1.1: Rational Numbers as Decimals
1.2: Understanding Irrational Numbers
1.3: Compare and Order Real Numbers
Vocab: 1.1 - 1.3
Mr. C Trivia
100
What is 0.55555... as a fraction?
5/9
100
One and Done: Is π rational or irrational?
Irrational
100
How do you know if a root is prefect or not?
The root can be expressed as an integer.
100
What is a type of number that can be measured exactly?
a Rational Number
100
What is Mr. C's favorite color to us on the smartboard?
(The most dominate color I use to write everything in)
White
(I like chalkboards)
200
What is 0.63333... as a fraction?
19/30
200
What Square root does this represent?
sqrt(100)
200
How does rounding work?
5 & up, round up
4 & below, stay the same
200
What describes a number that has decimal terms that reoccur infinitely.
A Repeating Decimal
200
What is Mr. C's exact degree?
Engineering Education
300
What is 2.090909... as a fraction?
2 1/11 or 21/11
300
Classify each of the following:
-81572, sqrt(11) , 5.636336333..., sqrt(16)
Rational:
-81572, sqrt(16)
Irrational:
sqrt(11), 5.636336333...
300
Between which two integers is the √12 between?
3 and 4
300
What is a number that can't be measured exactly?
An Irrational Number
300
What does Mr. C call the mints he hands out?
Advance-mints
400
Why does the calculator round decimals like 0.33333.... to 0.333334?
It is showing that the number is question goes on forever, but it doesn't have enough computing power to show this.
400
Jen classifies the number 4.567 as irrational because it does not repeat. Is Jen correct? Explain briefly.
She is incorrect because 4.567 can be written as a fraction.
400
One and Done: The square root of 15 is closest to which perfect root?
The square root of 16
or
4
400
What is the only real mathematical opperation?
(all other operations derive from this operation)
Addition
400
Guess: What was Mr. C's worst subject in grade school (1st - 5th grades)?
(Hint: It is something you have likely seen me do when on the board or in the notes)
Spelling
{I'm still working on it! :)}
500
What is the repeating decimal 4.1363636... as a fraction?
4 3/22 or 91/22
500
What is the difference between a rational and an irrational number?
A rational number can be turned into a fraction.
500
A museum director wants to hang a √90 ft. tall painting on a wall. How tall, to the nearest foot, does the wall need to be?
10 ft.
500
What is a number that can be divided evenly twice into a single integer?
A Perfect Square
500
What letter begins both the first and last name of this week's Wisdom of the Week?
L