Rational Numbers as Decimals
Write 0.6 repeating as a fraction.
6/9
is pi rational or irrational?
irrational
Approximate the square root of 18 to the nearest tenth.
4.1, 4.2, or 4.5?
4.2
Would you classify 169 as a perfect square?
Yes (13 x 13)
A decimal that goes on forever __________
A decimal that terminates ____________
repeating decimal
Write 0.32 repeating as a fraction.
32/99
is the square root a 25 rational or irrational
rational (5x5) it is a perfect square
Compare 5.7145... and the square root of 29
< 5.7145...
A cube has the volume of 125 ft, what is the length of each side?
5 ft
A number that cannot be be represented using a fraction (ex. pi, square root of a number that is not a perfect square, a decimal that repeats with no pattern)
Irrational number
Write 2.5 repeating as a mixed number.
2 5/9
is 3.275 rational or irrational
rational
Compare the square root of 21 and 5.2
< 5.2
The area of a garage 121 square feet. Will it fit a car that is 13 feet long?
A number that is the square of an integer such as
2 x 2
4 x 4
These are called ________ squares
A number that is the cube of an integer such as
2 x 2 x 2
4 x 4 x 2
These are called ________ cubes
perfect
What fraction is equivalent to 0.3 repeating
1/3 or 2/3
1/3
is 0.756508305843... rational or irrational
irrational
Compare the square root of 7 and 3.444444...
<3.444444
solve x2=60
x =
_________ numbers
Includes all integers, whole numbers and natural numbers.
Rational numbers
Write 1.8 repeating as a mixed number
1 8/9
is the square root of 37 rational or irrational?
irrational - it is not a perfect square
Order these numbers: square root of 5, 3.7, 1/2, -4, -9/4
-4, -9/4, 1/2, square root of 5, 3.7
solve x3=28 and x2=49
x=
x = 7, -7
A famous irrational number that never ends
pi