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Lesson Menu Five-Minute Check (over Lesson 10–9) Main Idea Example 1:Rename Mixed Numbers to Subtract Example 2:Rename Mixed Numbers to Subtract Example 3:Rename Mixed Numbers to Subtract
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Main Idea/Vocabulary I will subtract mixed numbers.
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Example 1 Rename Mixed Numbers to Subtract A bag of potatoes weighs 3 pounds. A bag of onions weighs 2 pounds. How much more do the potatoes weigh than the onions? 1 5 4 5 You need to find 3 – 2. 1 5 4 5
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Example 1 Rename Mixed Numbers to Subtract Since is less than, rename 3 before subtracting. 1 5 4 5 1 5 3 1 5 =2 1 5 5 5 + + or 2 6 5
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Example 1 Rename Mixed Numbers to Subtract 3 1 5 2 4 5 – 2 6 5 2 4 5 – 2 5 Rename 3 as 2. 1 5 6 5 Subtract the fractions and then the whole numbers. Answer: So, a bag of potatoes weighs pounds more than a bag of onions. 2 5
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1.A 2.B 3.C 4.D Example 1 A. 3 8 Find 4 – 3. 1 8 6 8 B. 1 2 5 D. 3 1 8 C. 1 3 8
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Example 2 Rename Mixed Numbers to Subtract Find 6 – 3. 1 2 2 3 Since is less than, rename 6 before subtracting. 3 6 4 6 3 6 THINK 6 = 5 + 1 + 3 6 3 6 Rename 1 as. 6 6 = 5 + + or 5 3 6 6 6 9 6
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Example 2 Rename Mixed Numbers to Subtract 6 3 6 3 4 6 – 5 9 6 3 4 6 – 5 6 Rename 6 as 5. 3 6 9 6 Subtract the fractions and then the whole numbers. 2 Answer: So, 6 – 3 = 2. 3 6 4 6 5 6
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1.A 2.B 3.C 4.D Example 2 B. 2 2 3 A. 2 5 6 Find 4 – 1. 1 3 2 3 D. 3 1 3 C. 4 4 3
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Example 3 Rename Mixed Numbers to Subtract Bradley has 4 yards of fencing. He is making a fence that is 3 yards long. How much fencing material will be left? 3 4
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Example 3 Rename 4 as a mixed number before subtracting. 4=3+ 4 4 or 3 4 4 Rename Mixed Numbers to Subtract
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Example 3 Rename Mixed Numbers to Subtract 4 3 3 4 – 3 4 4 3 3 4 – 1 4 Rename 4 as 3. 9 6 Subtract the fractions and then the whole numbers. Answer: So, Bradley will have yard of fencing left. 1 4
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1.A 2.B 3.C 4.D Example 3 Stacy has 7 yards of fencing. She is making a fence that is 6 yards long. How much fencing material will be left? 2 5 D. yard 3 5 A. 6 yards 2 5 B. 4 yards 3 5 C. 1 yards 2 5
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End of the Lesson End Lesson
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Resources Five-Minute Check (over Lesson 10–9) Image Bank Math Tool Chest Add Like Fractions
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1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 10–9) Use any problem-solving strategy to solve. Jamala has nine coins in her pocket that total $1.26. What are the nine coins? A.2 quarters, 7 dimes B.3 quarters, 4 dimes, 1 nickel, 1 penny C.3 quarters, 4 dimes, 2 pennies D.3 quarters, 5 dimes, 1 penny
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