What is a decimal called that has a final digit?
Terminating Decimal
What is the square root of 25?
5
A rational number
Which is greater: 2.2 or 2.2 repeating?
2.2 repeating
True or false: All rational numbers are whole numbers.
False
Write 5/8 as a decimal.
0.625
What is the square root of 64?
8
A number that cannot be written in the form of a fraction is called...
an irrational number
Which is greater: pi or square root of 12?
Square root of 12
What is -2/9 in decimal form?
-0.2 repeating
x2= 81. Solve for x
9
What are two ways to tell if a number is irrational?
A decimal that is non-terminating and non-repeating
Put these in order from least to greatest: 10/3, square root of 13, and pi
pi, 10/3 and square root of 13
True or false: Only certain decimals can be fractions.
True
What is 4 4/5 as a decimal?
4.8
What is the cube root of 27?
3
Is the square root of 25 rational or irrational?
Rational
Are 1/9 and 0.1 the same number? Why or why not?
Not, because 1/9 is 0.1 repeating and 0.1 repeats the 0's after the 1 digit.
True or false: 0.345 is a terminating decimal
True
Yes because it is 0.6 repeating.
What is the cube root of -1000
-10
Is the square root of 10 rational or irrational?
Irrational
Which is greater: 2 1/5 and square root of 7?
Square root of 7
True or False: a reasonable estimate for the square root of 20 is 9.4
False... the perfect squares are between 4 and 5. So a good estimate would be 4.5