Definitions
______ is a number that can be expressed as a fraction.
What is a "rational number"?
The decimal representation of 2/5 is ______.
0.4.
Is 4/9 a rational or irrational number? Explain.
It is a fraction and decimal equivalent is 0.4444 which is a repeating decimal.
To compare and order rational numbers you can put them into this.
What are decimals.
What are the three types of numbers that are integers.
Whole numbers, their opposites, and zero.
Is the square root of 16 rational or irrational? Why?
Is 31.7878 a rational or irrational number? Explain.
Rational as it is a repeating decimal.
Order from greatest to least.
1/4, -2.5, √5, and 0.5
√5, 0.5, 1/4, −2.5
What is an irrational number?
A number that cannot be expressed as a fraction of two integers and has a non-repeating, non-terminating decimal.
Which of the following is an irrational number: 0.121212121212/0.58257569/0.456745674567
What is 0.58257569.
Is 44.534593 a rational or irrational number? Explain.
Irrational as it does not terminate nor does it repeat.
The √5, 2.5 and √3 from least to greatest.
What is √3, √5, 2.5.
What is the difference between a terminating decimal and a repeating decimal?
A terminating decimal has a finite number of digits after the decimal point, while a repeating decimal has a digit or group of digits that repeats indefinitely.
9/8 is a __________ decimal.
What is terminating decimal, 1.125.
Is the square root of 49 a rational and an integer?
Yes as the square root of 49 is 7.
Arrange from least to greatest
−0.8, √4, √12, 0.06
−0.8, 0.06, √4, √12
√144 falls into what set(s) of numbers?
What is whole numbers, integers, rational numbers
Which of the following is an irrational number: √49 √144 √62?
What is √62.
All of the following are examples of rational numbers except:
0, 1, √10, -4, 1/3, and 2.5
What is √10.
Order the following numbers from greatest to least:
3.4, -3, 3/4, √9, 7, 4/5
7, 3.9, 3, 4/5, 3/4, -0.3