, and adverbs through explanations and examples. Also learn to distinguish between words and phrases and between form and...
CK-12 Foundation
Ck 12: 1.4: Sometimes a Vowel, Sometimes a Consonant:
[Free Registration/Login may be required to access all resource tools.] Spelling rules with examples for words that contain the letter "u."
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions including perfect squares, cubes and approximate square roots.
CK-12 Foundation
Ck 12: Arithmetic: Percent of a Number Grade 6
[Free Registration/Login may be required to access all resource tools.] Find the percent of a number using a proportion or key word clues.
CK-12 Foundation
Ck 12: Elem Math: Solving for Ending Time in 5 Minute Intervals Word Problems
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on solving time word problems involving 5 minute intervals.
CK-12 Foundation
Ck 12: Elem Math: Solving for Elapsed Time in a Sequence of Events Word Problems
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems involving elapsed time.
CK-12 Foundation
Ck 12: Analysis: Quadratic Formula and Complex Sums
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify complex roots of quadratic functions with the quadratic formula, and adding and subtracting complex numbers. Students examine guided...
CK-12 Foundation
Ck 12: Algebra: Problem Solving Plan, Mental Math
[Free Registration/Login may be required to access all resource tools.] Solve word problems using the mental math.
CK-12 Foundation
Ck 12: Arithmetic: Problem Solving Plan, Estimation With Decimals
[Free Registration/Login may be required to access all resource tools.] Identify when estimation is appropriate and estimate to solve word problems.
CK-12 Foundation
Ck 12: Life Science: Nonvascular Plants
[Free Registration/Login may be required to access all resource tools.] Nonvascular seedless plants lack vascular tissue and they do not have true roots, stems, or leaves, but they can have stem-like and root-like structures. These...
CK-12 Foundation
Ck 12: Life Science: Plant Like Protists
[Free Registration/Login may be required to access all resource tools.] Plant-like protists are known as algae. They are a large and diverse group. Plant-like protists are autotrophs. This means that they produce their own food. They...
CK-12 Foundation
Ck 12: Elem Math: Comparing the Values of Numbers to 1000 Word Problems
[Free Registration/Login may be required to access all resource tools.] Students practice comparing numbers by watching a video and attempting practice problems.
CK-12 Foundation
Ck 12: Life Science: Sponges
[Free Registration/Login may be required to access all resource tools.] Sponges are classified in the phylum Porifera, from the Latin words meaning "having pores." Sponges are sessile, meaning they cannot move, so they filter water...
CK-12 Foundation
Ck 12: Life Science: Roundworms
[Free Registration/Login may be required to access all resource tools.] The word "worm" is not very scientific. This informal term describes animals that have long bodies with no arms or legs. Worms with round, non-segmented bodies are...
CK-12 Foundation
Ck 12: Algebra: Square Root Applications
[Free Registration/Login may be required to access all resource tools.] Solve applications using square roots.
CK-12 Foundation
Ck 12: Geometry: Problem Solving Plan, Solve a Simpler Problem
[Free Registration/Login may be required to access all resource tools.] Solve a simpler problem first to help you solve a more difficult word problem.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Money Using Words
[Free Registration/Login may be required to access all resource tools.] The video walks you through an example of pulling out key words to know what operation to use when working with money word problems. The video models converting...
CK-12 Foundation
Ck 12: Elem Math: Determining Amount of Overflow Word Problems
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the amount of overflow in a capacity problem.
CK-12 Foundation
Ck 12: Elem Math: Elapsed Time in a Sequence of Events Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve multi-step word problems by calculating a specified amount of elapsed time in a series of events. Includes video...
CK-12 Foundation
Ck 12: Elem Math: Ending Time in 5 Minute Intervals Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve multi-step word problems involving elapsed time, and starting and ending times. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Factors Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students solve simple word problems involving basic multiplication facts. Includes video demonstrating a sample problem [1:15] and a set of...
CK-12 Foundation
Ck 12: Elem Math: Applications Using Linear Models
[Free Registration/Login may be required to access all resource tools.] This site offers a video, an interactive, and a practice quiz where students must solve word problems using linear equations involving time and rate.
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