CK-12 Foundation
Ck 12: Algebra: Guess and Check, Work Backward
[Free Registration/Login may be required to access all resource tools.] Develop and use the strategies of guess and check and work backward.
CK-12 Foundation
Ck 12: Algebra: Inequality Expressions
[Free Registration/Login may be required to access all resource tools.] Write inequalities represented by a graph and graph inequalities on a number line.
CK-12 Foundation
Ck 12: Algebra: Linear Interpolation and Extrapolation
[Free Registration/Login may be required to access all resource tools.] Use linear interpolation, linear extrapolation, and the line of best fit to make predictions about a data set.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve systems of linear equations that require multiplication and addition or subtraction to eliminate one of the variables.
CK-12 Foundation
Ck 12: Algebra: Mixture Problems
[Free Registration/Login may be required to access all resource tools.] Solve problems that deal with a mixture of two things using the substitution method.
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Ck 12: Algebra: Multiplication of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students multiply rational expressions involving monomials and polynomials. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Algebra: Multi Step Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve inequalities that involve more than one step to isolate the variable and graph the solution. Students examine guided notes, review...
CK-12 Foundation
Ck 12: Algebra: Points in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] Graph ordered pairs on a coordinate grid.
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Ck 12: Algebra: Problem Solving Models
[Free Registration/Login may be required to access all resource tools.] Solve word problems with a plan.
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Ck 12: Algebra: Problem Solving With Linear Graphs
[Free Registration/Login may be required to access all resource tools.] Devise a problem-solving strategy that uses a graph to solve real-world problems.
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Ck 12: Algebra: Pythagorean Theorem and Its Converse
[Free Registration/Login may be required to access all resource tools.] Determine if three side lengths make a right triangle, and given the length of its legs, find the length of a right triangle's hypotenuse.
CK-12 Foundation
Ck 12: Algebra: Special Products of Polynomials
[Free Registration/Login may be required to access all resource tools.] Find the square of a binomial and use the sum and difference formula to find the product of binomials.
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Ck 12: Algebra: Systems Using Substitution
[Free Registration/Login may be required to access all resource tools.] Isolate and substitute for one variable to solve systems of equations in two variables.
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Ck 12: Algebra: Zero Product Principle
[Free Registration/Login may be required to access all resource tools.] Factor polynomial equations and apply the Zero-Product Property to solve them.
CK-12 Foundation
Ck 12: Biology: Evolution of Life
[Free Registration/Login may be required to access all resource tools.] Overview of the evolution of life and Darwin's theory of evolution.
CK-12 Foundation
Ck 12: Biology: Evolution of Life
[Free Registration/Login may be required to access all resource tools.] Covers the evolution of life.
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Ck 12: Biology: Exocytosis and Endocytosis
[Free Registration/Login may be required to access all resource tools.] Describes exocytosis and endocytosis.
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Ck 12: Biology: Fermentation
[Free Registration/Login may be required to access all resource tools.] An overview of fermentation, a type of anaerobic respiration.
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Ck 12: Biology: Fish Classification
[Free Registration/Login may be required to access all resource tools.] Discusses how fish are classified.
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Ck 12: Biology: Fish Evolution and Ecology
[Free Registration/Login may be required to access all resource tools.] Covers the evolution and ecology of fish.
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Ck 12: Biology: Flatworms
[Free Registration/Login may be required to access all resource tools.] Discusses characteristics of flatworms.
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Ck 12: Biology: Food and Nutrients
[Free Registration/Login may be required to access all resource tools.] Discusses classes of nutrients and their functions in the human body.
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Ck 12: Biology: Forces of Evolution
[Free Registration/Login may be required to access all resource tools.] Describes three of the four forces of evolution: mutation, gene flow, and genetic drift.
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Ck 12: Biology: Fungi Reproduction
[Free Registration/Login may be required to access all resource tools.] Covers asexual and sexual reproduction of fungi.