Unit Rates and Ratios in Context

This video tutorial covers lesson 7.1 on ratios, rates, tables, and graphs from the sixth-grade Go Math textbook. It begins with an introduction to the concepts of ratios and rates, followed by an exploration of finding ratios using tables through a science experiment example. The lesson then moves on to graphing these ratios and understanding the relationship between coordinates. The video also includes examples to understand rates and how to graph them. Finally, it concludes with guided practice and real-world applications of these concepts.

If you have 4 milliliters of ammonia, how much distilled water is needed?

• 100 milliliters

• 150 milliliters

• 200 milliliters

• 250 milliliters

What is the simplified ratio of 100 milliliters of distilled water to 2 milliliters of ammonia?

• 200 to 4

• 50 to 1

• 25 to 1

• 100 to 2

How do you describe the graph of distilled water to ammonia ratios?

• A straight line

• A curved line

• A zigzag line

• A dotted line

What is the y-coordinate for 2.5 milliliters of ammonia on the graph?

• 100

• 125

• 150

• 175

How long does it take for the train to travel 90 miles?

• 2.5 hours

• 1 hour

• 2 hours

• 1.5 hours

What is the unit rate of the train's speed in miles per hour?

• 45 mph

• 75 mph

• 60 mph

• 30 mph

If a shower uses 12 gallons of water in 3 minutes, what is the rate of water usage per minute?

• 4 gallons

• 3 gallons

• 2 gallons

• 5 gallons

How many boxes are needed for 84 candles if each box holds 12 candles?

• 8 boxes

• 7 boxes

• 6 boxes

• 5 boxes

What is the ratio of oxygen atoms to sulfur atoms in sulfur dioxide?

• 1 to 1

• 1 to 2

• 2 to 1

• 2 to 2

How do you visually represent real-world problems involving ratios?

• Using a pie chart

• Creating a table and graph

• Drawing a diagram

• Writing an equation