Decompose Whole Number Fractions
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Lesson Plans and Worksheets for Grade 3
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More Lessons for Grade 3
Common Core For Grade 3
Examples, videos, and solutions to help Grade 3 students learn how to decompose whole number fractions greater than 1 using whole number equivalence with various models.
Common Core Standards: 3.NF.3a, 3.NF.3b, 3.NF.3c
New York State Common Core Math Grade 3, Module 5, Lesson 26
Application Problem
Antonio works on his project for 4 thirds of an hour. His mom tells him that he must spend another 2 thirds hour on it.
Draw number bonds and a number line with copies of thirds to show how long Antonio worked altogether.
Concept Development
Use number bonds to decompose fractions.
Homework
- Partition the number line to show the unit fractions. Then draw number bonds with copies of 1 whole for the circled whole numbers.
- Write the fraction that names the whole numbers for each unit fraction. The first one has been done for you.
- Rider dribbles the ball down 1/3 of the basketball court on the first day of practice. Each day after that he dribbles 1/3 of the way more than he did the day before.
Draw a number line to represent the court. Partition the number line to represent how far Rider dribbles on Day 1, Day 2, and Day 3 of practice. What fraction of the way does he dribble on Day 3?
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