CK-12 Foundation
Ck 12: Elem Math: Understanding More Than
[Free Registration/Login may be required to access all resource tools.] The video describes what more than means mathematically by continually counting one more than the number provided in the example. The video is followed by a series...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Correct Addition Sentence
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which single digit addition problem has a sum of the given value. The video is followed by additional problems for students to...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Three or More Numbers
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.
CK-12 Foundation
Ck 12: Elem Math: Overview of Subtraction Numbers to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video explains two subtraction problems one with regrouping and the other without regrouping.
CK-12 Foundation
Ck 12: Elem Math: Two Step Subtraction Numbers to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to break down a word problem into two steps to solve a subtraction problem with numbers up to 100. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Filling in the Missing or Sign Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video works through 2-digit addition and subtraction problems to determine which number sentence coincides with the given value. The video is followed by...
CK-12 Foundation
Ck 12: Elem Math: Completing the Subtraction Sentence Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video describes how to fill in a missing number in a 2-digit subtraction sentence. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Single Object Length
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a ruler and determine the length of an object in inches. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Pictures Comparing Length in Meters
[Free Registration/Login may be required to access all resource tools.] The video uses pictures to aide in comparing length in meters to answer a series of questions using the pictures and measurement lengths. The video is followed by a...
CK-12 Foundation
Ck 12: Elem Math: Subtracting by Crossing Out With Pictures
[Free Registration/Login may be required to access all resource tools.] The video shows modeling of subtraction by crossing out pictures with numbers less than ten. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Subtracting Sentence by Crossing Out
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which subtraction sentence coincides with the given picture where the subtraction is shown by crossing out objects. The video is...
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: Modern Atomic Theory
[Free Registration/Login may be required to access all resource tools.] Rutherford's model of the atom was better than earlier models. But it wasn't the last word. Danish physicist Niels Bohr created a more accurate and useful model....
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