Ratios Rates Conversions You will Find Ratios Rates
- Slides: 16
Ratios, Rates & Conversions You will: Find Ratios & Rates Convert Units & Rates
Ratio: Compares two numbers by division Rate: A ratio that compares quantities measured in different units Unit Rate: A rate with a denominator of 1
Problem 1 a) 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
If Store B lowers its price to $42 for 4 shirts, does the solution to Problem 1 change? Explain.
Conversion Factor: A ratio of two equivalent measures in different units. Always equal to 1. To convert from one unit to another, such as yards to feet, you multiply the original unit by a conversion factor that produces the desired unit.
Problem 2 Convert each given amount into the given units. a) 330 min to hours b) 15 kg to grams
Problem 2 Convert each given amount into the given units. c) 1250 cm to meters d) 5 ft 3 in to inches
Problem 2 Convert each given amount into the given units. e) 5 lb 3 oz to ounces f) 8 ft to yards
Homework Assignment Textbook Page 119; #1, 2, 5, 6, 7, 8, 9 – 16 All ***Bring Calculator to Class Tomorrow *** Use Page 814 for any conversions you do not already know. You will be held responsible for knowing them on the next quiz.
Ratios, Rates & Conversions Continued… You will: Convert Units & Rates
Problem 3 a) The CN Tower in Toronto, Canada, is about 1815 feet tall. About how many meters tall is the tower? Use the fact that 1 m ≈ 3. 28 feet.
Problem 3 b) A building is 1450 feet tall. How many meters tall is the building? Use the fact that 1 m ≈ 3. 28 feet. c) Monetary exchange rates change from day to day. On a particular day, the exchange rate for dollars to euros was about 1 dollar = 0. 63 euro. About how many euros could you get for $325 on that day?
You can convert rates. For example: miles per hour to feet per minute Since rates compare measures in two different units, you must multiply by two conversion factors to change both of the units
Problem 4 a) A student ran the 50 – yard dash in 5. 8 seconds. At what speed did the student run in miles per hour? Round your answer to the nearest tenth.
Problem 4 b) An athlete ran a sprint of 100 feet in 3. 1 seconds. At what speed was the athlete running in miles per hour? Round to the nearest mile per hour.
Problem 4 c) A car is traveling at 55 miles per hour. What is the car’s speed in feet per second?
- 2-6 practice ratios rates and conversions form g
- Ratio rates and conversions
- Is a ratio a rate
- Ratio guided notes
- Ratios rates and unit rates
- Ratios rates and unit rates
- Ratio and rates
- Ratios, rates, and proportions
- 4-5 lesson quiz
- Ratios rates and proportions worksheet
- 2 6 rates ratios, and proportions answers
- 1-8 rates ratios and proportions
- How to find the missing number in ratio
- Equivalent ratios
- How to find out ratios
- How to find equivalent rates
- What is rcf in cooking