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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Understanding More Than

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

Ck 12: Elem Math: Selecting the Correct Addition Sentence

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

Ck 12: Elem Math: Adding and Subtracting Three or More Numbers

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

Ck 12: Elem Math: Overview of Subtraction Numbers to 100 Word Problems

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

Ck 12: Elem Math: Filling in the Missing or Sign Numbers to 100

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

Ck 12: Elem Math: Completing the Subtraction Sentence Numbers to 100

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

Ck 12: Elem Math: Single Object Length

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

Ck 12: Elem Math: Pictures Comparing Length in Meters

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

Ck 12: Elem Math: Subtracting by Crossing Out With Pictures

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

Ck 12: Elem Math: Selecting the Subtracting Sentence by Crossing Out

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

Ck 12: Elem Math: Subtracting One Digit Numbers Word Problems

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

Ck 12: Elem Math: Completing the Whole Add Together

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

Ck 12: Elem Math: Subtracting by Crossing Out With Pictures Word Problems

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

Ck 12: Elem Math: Add and Subtract to 100 Mixed Operations and Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students solve addition and subtraction problems in order to determine missing numbers to keep the equation balanced. When...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing an Equivalent Decimal Ending in Zero to Thousandths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to add zeros as place holders at the end of a decimal to make an equivalent decimal out to the thousandths place value in this example.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Correct Subtraction Sentence

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve various multi-digit subtraction problems to determine which problem has a difference that matches the given value. The video is followed...

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