Classifying numbers
Solving Proportions
100
Are integers real numbers?
Yes integers are real numbers. Examples of integers are -1 and -678.
100
Name 1 way to solve a proportion.
Cross multiplying is one way. Another way is just solving the resulting equation.
200
What is the definition of natural numbers?
Natural numbers are the set of counting numbers. Examples of natural numbers are 1, 2 and 3.
200
What is a Proportion?
A statement that two ratios are equivalent. An example is 3/4 = 9/12
300
What is the shortcut sign for rational numbers?
ℚ. Anything that can be converted to a fraction is a ℚ (Rational number).
300
Jenny was planning a trip to the United Arab Emirates. Before going, she did some research and learned that the exchange rate is 4 Dirhams for every $1. How many Dirhams would she get if she exchanged $5?
20 dirhams.
400
Classify -557
-557 is a Rational number, integer and a terminating decimal.
400
A frame is 6 in tall and 8 in wide. If it is reduced to a width of 4 in then how tall will it be?
The frame will be 3 inches tall after the width is reduced.
500
What is an Irrational number? What do they include?
Irrational numbers are numbers that cannot be expressed in the form of a/b (fraction). They include square roots of whole numbers that are not perfect squares and nonterminating decimals that do not repeat. An example would be: √2, √11 and Pi (π).
500
A car traveled 130 miles at a constant speed moving for two hours along a highway. What is the distance traveled by the car if it was moving for 4.5 hours at the same speed?
The distance traveled by the car is equal to 292.5 miles if it was moving for 4.5 hours with the same speed.
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