CK-12 Foundation
Ck 12: Algebra: Equations With Decimals, Fractions, and Parentheses
[Free Registration/Login may be required to access all resource tools.] Solve multi-step equations that involve rational numbers
CK-12 Foundation
Ck 12: Measurement: Conversions in Metric Units
[Free Registration/Login may be required to access all resource tools.] Convert among metric units of measure using powers of 10.
CK-12 Foundation
Ck 12: Measurement: Conversions of Measurements in Metric Units
[Free Registration/Login may be required to access all resource tools.] Convert metric units of length, mass, or capacity by multiplying by powers of ten.
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Simplify variable expressions involving multiple operations
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions that involve integer addition
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions involving subtraction and integers
CK-12 Foundation
Ck 12: Algebra: Systems of Linear Equations in Three Variables
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of equations in three variables (x, y, and z).
CK-12 Foundation
Ck 12: Measurement: Metric Length Comparison
[Free Registration/Login may be required to access all resource tools.] Convert metric lengths to the same unit and compare.
CK-12 Foundation
Ck 12: Algebra: Products and Quotients of Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Simplify variable expressions involving multiplication and division.
CK-12 Foundation
Ck 12: Algebra: Simplify Products or Quotients
[Free Registration/Login may be required to access all resource tools.] Simplify products or quotients of single variable expressions
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions involving integer division
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions involving integer multiplication
CK-12 Foundation
Ck 12: Geometry: Applications of the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the Pythagorean Theorem to find perimeter and area. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Measurement: Equivalent Metric Units of Capacity
[Free Registration/Login may be required to access all resource tools.] Convert metric units of capacity and identify equivalencies.
CK-12 Foundation
Ck 12: Statistics: Stem and Leaf Plots, Mean, Median, and Mode
[Free Registration/Login may be required to access all resource tools.] Find the mean, median, and mode of a set of data displayed in a stem-and-leaf plot.
CK-12 Foundation
Ck 12: Statistics: Stem and Leaf Plots, Range of a Data Set
[Free Registration/Login may be required to access all resource tools.] Find the range of a set of data displayed in a stem-and-leaf plot.
CK-12 Foundation
Ck 12: Measurement: Conversion of Customary Units by Dividing
[Free Registration/Login may be required to access all resource tools.] Convert customary units of measure by dividing when converting from small units to large units.
CK-12 Foundation
Ck 12: Measurement: Conversion of Customary Units by Multiplying
[Free Registration/Login may be required to access all resource tools.] Convert customary units of measure by multiplying when converting from large units to small units.
CK-12 Foundation
Ck 12: Function Rules for Input Output Tables: Soda Sugar Function Table
[Free Registration/Login Required] Students are given an input/output table and are to determine the inputs and write rules for the function. Click 'Challenge Me' to answer practice questions and click 'Learn More' for more information...
CK-12 Foundation
Ck 12: Plix: Island Chain Formation: Plate Tectonics Through Earth History
[Free Registration/Login Required] This site contains information and a quiz about how an island chain forms.
CK-12 Foundation
Ck 12: Plix: Scale Distances or Dimensions
[Free Registration/Login Required] An assessment for students to show their knowledge of scientific models.
CK-12 Foundation
Ck 12: Plix: Independence vs. Dependence: Geological Stresses
[Free Registration/Login Required] An animation to illustrate the effects that different tectonic stresses have on rocks. Also included on the site is a short quiz over tension and compression.
CK-12 Foundation
Ck 12: Plix: Stress Types: Geological Stresses
[Free Registration/Login Required] This site includes the chance to label diagrams and answer a short quiz about geological stresses.
CK-12 Foundation
Ck 12: Plix: Build Some Helium: Atoms to Molecules
[Free Registration/Login Required] Build your own helium atom and make sure it has the correct number of protons, electrons, and neutrons on this site. Site also includes a small quiz on the topic.