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Adding Thirds and Fourths

Adding Thirds and Fourths. Think about how pattern blocks help to illustrate the common denominator used to add and . + = ___. Montgomery County Public Schools, Maryland Curriculum 2.0 – Grade 5 2012.

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Adding Thirds and Fourths

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  1. Adding Thirds and Fourths Think about how pattern blocks help to illustrate the common denominator used to add and . + = ___ Montgomery County Public Schools, MarylandCurriculum 2.0 – Grade 5 2012

  2. Think about how pattern blocks help to illustrate the common denominator used to add and . + = ___

  3. Does partitioning thirds to make sixths help you add?Can you partition fourths to make sixths? + = ___

  4. Does partitioning fourths to make eighths help you add?Can you partition thirds to make eighths? + = ___

  5. Does partitioning thirds to make twelfths help you add?Can you partition fourths to make twelfths? + = ___

  6. What equivalent fractions help you add and ? + = ___

  7. What is the sum of + ? + = ___ + = ___

  8. What is the relationship between the denominators used to determine the sum? + = + = ___

  9. Why is one third replaced by four twelfths? Why is one fourth replaced by three twelfths? + = + = ___

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