Ratios & Proportions
Solve Proportional Relationships
Vocab
fraction action
7th grade language
100
What is a rate that is simplified so that it has a denominator of 1 unit?
Unit Rate
100
What is an equation stating that two ratios or rates are equivalent?
proportion
100
A__________________ is a ratio that compares two quantities with different kinds of units?
rate
100
What is 2/3 * 1/4
1/6
100
What is rate per 1 called?
unit rate
200
What is the unit rate of $300 for 6 hours?
$50
200
find n 7/3=n/21
49
200
A _____________ fraction has a fraction in the numerator, denominator, or both.
complex
200
What is -3/4+ (-3/4)
-6/4 or -1 and 1/2
200
What is rate of change between any two points on a line?
slope
300
Convert 1 hour to seconds
3,600 seconds
300
find x in x/4=9/10
3.6
300
(0,0) represents the_____________.
origin
300
What is 7/9 - 1/3?
4/9
300
What is the formula for slope?
change in y/ change in x
400
What is the process of including units of measure as factors when you compute?
dimensional analysis
400
What method can be used to find equivalent proportions?
cross products
400
One of the four regions into which a coordinate plane is separated is called __________________.
quadrant
400
What is -7/12+7/10?
7/60
400
What is this type of relationship that forms a straight line?
linear
500
Convert 45 mi/hour to ft/seconds
66 ft/sec
500
Lesley paid $1.12 for a dozen eggs at Big Y. Determine the cost of 3 eggs.
$.28
500
A pair of numbers used to locate a point in coordinate plane is an ____________________.
ordered pair
500
What is one half of negative five eighths?
1/2 *(-5/8)= -5/16
500
What is the "ferris wheel?" ... think this on through
changing from mixed number to improper fraction
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