so you think you know numbers, huh?
In which set of numbers does 2/3 belong?
Rational
Natural numbers plus the zero are called _______.
BONUS QUESTION! WORTH 200 POINTS
What does it mean for a number to terminate?
It ends.
The digits of the decimal do not go on forever.
Is 1.241241241241241241... rational?
Yes
Perfect squares are numbers whose square root is a _______ number.
For example, 32 = 9.
natural
Is 1500% a rational number?
No!
Integers are whole numbers and their _________.
Opposites
What is the opposite of -227.11?
227.11
In which set of numbers does -356/2 belong?
T/F: A rational number is any number that can be expressed in the form a/b where b cannot equal zero.
True
BONUS QUESTION WORTH 600 POINTS
Is pi/pi rational?
Why or why not?
No because it equals one which is a natural number.
In which set does the number 55 belong?
Natural numbers.
BONUS QUESTION WORTH 800 POINTS
Do irrational numbers terminate?
No. They are an approximation and cannot be written as a ratio or fraction.
Which set only adds one number?
Whole Numbers adds zero
Is 1250% a rational number?
yes!
Natural numbers are also known as the ______ numbers.
Another word for "ratio" is ________?
Fraction
T/F: Natural numbers are the set of all positive integers.
True
In which set does -14/2 belong?
Integers
Because - 14 divided by 2 = -7
BONUS QUESTION WORTH 1000 POINTS
We have seen pi written as the fraction 22/7 before, but there's a squiggly equal sign in front of it. What does that symbol mean?
Non perfect squares are numbers whose square root are not whole numbers. Which set of numbers do they belong?
Irrational
In which set does 987/430 belong?
Irrational