Squares/Square Roots
What is the value of 8 squared?
82 = 8 x 8 = 64
True or False?
All rational numbers can be written as a fraction which include terminating and repeating decimals.
True
Is the following number an irrational number?
.345345345345.....
No, because it repeats, it can be written as a fraction 345/999
Between what two whole numbers is the square root of 26?
Between 5 and 6 (Closer to 5)
What is the value of 3 cubed?
33 = 3 x 3 x 3 = 27
What are the perfect squares from 1 to 100?
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
Select all the rational numbers?
a) 0.75
b) square root of 625
c) cube root of 48
a) 0.75
b) square root of 625
Which of the following numbers is an irrational number?
a) 3.14
b) 3.1415926...
c) .34343434...
b) 3.1415926...
Between what two whole numbers is the square root of 19?
Between 4 and 5 (Closer to 4)
What are the perfect cubes from 1 to 125
1, 8, 27, 64, 125
What is the square root of 4 plus the square root of 16?
2 + 4 = 6
Choose all the integers shown below.
a) 10/5
b) -8.2
c) Square root of 16
a) 10/5 = 2
c) Square root of 16 = 4
Are all non-perfect squares and non-perfect cubes rational or irrational?
Irrational
Examples: Square root of 12
Cube root of 56
True or False?
The square root of 145 is between the whole numbers 11 and 12?
False. The square root of 145 is between the whole numbers 12 and 13, closer to 12.
What is the cube root of 512 times the cube root of 343?
(8)(7) = 56
What is the square root of 5 squared?
5
Select only the whole numbers from the following:
0 44/11 6.8 17/3 82 cube root of -1
0, 44/11 = 4 , 82 = 64,
True or false?
An irrational number is a number that terminates (ends) and repeats.
False
An irrational number is a number that does not terminate and does not repeat.
(It is a non-terminating and non-repeating decimal)
Identify the non-perfect squares and the perfect squares listed below:
94 81 160 184 343 1600
94 no 81 yes
160 no 343 yes
184 no 1600 yes
What is the cube root of -27?
-3
What is the length of the side of a square whose
area is 144 ft2?
12ft
Identify each of the following as
Real Rational Irrational Integer Whole Counting
a) square root of 36
b) cube root of -64
c) square root of 90
a) square root of 36 Real, Rational, Integer, Whole, Counting
b) cube root of -64 Real, Rational, Integer,
c) square root of 90 Real, Irrational
Order the following from least to greatest.
-4.5 , square root of 4, cube root of -8, -6.126...
-4.5
2.0
-2.0
-6.126...
-6.126... ,-4.5 , cube root of -8 , square root of 4
Where would you find the negative square root of 576 on the number line?
At -24
What is 6 cubed plus the cube root of 729?
63 + 9
216 + 9 =225