Show:
Types of Numbers Definitions
Fractions and Decimals
Squares, Square Roots, Cubes, and Cube Roots.
Think About Real Numbers
Comparing and Ordering
100
What is a real number?
A real number is any number with a numeric value. Does not include variables.
100
Write 2/5 as a decimal.
0.4
100
x squared equals 64. What is x?
x=8
100
Which set(s) of numbers does the following belong in: 0.75
rational and real
100
Compare using greater than, less than, or equal: √3 + 2____√3 + 3
<
200
What is a rational number?
Any number that can be written as a ration (a/b) where both numbers are integers and b is NOT 0.
200
Write 5/6 as a decimal.
0.83 (the 3 is repeating)
200
x squared equals 17. What is x? round to the nearest tenth.
4.1
200
True or False: All whole numbers are rational.
True
200
Compare using greater than, less than, or equal: √17 - 3____-2 +√5
>
300
What is an irrational number?
A number that cannot be written as a ratio.
300
Write the following as a fraction in simplest form.
0.675
300
x cubed equals 8/125. What is x?
x = 2/5
300
True or False: No irrational numbers are whole numbers.
True
300
Compare using greater than, less than, or equal: √7 + 2____√10-1
>
400
Rational numbers contain 3 other sets of numbers within it. What are 2 of those 3 sets?
Natural Numbers, Whole Numbers, and Integers.
400
Write the following as a decimal in simplest form.
0.26 (2 and 6 are repeating)
400
Approximate the square root of 5.
2.2
400
Identify the set of numbers that best describes the following: The change in value of an account when given to the nearest dollar.
Integer
400
Order the following from least to greatest: √3, 2π, 1.5
1.5, √3, 2π
500
What is the difference between the whole and natural number sets?
The whole number set includes 0.
500
Write the following as a fraction in simplest form.
0.325 repeating
500
Approximate the square root of 10.
3.2
500
Identify the set of numbers that best describes the following: The markings on a standard ruler.
Rational numbers
500
Order the following from greatest to least: √17−2, 1+
1+