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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Grouping With Illustrations Ii Word Problems

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a division word problem with sharing. The video is followed by additional problems for students to practice the skills discussed in...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Finding the Expression Not Matching a Given Number

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number sentence in a series does not compute the correct solution given. The video is followed by practice problems to...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Finding the Number From Figure Patterns

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to use division to find the answer to a multiplication problem. The video is followed by practice problems to assess student understanding of...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Dividing to Find the Amount

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The video describes how to use division to solve a word problem using whole product and unit product to determine how many. The video is followed by practice...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting With Parentheses

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] The resource includes a video tutorial on how to find a missing number in a multi-operational problem by working backwards. The video is followed by practice...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Fractions With Different Denominators

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This begins with a video that gives a list of steps and describes how to add fractions with unlike denominators. Following the video is practice problems adding two...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Correct Subtraction Sentence

For Students 2nd - 4th
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Incorrect Subtraction Sentence Ii

For Students 2nd - 4th
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Completing the Addition Sentence Sums to 20

For Students 1st - 2nd
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Understanding Less Than and More Than

For Students 1st - 2nd
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Related Subtraction Facts

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes the parts of a subtraction problem to aide in determining which additional subtraction problem is related to the original problem. The video is...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: One Step Subtraction Numbers to 100 Word Problems

For Students 1st - 2nd Standards
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[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.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Overview of Telling Time to Quarter and Hour

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video describes the different parts of a clock, how to tell hours, how to tell minutes, and how to write the time displayed on the clock digitally.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Rectangle,s Squares, Circles, and Triangles in Sets

For Students 1st - 2nd Standards
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Word Problems Sums to 20

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve an addition word problem with a sum up to 20. The video is followed by additional practice problems.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Incorrect Addition Sentence

For Students 2nd - 4th
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting Word Problems Numbers Up to 20

For Students 2nd - 4th Standards
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Mixed Operations Addition and Subtraction I Word Problems

For Students 2nd - 4th Standards
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Guessing the Correct Numbers

For Students 2nd - 4th
[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...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction

For Students 2nd - 4th Standards
[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.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Two Digit Numbers With Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video models how to add two-digit numbers using regrouping. The video is followed by practice problems.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Addition 3 Digits

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a 3-digit addition problem. The video is followed by practice problems covering the topic in the video.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Addition Complete the Addition Sentence

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to work backwards to solve a 3-digit addition problem. The video is followed by practice problems covering the topics in the video.

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