Build Non-Unit Fractions

Videos, examples, solutions, and lessons to help Grade 3 students learn how to build non-unit fractions less than one whole from unit fractions.

Common Core Standards: 3.NF.1, 3.NF.3c, 3.G.2

NY Common Core Math Module 5, Grade 3, Lesson 6
Worksheets for Grade 3

Lesson 6 Application Problem
Chloe’s dad partitions his garden into 4 equal size sections to plant tomatoes, squash, peppers, and cucumbers.
What fraction of the garden is available for growing tomatoes? (Bonus: Chloe talked her dad into planting beans and lettuce too. He used equal size sections for all the vegetables. What fraction do the tomatoes have now?)

Lesson 6 Concept Development

Unit form. 1 half
Numerical form. ½
What does the 2 mean? 2 is the number of equal parts that the whole is cut into.
What does the 1 mean? We are talking about 1 of the equal parts.

Lesson 6 Homework

1. Complete the number sentence. Estimate to equally partition each strip and shade the answer.
   a. 2 thirds =
   c. 3 fifths =
   
   
2. Fill in the chart.
   Total Number of Equal Parts, Total Number of Shaded Equal Parts, Unit Fraction, Fraction Shaded.

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Lesson 6 Concept Development and Homework

2. Mr. Abney bought 6 kg of rice. He cooked 1 kg of it for dinner.
a. What fraction of the rice did he cook for dinner?
b. What fraction of the rice was left?

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