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DO NOW
DO NOW
LEARNING TARGET
LEARNING TARGET
I can write ratios and solve proportions.
I can write ratios and solve proportions.
I DO
I DO
What do I need to know today?
A ratio is a comparison by two numbers by division.
A proportion is a statement that two ratios are equal.
We can write ratios in 3 different ways, but fraction notation is the most common at this level of math:
When writing a ratio, both numbers should have the same units, and it should be written in simplest form (like a fully reduced fraction.
Let's do some examples!
This is a bonsai bald cypress tree. A famous bald cypress in Florida, named The Senator, is 118 ft tall. What is the ratio of the height of the bonsai to the height of The Senator?
What is the solution to each proportion?
6/x = 5/4
(y+4)/9 = y/3
WE DO
WE DO
Start your work with a neighbor and work on your own when you're ready!
YOU DO
YOU DO
Complete these problems (page 1 for a 4, skip 11-14)
Additional practice, one point per page
INdependent review
INdependent review
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