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Unit Fractions




 


Videos to help Grade 3 students learn how to partition a whole into equal parts and define the equal parts to identify the unit fraction numerically.

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

Related Topics:
Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 3

Common Core For Grade 3

NY Common Core Math Module 5, Grade 3, Lesson 5

Application Problem
Ms. Browne cut a 6 meter rope into 3 equal size pieces to make jump ropes. Mr. Ware cut a 5 meter rope into 3 equal size pieces to make jump ropes. Which class has longer jump ropes? (Bonus: How long are the jump ropes in Ms. Browne’s class?)

Remember to always answer a problem with a complete statement.

Concept Development
Cut a circle into two equL parts.
What’s the name of each unit? 1 half.

1 half is the unit form.
The numerical form is ½

Both of these refer to the same thing: 1 out of 2 equal units.



Lesson 5 Problem Set

1. Fill in the chart. Then whisper the fractional unit.
Total Number of Equal Parts, Total Number of Equal Parts Shaded, Unit Form, Fraction






Concept Development and Homework

4. Draw two identical rectangles. Shade 1 seventh of one rectangle and 1 tenth of the other. Label the unit fractions. Use your rectangles to explain why 1/7 is greater than 1/10.



Lesson 5 Homework

1. Fill in the chart. Then whisper the fraction.
Total Number of Equal Parts, Total Number of Equal Parts Shaded, Unit Form, Fraction

2. This figure is divided into six parts. Are they sixths? Explain your answer.

4. Draw two identical rectangles. Shade 1 seventh of one rectangle and 1 tenth of the other. Label the unit fractions. Use your rectangles to explain why 1/7 is greater than 1/10.




 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other 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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