Converting Decimals and Fractions
Convert 1/2 into a decimal
0.5
Is 49 a perfect square
Yes it’s 7
What’s the approximate value of the squared root of -21 (round to the nearest hundredth)
4.58
What category(s) dose PI belong in
Irrational and Real
Order:
3^2, 9/2, 1.5, 5.43, PI^2
(least to greatest)
1.5, 3^2, 9/2, 5.43, PI^2
What is 1/5 divided by 2/5 in decimal form
0.5
Whats the square root of √-9
Negatives have to be on the outside of a square root meaning there is no answer
If the value of the perfect square √81 is 9… What is the value of the NON-PERFECT square √89
(round to the nearest hundredth)
9.43
What category does every number fit into
Real numbers
Could -3 come before -(-2) when ordering least to greatest
Yes 2 negatives make 1 positive
Can every decimal be turned into a fraction
Yes every decimal can be turned into a fraction
What is a square root
A number times itself
Example: 4 X 4 NOT 4 X 2
What value is is approximately larger
√55 OR √57
The square root of 57
Where does -10 belong: Natural, Whole, Integer, Rational, Irrational or Real
Integer, Rational, Real
Order:
9 99/8, 1/3, 5^9, 1/16, 526/999
(greatest to least)
5^9, 9 99/8, 526/999, 1/3, 1/16
Convert .3 (repeating) into a fraction
1/3
What is a cubed root
A number times itself 3 times
Example: 4 X 4 X 4 NOT 4 X 3
What’s the approximate value of √85 to the nearest hundredth
9.22
If you split PI in half is it still irrational
Yes
Cubed rooting
Convert .25 into a fraction
1/4
What’s the cubed root of 729
9
Order these approximate values:
√68, √3, √125, √8, √32
(least to greatest rounded to the nearest hundredth)
√3, √8, √32, √68, √125
Name a Real number
Any number answer will do
Which comes first the square root of 4 or the cubed root of 3
(least to greatest)
The cubed root of 3