Unit Rates
Presentation
•
Mathematics
•
7th Grade
•
Medium
+2
Standards-aligned
Susan Kahler
Used 376+ times
FREE Resource
5 Slides • 10 Questions
1
Unit Rates
By Susan Kahler
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Remember that when you divide fractions, the rule is multiply by the reciprocal. (Keep, Change, Flip)
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It is ok to get a decimal or a fraction when you do this. Look at the examples below
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You will have some unit rates where you are asked to work with mixed numbers as shown on the left.
When given mixed numbers turn them into improper fractions before dividing.
Remember when you divide fractions follow the Keep Change Flip pattern.
Example with Complex Fractions
Some text here about the topic of discussion
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Multiple Choice
Betty makes pies. To make 6 pies, she uses 7 21 Cups of flour. How many cups of flour are needed to make 1 pie? ( Because you want 1 pie your fraction is pieflour )
1 41 cups
45 cups
1/45 cups
1/4 cup
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Multiple Choice
Sue's
Millie's
Tamira's
Creative
10
Multiple Choice
Marcus
Joseph
Harper
Nikki
11
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Multiple Choice
Six tubs of frosting costs $5. How much is it for 1 tub of frosting?
$1 per tub
$8.30 per tub
$0.83 per tub
$0.08 per tub
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Multiple Choice
A piano teacher charges $200 for 12 piano lessons. How much is it for one piano lesson?
$16.67 per lesson
$17 per lesson
$1.67 per lesson
$16 per lesson
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Multiple Choice
A company charges $2.95 for 24 bottles of water. What is the cost per bottle of water?
$0.12 per bottle
$8.14 per bottle
$0.25 per bottle
$1.12 per bottle
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Multiple Choice
Jane is buying coffee. Coffee Shop A sells 30 ounces for $9.95 and Coffee Shop B sells 12 ounces for $3.50. Which coffee shop is cheaper per ounce?
A because they are selling you more coffee in total
A because there unit price is $0.29 per ounce where B is $0.33 per ounce
B because their unit price is $0.29 per ounce and A is $0.33 per ounce
Unit Rates
By Susan Kahler
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