Common Denominators

Created by Tasheka Jones

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8 slides

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Learning TargetI can recognize equivalent fractions by creating common denominators. NF1

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Strategy 1Check to see if the smaller denominator divides into the larger denominator. If so, use the larger denominator as your common denominator.3/8 and 1/2

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Strategy 2Multiply the two denominators together. Use the product as your common denominator.3/4 and 1/3

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Strategy 3Find the LCM of the denominators by listing the multiples of each and circling the first one that is common to both.5/20 and 1/4

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Problem 1What could be a common denominator for 1/2 and 2/5? Type the new fraction pairs.

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Problem 2What could be a common denominator for 4/5 and 7/10? Type the new fraction pairs.

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Problem 3What could be a common denominator for 1/2 and 1/3? Type the new fraction pairs.1. Are these fractions equivalent?
2. Explain your answer using complete sentences

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Group/Independent PracticeBig books page 221
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