NDLI: Decomposing Fractions

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Decomposing Fractions

Content Provider	PBS LearningMedia
Copyright Year	2017
Description	To decompose means to break apart. Your child has already decomposed whole numbers with number bonds, tape diagrams, and place value charts. In fourth grade, he will decompose fractions. Three-eighths is a fraction. We can decompose three-eighths into parts using a tape diagram as the visual model. One-eighth, plus one-eighth, plus one-eighth equals three-eighths.Your child will write this as an equation. These are called unit fractions. He will also decompose three-eighths as two-eighths plus one-eighths. Decomposing fractions into different parts helps your child to understand that one whole can be expressed in more than one way. Sometimes your child will work with improper fractions. Ten-fourths is an improper fractions because the numerator is greater than the denominator. Your child will decompose an improper fraction by considering the denominator and pulling out one whole. Four-fourths equals one whole. After pulling out four-fourths, six-fourths remain. But wait! He can pull out another whole! Your child knows one whole equals one, so he can now see ten-fourths equals one plus one plus two-fourths. Practice decomposing fractions with your child so he will be ready for mixed numbers and performing operations with fractions!
Sponsorship	Southern Tier Teacher Center Network (STTCN) Schuyler-Chemung-Tioga/Corning Teacher Center NYS Teacher Centers
Language	English
Publisher	PBS Learning Media
Publisher Date	2017-03-16
Access Restriction	Open
Rights Holder	WSKG Public Telecommunications Council
Subject Keyword	Mathematics K-8 Mathematics Number & Operations—Fractions Building From Unit Fractions Fraction a/b as Multiple of 1/b Understanding Addition and Subtraction in Relation to Parts and Wholes (Grade 4) Decomposing Fractions Into Sums of Fractions (Grade 4)
Content Type	Video
Educational Role	Teacher Student
Time Required	PT2M3S
Education Level	Class IV
Resource Type	Broadcast
Subject	Fractions

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