HS.N-Q.1
Use units as a way to understand problems and to guide the solution of multi-step problems (e.g., unit analysis). Choose and interpret units consistently in formulas. Choose and interpret the scale and the origin in graphs and data displays.
Example Problems
The formula for average speed when traveling a distance of d over a time t is:
Bella says, 'I can run 8 miles per hour!' Winston says, 'I can run 700 feet per minute!'
Which one is faster?
Bella says, 'I can run 8 miles per hour!' Winston says, 'I can run 700 feet per minute!'
Which one is faster?
The formula for average speed when traveling a distance of d over a time t is:
Helen says, 'I can walk 4 kilometers per hour!' Stefan says, 'I can walk 70 meters per minute!'
Who is faster?
Helen says, 'I can walk 4 kilometers per hour!' Stefan says, 'I can walk 70 meters per minute!'
Who is faster?
The formula for average speed when traveling a distance of d over a time t is:
Daisy and Eddie are arguing about which one of them is faster.
Daisy says, 'I can bike 9 miles per hour!' and Eddie says, 'I can bike 800 feet per minute!'
Which one is faster?
Daisy and Eddie are arguing about which one of them is faster.
Daisy says, 'I can bike 9 miles per hour!' and Eddie says, 'I can bike 800 feet per minute!'
Which one is faster?
Khan Academy ResourcesUsing units to solve problemsFormulas and unitsGraph labels and scalesUsing units to solve problems: Drug dosageIntro to dimensional analysisSame rate with different unitsUsing units to solve problems: Road tripUsing units to solve problems: Toy factoryFormulas and units: Comparing ratesFormulas and units: Volume of a pool
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