Rational/Irrational
Is 4/9 rational or irrational? Explain.
Rational, it is a fraction.
What is 0.333... as a fraction?
1/3
Approximate the √10 to the nearest integer.
3
What 2 whole numbers does the square root of 40 lie between?
6 and 7
These numbers can be written as fractions.
Rational Numbers
Is 31.7878... rational or irrational? Explain.
Rational, it is a repeating decimal
Write 2/9 as a decimal.
.2 repeating
Approximate the √18 to the nearest integer.
4
What 2 whole numbers does the square room of 130 lie between?
11 and 12
These rational numbers are referred to as 'the main numbers on a number line'.
Integers
Do irrational numbers terminate? Explain.
No, terminating decimals are rational.
What is 0.18181818... as a simplified fraction?
2/11
Approximate the -√34 to the nearest integer.
-6
What 2 whole numbers does the square room of 92 lie between?
9 and 10
These rational numbers are all positive natural numbers including zero.
Whole Numbers
What kind of square root numbers are irrational? Give an example.
Non-perfect squares. example sq. root of 8.
Write 5/33 as a decimal.
.15 repeating
Approximate the cube root of 70 to the nearest integer.
4
What 2 whole numbers does the cube root of 215 lie between?
5 and 6
Name at least 3 kinds of rational numbers.
Fractions, Decimals- terminating, Decimals -repeating, perfect squares, integers.
What is the most famous irrational number?
pi , it does not terminate and does not repeat..
What is 0.31444444... written as a simplified fraction?
283/900
Approximate the cube root of -132 to the nearest integer.
-5
What 2 whole numbers does the cube root of 645 lie between?
8 and 9
Another name for all rational numbers?
All Real Numbers