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DO NOW
DO NOW
I have 1/2 of a pizza. Mr. Coleman has 1/4 of the same pizza. Mr. Lutke has 1/8 of the pizza. Do we have the whole pizza? How do you know?
I have 1/2 of a pizza. Mr. Coleman has 1/4 of the same pizza. Mr. Lutke has 1/8 of the pizza. Do we have the whole pizza? How do you know?
LEARNING TARGET
LEARNING TARGET
I can add and subtract fractions that have a common denominator.
I can add and subtract fractions that have a common denominator.
I DO
I DO
What is a common denominator?
What is a common denominator?
Two fractions have a common denominator when their denominators (the bottom numbers) are the same.
How do you add and subtract fractions when they have a common denominator?
How do you add and subtract fractions when they have a common denominator?
Easy! You add or subtract their numerators, and leave the denominator the same!
Easy! You add or subtract their numerators, and leave the denominator the same!
Let's do some examples!
Let's do some examples!
WE DO
WE DO
For the We Do, let's do the first 5 problems on the work, and compare with a neighbor. If you have the same answers, you can keep going! If you don't, figure out what went wrong.
YOU DO
YOU DO
Exit ticket
Exit ticket
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