Descomponer fracciones
4th Grade
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Alabama Course of Study Standards:
15
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Model and justify decompositions of fractions and explain addition and subtraction of fractions as joining or
separating parts referring to the same whole. |
Arizona Academic Standards:
4.NF.B.3a
Common Core State Standards:
Math.4.NF.3a or 4.NF.B.3.A
Kentucky Academic Standards (KAS):
4.NF.3.a
Mississippi College- and Career-Readiness Standards:
4.NF.3a
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Understand addition and subtraction of fractions as joining and
separating parts referring to the same whole. |
Georgia Standards of Excellence (GSE):
4.NR.4.4
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Represent whole numbers and fractions as the sum of unit fractions. |
Louisiana Academic Standards:
4.NF.B.3.a
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Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
Example: 3/4 = 1/4 + 1/4 + 1/4. |
Massachusetts Curriculum Frameworks:
4.NF.B.3.a
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Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. (The whole can be a set of objects.) |
North Carolina - Standard Course of Study:
4.NF.3.a
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Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. |
Tennessee Academic Standards:
4.NF.B.3.a
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Decompose a fraction into a sum of fractions with the same denominator in more than one way (e.g., 3/8 = 1/8 + 1/8 + 1/8; 3/8 = 1/8 + 2/8; 21/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8), recording each decomposition by an equation. Justify
decompositions by using a visual fraction model. |
Alabama Course of Study Standards:
15.a
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Decompose a fraction as a sum of unit fractions and as a sum of fractions with the same denominator in more
than one way using area models, length models, and equations. |
Arizona Academic Standards:
4.NF.B.3b
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Decompose a fraction into a sum of fractions with the same denominator in more than one way (e.g., 3/8 = 1/8 + 1/8+1/8; 3/8 = 2/8 + 1/8; 2 1/8 = 1 + 1 + 1/8 + or 2 1/8 = 8/8 + 8/8 + 1/8). |
Common Core State Standards:
Math.4.NF.3b or 4.NF.B.3.B
Kentucky Academic Standards (KAS):
4.NF.3.b
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Decompose a fraction into a sum of fractions with the
same denominator in more than one way, recording each
decomposition by an equation. Justify decompositions, e.g., by
using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ;
3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8. |
Georgia Standards of Excellence (GSE):
4.NR.4.5
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Represent a fraction as a sum of fractions with the same denominator in more than one way, recording with an equation. |
Mississippi College- and Career-Readiness Standards:
4.NF.3b
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Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model (including, but not limited to: concrete models, illustrations, tape diagram, number line, area model, etc.). Examples: 3/8 = 1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8. |
North Carolina - Standard Course of Study:
4.NF.3.b
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Decompose a fraction into a sum of unit fractions and a sum of fractions with the same denominator in more than one way using area models, length models, and equations. |
New York State Next Generation Learning Standards:
4.NF.3.b
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Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions.
e.g., Justify decompositions by using a visual fraction model such as, but not limited to:- 3/8 = 1/8 + 1/8 + 1/8
- 3/8 = 1/8 + 2/8
- 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8
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Tennessee Academic Standards:
4.NF.B.3.b
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Decompose a fraction into a sum of fractions with the same denominator in more than one way (e.g., 3/8 = 1/8 + 1/8 + 1/8; 3/8 = 1/8 + 2/8; 21/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8), recording each decomposition by an equation. Justify
decompositions by using a visual fraction model. |
Wisconsin Academic Standards:
4.NF.B.3.b
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Decompose a fraction into a sum of unit fractions or multiples of that unit fraction in more
than one way, recording each decomposition by an equation. Justify decompositions with
explanations, visual fraction models, or equations.
For example: 3/8 = 1/8 + 1/8 + 1/8; 3/8 = 1/8 + 2/8; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8. |
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