Number Line
What number is at the centre of a number line?
0
Is 1.5 rational or irrational?
Rational, the decimal ends.
True or false: The number line includes both positive and negative integars?
True
True or False: Pi is a rational number
No, Pi is irrational.
Why? Decimal never ends + decimal never repeats
What is another name for Natural Numbers?
Counting numbers
Is 0.333 a rational or irrational number?
0.333... (3 repeating) is also rational.
Why? Because it can be written as the ratio 1/3.
Is every integer a rational number?
Yes, because every integer can be represented as a ratio (e.g., 5 = 25/5).
Why is the square root of 2 irrational?
The number cannot be written as a ration; the decimal never ends and it is not a repeating pattern.