Ratios (2).notebook
Warm­Up
February 01, 2017
Monday 1­30­17
1) What is a ratio?
2) Reduce: 24/64
3) Simplify: 22/34
1
Ratios (2).notebook
Warm­Up
February 01, 2017
Monday 1­30­17
1) What is a ratio? a comparison of two things that are alike.
2) Reduce: 24/64 3) Simplify: 22/34 2
Ratios (2).notebook
February 01, 2017
Develop a ratio of boys to girls in this class.
# of boys ____
# of girls ____ There are three ways to write a ratio:
(Always write ratio in the order it is given!)
Fraction:
boys
girls
Words:
boys to girls
Colon:
boys: girls
3
Ratios (2).notebook
A ratio is:
• Comparing one quantity to another
• A simplified fraction (can be improper) February 01, 2017
A ratio is NOT:
• A decimal
• A negative number
• A mixed number
• A statement with a colon
• uses the word "to" when saying a ratio (3 to 5)
4
Ratios (2).notebook
February 01, 2017
Express the ratio 12 baskets in 18 attempts as a fraction in simplest form and explain its meaning.
5
Ratios (2).notebook
February 01, 2017
Using the table, express the ratio of the life span of a bottlenose dolphin to the life span of a mouse and explain its meaning.
6
Ratios (2).notebook
February 01, 2017
Ten out of every 30 Americans owns a portable MP3 player. Express this ratio as a fraction in simplest form and explain its meaning.
7
Ratios (2).notebook
February 01, 2017
Fifteen out of 100 campsites at a campground are reserved for campers with pets. Express this ratio as a fraction in simplest form and explain its meaning
8
Ratios (2).notebook
February 01, 2017
Express the ratio 8 ounces to 3 pounds as a fraction in simplest form.
9
Ratios (2).notebook
February 01, 2017
Express the ratio 15 inches to 1 foot as a fraction in simplest form. 10
Ratios (2).notebook
February 01, 2017
Textbook p. 185 #1­9
11
Ratios (2).notebook
February 01, 2017
12