CK-12 Foundation
Ck 12: Elem Math: Subtracting One Digit Numbers Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a subtraction problem by creating a model. The video is followed by a series of practice questions to assess student comprehension of...
CK-12 Foundation
Ck 12: Elem Math: Completing the Whole Add Together
[Free Registration/Login may be required to access all resource tools.] The interactive practice problems involve completing the whole by determining what portion of the diagram or fraction are missing to make the whole. When students...
CK-12 Foundation
Ck 12: Elem Math: Subtracting by Crossing Out With Pictures Word Problems
[Free Registration/Login may be required to access all resource tools.] The video uses a picture to aide in describing how to subtract by crossing out the total number being subtracted. The video is followed by additional problems for...
CK-12 Foundation
Ck 12: Arithmetic: Whole Number Exponents
[Free Registration/Login may be required to access all resource tools.] Understand and solve problems with exponents.
CK-12 Foundation
Ck 12: Algebra: Multiplication and Division Phrases as Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students write multiplication and division verbal phrases as single variable equations. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Arithmetic: Decimal Comparisons With Rounding
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals by rounding the decimals
CK-12 Foundation
Ck 12: Algebra: Two Step Equations From Verbal Models
[Free Registration/Login may be required to access all resource tools.] Use verbal models to write two-step equations
CK-12 Foundation
Ck 12: Geometry: Similarity
[Free Registration/Login may be required to access all resource tools.] Recognize similarity in figures
CK-12 Foundation
Ck 12: Geometry: Estimation of Parallelogram Area in Scale Drawings
[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate actual areas of parallelograms in scale drawings. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Arithmetic: Percent of Decrease
[Free Registration/Login may be required to access all resource tools.] Find the percent of decrease.
CK-12 Foundation
Ck 12: Arithmetic: Estimation to Check Decimal Division
[Free Registration/Login may be required to access all resource tools.] Estimate and confirm decimal quotients by dividing leading digits
CK-12 Foundation
Ck 12: Algebra: Inequalities on a Number Line
[Free Registration/Login may be required to access all resource tools.] Use a number line to graph inequalities
CK-12 Foundation
Ck 12: Geometry: Volume of Rectangular Prisms
[Free Registration/Login may be required to access all resource tools.] Find the volume of rectangular prisms.
CK-12 Foundation
Ck 12: Flex Book Textbooks: Physical Science Concepts for Middle School
[Free Registration/Login may be required to access all resource tools.] A complete, web-based textbook covering a wide range of middle school concepts in Physical Science.
CK-12 Foundation
Ck 12: Chemistry: Naming Binary Molecular Compounds
[Free Registration/Login may be required to access all resource tools.] Covers molecular compound, binary molecular compound, molecules, and naming of binary molecular compounds.
CK-12 Foundation
Ck 12: Chemistry: Polyatomic Ions
[Free Registration/Login may be required to access all resource tools.] Covers structures of polyatomic ions and polyatomic ion nomenclature.
CK-12 Foundation
Ck 12: Chemistry: Colloids and Suspensions
[Free Registration/Login may be required to access all resource tools.] Defines colloid, properties of colloids, and explains types of colloids.
CK-12 Foundation
Ck 12: Earth Science: Mechanical Weathering
[Free Registration/Login may be required to access all resource tools.] Describes various types of mechanical weathering.
CK-12 Foundation
Ck 12: Earth Science: Mercury
[Free Registration/Login may be required to access all resource tools.] Recognize the characteristics of the planet Mercury.
CK-12 Foundation
Ck 12: Earth Science: Mercury
[Free Registration/Login may be required to access all resource tools.] Recognize the characteristics of the planet Mercury.
CK-12 Foundation
Ck 12: Earth Science: Mercury Pollution
[Free Registration/Login may be required to access all resource tools.] How mercury poses a threat to human health.
CK-12 Foundation
Ck 12: Earth Science: Mesosphere
[Free Registration/Login may be required to access all resource tools.] Describes the properties of the mesosphere.
CK-12 Foundation
Ck 12: Earth Science: Mesosphere
[Free Registration/Login may be required to access all resource tools.] Describes the properties of the mesosphere.
CK-12 Foundation
Ck 12: Earth Science: Mesozoic Plate Tectonics
[Free Registration/Login may be required to access all resource tools.] How Pangaea split apart and formed the Atlantic Ocean.