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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction 3 Digits Minus 3 Digits

For Students 2nd - 5th
[Free Registration/Login may be required to access all resource tools.] The video shows how to subtract 3-digit numbers without regrouping. The video is followed by additional problems for students to practice the skills discussed in the...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction Select the Incorrect Sentence

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to use regrouping to solve a series of multi-digit subtraction problems to determine which one does not result in the given difference. The video...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction Complete the Subtraction Sentence

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to work backwards working with 3-digit numbers to determine what number is missing in the subtraction sentence. The video is followed by...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Multiplication Sentences: Numbers 2, 3, 4, 5, and 10

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video uses picture models to show multiplication by fours with grouping.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Multiplying by 3

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

Ck 12: Elem Math: Multiplying by 5

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

Ck 12: Elem Math: Multiplication Sentences Numbers 6, 7, 8, 9, 11, and 12

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

Ck 12: Elem Math: Multiplying by 12

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

Ck 12: Elem Math: Turning Words Into Numbers Using a Place Value Diagram

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The interactive PLIX resource allows students to manipulate base ten blocks to observe how changing the value of each type of block affects the total, including...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Recognizing Place Value of Digits in Numbers

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

Ck 12: Elem Math: Place Value Review

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This interactive media source is practice recognizing place value of digits. Students have to understand place value for whole numbers and determine the place value...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Cubes and Creating a Place Value Model

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

Ck 12: Elem Math: Converting Words to Numbers Using Place Value

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

Ck 12: Elem Math: Representing Numbers in Expanded Form Ii

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

Ck 12: Elem Math: Recognizing Place Value of Digits in Numbers Ii

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

Ck 12: Elem Math: Identifying Digit Values in Numbers Numbers to 10000

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

Ck 12: Elem Math: Number Puzzles Involving Place Value Numbers to 10000

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video is a number puzzle using place value to determine the number described in the puzzle. 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: Comparing Values of Multiple Numbers Within a Set

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to compare 3-digit numbers to determine which is the largest number. The video is followed by practice problems to assess student...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing the Values of Numbers in a Table

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare four different 3-digit numbers to answer a series of questions of the number being the largest or the smallest. The video is followed...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Expressing Decimals in Tenths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in tenths by moving the decimal to the right. The video is followed by additional problems for students to practice the...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Decomposing Decimals Into Place Values Up to Hundredths

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video reviews decimal place value and determines which digit is in the hundredths place. The video is followed by additional problems for students to practice...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Beginning Ending and Elapsed Time Using a Timeline

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to find elapsed time from a timeline. The example includes borrowing time to solve. The video is followed by a series of practice questions...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Using Timelines to 1 Minute Increments

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] In this interactive media source, the video defines a timeline and shows an example of how to read a timeline to answer questions, followed by practice problems to...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Reading Schedules

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to read a schedule to determine specific information using the relationship of the rows and the columns. The video is followed by a series of...

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