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

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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Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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