1. 2.1 – Ratios & Rates Textbook pg. 116 Objective:
The student will find ratios and unit rates in order to prepare for proportions and conversions.

2. Ratio: comparison of two things
3 to :
The schools has 210 male students, 300 female students, 12 male teachers, and 10 female teachers.
Write the ratio:
Male students to female students ________
Female students to male students ________
Students to teachers ________
Teachers to students ________
Females to males ________
Male teachers to male students ________

3. Rate: ratio of amounts with different units
34 mi $30 4 pages 2 gal 3 hours 20 min
Unit Rate: rate with a denominator of 1
(amount per 1 unit)
17 mi $ pages 1 gal 1 hours 1 min

4. You are shopping for t-shirts. Which store offers the best deal?
Store A Store B Store C
$25 for 2 shirts $45 for 4 shirts $30 for 3 shirts
If Store B lowers it’s price to $42, does that change your answer?

5. You are debating whether to buy groceries in bulk or not
You are debating whether to buy groceries in bulk or not. Determine which choice is best.
Fry’s Costco
48 oz for $ oz for $5.48
3 12-packs for pack for
$ $10.88
32 oz for $ oz for
$15.82

6. Name Date Period 2.1 HW – pg. 119, #9-10