CK-12 Foundation
Ck 12: Elem Math: Matching Equivalent 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which shapes are similar by looking at the attributes of the given shapes. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Identifying Vertices Edges and Faces in 3 D Shapes
[Free Registration/Login may be required to access all resource tools.] The video briefly defines the 3D figure given including the edge, face, and vertices, followed by determining the number of vertices in the rectangular prism. The...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Correct Subtraction Sentence
[Free Registration/Login may be required to access all resource tools.] This video describes how to find the subtraction problem that does fit for the solution given in the question. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Incorrect Subtraction Sentence Ii
[Free Registration/Login may be required to access all resource tools.] The video shows how to finding the missing number in a two-digit subtraction problem by working backwards. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Completing the Addition Sentence Sums to 20
[Free Registration/Login may be required to access all resource tools.] The video shows how to count backwards to determine the missing number in an addition problem. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Understanding Less Than and More Than
[Free Registration/Login may be required to access all resource tools.] The video describes what less than means mathematically by continually counting one less than the number provided in the example. The video is followed by a series...
CK-12 Foundation
Ck 12: Elem Math: One Step Subtraction Numbers to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video is a subtraction word problem that describes how to subtract using regrouping. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction problem with two digit numbers. The video is followed by a series of practice questions to assess student comprehension of the concept.
CK-12 Foundation
Ck 12: Elem Math: Counting Rectangle,s Squares, Circles, and Triangles in Sets
[Free Registration/Login may be required to access all resource tools.] The video displays a set of figures and reviews triangles by number of sides. Then all of the triangles out of the set of figures are chosen. The video is followed...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Incorrect Addition Sentence
[Free Registration/Login may be required to access all resource tools.] This video describes how to find the addition problem that does not fit for the solution given in the question. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Subtracting Word Problems Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction word problem with numbers less than 20 and describes how to solve the problem. The video is followed by a series of practice questions...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Addition and Subtraction I Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a word problem with addition and subtraction of two-digit numbers. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Guessing the Correct Numbers
[Free Registration/Login may be required to access all resource tools.] The video describes how to break down a statement to determine the value of a number given two different constraints. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction
[Free Registration/Login may be required to access all resource tools.] The video is a 2 part word problem using addition and subtraction. The video is followed by practice problems to assess student understanding of the concept.
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 3
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by three. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 5
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by five. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplication Sentences Numbers 6, 7, 8, 9, 11, and 12
[Free Registration/Login may be required to access all resource tools.] The video models how to solve a multiplication word problem using pictures, writing the number sentence and solving. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 12
[Free Registration/Login may be required to access all resource tools.] The video describes how to multiply by 12 using repeated addition. The video is followed by a series of practice questions to assess student comprehension of the...
CK-12 Foundation
Ck 12: Elem Math: Recognizing Place Value of Digits in Numbers
[Free Registration/Login may be required to access all resource tools.] The video shows up to the hundreds place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Counting Cubes and Creating a Place Value Model
[Free Registration/Login may be required to access all resource tools.] The video shows how to count cubes and make a place value model with a number in the thousands. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Converting Words to Numbers Using Place Value
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a place value model and change a number written in words to the correct numerical value. The video is followed by practice problems to...
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form Ii
[Free Registration/Login may be required to access all resource tools.] The video shows up to the thousands place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Recognizing Place Value of Digits in Numbers Ii
[Free Registration/Login may be required to access all resource tools.] The video shows up to the thousands place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Identifying Digit Values in Numbers Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes the value of a digit in the thousands place. The video is followed by a series of practice questions to assess student comprehension of the concept.