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Real Number Subsets
Addition of Rational Numbers
Estimating Square roots
Estimating Cubed Roots
Solving Equations
100
The set containing the numbers 1,2,3,4,5,...
What is natural or counting numbers
100
5+8
What is 13.
100
sqrt(7)
What is 2.6 < sqrt(7) < 2.7
100
3rt(8)
What is 2
100
x + 8 = 13
What is x=5
200
The set containing ...,-3,-2,-1,0,1,2,3,...
What is the integers
200
(-7)+39
What is 32.
200
sqrt (9)
What is 3
200
3rt(125)
What is 5
200
x+15=12
What is x=-3
300
The whole numbers contain this number that is not included in the natural numbers.
What is zero.
300
68+(-94)
What is -26.
300
sqrt(21)
What is 4.5 < sqrt(21) < 4.6
300
3rt(10)
What is 2.1 < 3rt(10) < 2.2
300
x-64= -12
What is x=52
400
True or False. All rational numbers are real numbers but not all real numbers are rational numbers.
What is True.
400
(1/5)+(2/3)
What is (13/15).
400
sqrt(119)
What is 10.9
400
3rt(32)
What is 3.1 < 3rt(32) < 3.2
400
There are 15 members of a high school band brass section. After graduation there are only 7 members. How many members graduated?
What is 15-x=7; x=8
500
What are irrational numbers?
What is numbers who's decimals neither terminate or repeat. They cannot be written as fractions.
500
(-5/8)+(-3/2)
What is (-17/8)
500
sqrt(225)
What is 15.
500
3rt(60)
What is 3.9 < 3rt(60) < 4
500
The selling price of a certain video is $7 more than the price the store paid. If the selling price is $24, find the price the store paid.
What is x+7=24; x=17