Standards of Learning (SOL)

 
 Essential Knowledge and Skills
 
  • Given a data set or practical situation, determine whether a direct variation exists.
  • Given a data set or practical situation, determine whether an inverse variation exists.
  • Given a data set or practical situation, write an equation for a direct variation.
  • Given a data set or practical situation, write an equation for an inverse variation
  • Given a data set or practical situation, graph an equation representing a direct variation. 

Assessments

Resources

 
Vocabulary
Variation, direct variation, inverse variation, constant, directly proportional, origin, constant of proportionality, ratio, dependent variable, independent variable, constant of variation
 
 
 
 

Vertical Articulation

Post Standard of Learning

AII.10          The student will represent and solve problems, including practical problems, involving inverse variation, joint variation, and a combination of direct and inverse variations.

The student will investigate the passage of time and

a) tell time to the hour and half-hour, using analog and digital clocks; and

b) read and interpret a calendar.

The student will investigate the passage of time and

a) tell time to the hour and half-hour, using analog and digital clocks; and

b) read and interpret a calendar.

The student will investigate the passage of time and

a) tell time to the hour and half-hour, using analog and digital clocks; and

b) read and interpret a calendar.

Essential Questions

  • How can you determine whether a direct variation exists in a data set or practical situation?
  • How can you determine whether an inverse variation exists in a data set or practical situation?
  • What is the difference between direct and inverse variation?
  • How do you write an equation for a direct variation situation?
  • How do you write an equation for an inverse variation situation?
  • How do you graph an equation representing a direct variation?