CK-12 Foundation
Ck 12: Geometry: Similar Polygons and Scale Factors
[Free Registration/Login may be required to access all resource tools.] This concept teaches students what similar polygons are and how to use scale factors to solve for missing information in similar polygons.
CK-12 Foundation
Ck 12: Geometry: Tessellations Grades 9 10
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about tessellations and how to determine whether or not a figure will tessellate.
CK-12 Foundation
Ck 12: Geometry: Third Angle Theorem Grades 9 10
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to the Third Angle Theorem.
CK-12 Foundation
Ck 12: Geometry: Trapezoids Grades 9 10
[Free Registration/Login may be required to access all resource tools.] This concept will teach students to use and apply the properties of trapezoids.
CK-12 Foundation
Ck 12: Geometry: Triangle Proportionality Grades 9 10
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to determine if lines in triangles are parallel and find missing lengths using the Triangle Proportionality Theorem.
CK-12 Foundation
Ck 12: Statistics: Reducing Bias in Sampling
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to methods for reducing bias.
CK-12 Foundation
Ck 12: Analysis: Instantaneous Rates of Change
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn the difference between average rate of change and instantaneous rate of change. Students examine guided notes, review guided practice,...
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding and Division
[Free Registration/Login may be required to access all resource tools.] Find decimal quotients then round to a given place value.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding to Estimate Sums and Differences
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences by rounding decimals to whole numbers.
CK-12 Foundation
Ck 12: Arithmetic: Division of Decimals by Decimals
[Free Registration/Login may be required to access all resource tools.] Find the quotient of two decimals using zero placeholders.
CK-12 Foundation
Ck 12: Arithmetic: Percent Equation to Find Part A
[Free Registration/Login may be required to access all resource tools.] Use the percent equation to find part a of a proportion.
CK-12 Foundation
Ck 12: Arithmetic: Percent Equation to Find Percent Grade 7
[Free Registration/Login may be required to access all resource tools.] Use the percent equation to find the percent.
CK-12 Foundation
Ck 12: Arithmetic: Percent Equation to Find Percent Grade 8
[Free Registration/Login may be required to access all resource tools.] Use the percent equation to find the percent.
CK-12 Foundation
Ck 12: Arithmetic: Percent Equation to Find the Base B
[Free Registration/Login may be required to access all resource tools.] Use the percent equation to find the base, b.
CK-12 Foundation
Ck 12: Arithmetic: Percent Equation to Find the Base B
[Free Registration/Login may be required to access all resource tools.] Use the percent equation to find the base, b in a proportion
CK-12 Foundation
Ck 12: Arithmetic: Whole Number Addition
[Free Registration/Login may be required to access all resource tools.] Write and solve vertical addition problems with whole numbers.
CK-12 Foundation
Ck 12: Biology: Barriers to Pathogens
[Free Registration/Login may be required to access all resource tools.] Explains the body's first line of defense against pathogens, such as the skin and body fluids.
CK-12 Foundation
Ck 12: Geometry: Intersecting and Parallel Lines
[Free Registration/Login may be required to access all resource tools.] Identify intersecting and parallel lines.
CK-12 Foundation
Ck 12: Life Science: Barriers to Pathogens
[Free Registration/Login may be required to access all resource tools.] Your body has many ways to protect you from pathogens. Your body's defenses are like a castle. The outside of a castle was protected by a moat and high walls. Inside...
CK-12 Foundation
Ck 12: Measurement: Conversion of Systems of Measure
[Free Registration/Login may be required to access all resource tools.] Use customary and metric units of measurement in real-world situations when problem solving.
CK-12 Foundation
Ck 12: Trigonometry: Identifying Sets of Pythagorean Triples
[Free Registration/Login may be required to access all resource tools.] Learn what Pythagorean Triples are.
CK-12 Foundation
Ck 12: Algebra: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] Recognize and identify irrational numbers and the set of real numbers
CK-12 Foundation
Ck 12: Algebra: Proportions With Variable in the Numerator
[Free Registration/Login may be required to access all resource tools.] Use algebra to solve proportions with the variable in the numerator.
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Equations
[Free Registration/Login may be required to access all resource tools.] Recognize a quadratic function as an equation in two variables with a specific form.