2 -6 Ratios, Rates, and Conversions Objective: To find ratios and rates. To convert units and rates
Warm-Up: Two Olympic athletes can run the races in the times shown. Who is the faster runner? How do you know?
Ratio A comparison of two numbers by division
Rate A ratio that compares different units of measure Unit Rate A rate with a denominator of 1
Ex 1: You are shopping for T-shirts. Which store offers the best deal? Store A: $25 for 2 shirts Store B: $45 for 4 shirts Store C: $30 for 3 shirts
Conversions
Ex 2: What is 330 min in hours?
Ex 3: Convert 5 ft. 3 in. into inches
Ex 4: What is 1250 cm converted to meters?
Ex 5:
Ex 6: A Student ran the 50 -yd dash in 5. 8 s. At what speed did the student run in miles per hour? Round your answer to the nearest tenth
Ex 7: An Athlete ran a sprint of 100 ft. in 3. 1 s. At what speed was the athlete running in miles per hour? Round to the nearest miles per hour.
Classwork 2 -6 P. 119 #s 9 -29 odd
Homework 2 -6 P. 119 #s 10 -30 even
Classwork Answers 2 -6 P. 119 #s 9 -29 odd 9) Olga 11) 189 ft 13) 40 oz 15) 240 s 17) About 8. 2 m 19) 7900 cents 21) About 35 in. 23) 1. 875 gal/h 25) 87 27) 150 29) 18
Homework Answers 2 -6 P. 119 #s 10 -30 even 10) Bellingham, WA 12) 7 d 14) 2 m 16) 1. 5 L 18) About 11 lb 20) About 2. 8 L 22) About 61 cm 24) $0. 09 a day 26) About 4. 8 28) 1/120 30) About 65. 8
2 -6 Ratios, Rates, and Conversions Objective: To find ratios and rates. To convert units and rates