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Multiplication -Place Value Strategy

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Multiplication-PlaceValue.m4v
Multiplication-PlaceValue_x264.mp4

Creator:

Kellie Smithson


School/Organization:

Vestavia Hills Elementary Central

Vestavia Hills City School System  

Overview:


Fourth grade students will explain the process and steps of an alternative way to solve multiplication problems.  Students will explore this alternative algorithm that focuses on place value.  Students will use their place value knowledge in order to break apart each number and solve for a product. Students will also use their knowledge of arrays to organize the steps of the problem.

 


Length: 03:27

Content Areas: Math

Alabama Course of Study Alignments and/or Professional Development Standard Alignments:

[MA2013] (4) 6: Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. [4-NBT1]
[MA2013] (4) 7: Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. [4-NBT2]
[MA2013] (4) 8: Use place value understanding to round multi-digit whole numbers to any place. [4-NBT3]
[MA2013] (4) 20: Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale. [4-MD2]
[MA2013] (5) 7: Use place value understanding to round decimals to any place. [5-NBT4]

National/Other Standards:

Understand numbers, ways of representing numbers, relationships among numbers, and number systems:

 

  • understand the place-value structure of the base-ten number system;
  • recognize equivalent representations for the same number and generate them by decomposing and composing numbers.

 

Understand meanings of operations and how they relate to one another:

• understand various meanings of multiplication.

 

Compute fluently and make reasonable estimates:

 

  • develop fluency with basic number combinations for multiplication and use these combinations to mentally compute related problems, such as 30 × 50;
  • develop fluency in adding and multiplying whole numbers.

 

 


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