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Big Idea:
Big Idea:
Find a common denominator to add and subtract fractions.
Student Expectations:
Student Expectations:
Priority TEKS
Priority TEKS
5.3(H) [Supporting] Represent and solve addition and subtraction of fractions with unequal denominators referring to the same whole using objects and pictorial models and properties of operations.
Focus TEKS
Focus TEKS
5.3(A) [Supporting] Estimate to determine solutions to mathematical and real-world problems involving addition, subtraction, multiplication, or division.
Ongoing TEKS
Ongoing TEKS
5.3(K) [Readiness] Add and subtract positive rational numbers fluently.
Student Learning Targets:
Student Learning Targets:
- I will find the least common multiple to determine the common denominator.
- I will find the new equivalent fractions with the common denominators.
- I will write why finding common denominators is essential in order to add or subtract fractions.
Essential Questions:
Essential Questions:
- How can you use models to add and subtract fractions that have unequal denominators?
- How can you rewrite a pair of fractions so that they have a common denominator?
- How can you use a common denominator to add and subtract fractions with unequal denominators?
- How can you add and subtract mixed numbers with unequal denominators?
Extra Information:
Extra Information:
Adopted Textbook: Houghton Mifflin Harcourt - GO Math!
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