Vocabulary
Which number is considered the numerator and which is the denominator?
N/D
Turn this fraction into a decimal: 0.8
8/10 or 4/5
Pi = 3.14159265....
Give a rational approximation for R0 of Pi
3/1
What is the square root of 1, 4, 9 and 16
Why is Pi an imperfect square?
Because it goes on forever and never repeats
___________: a number that is not a fraction; a whole number that is either positive or negative.
Integer
Turn this fraction into a decimal: 5/9
.55555555.......
Pi = 3.14159265....
Give a rational approximation for R1 for pi
31/10
Which of the following are perfect squares?: Square root of 1, Square root of 2, Square root of 4, Square root of 6 and square root of 8, Square root of 9
Square root of 1, Square root of 4, Square root of 9
What does it mean to square a number? Ex: Four squared is ......
To multiply that number by itself. Ex: 4 squared is 4 times 4.
_________________: Any number that can be written as a fraction, where both the numerator and the denominator are integers
Rational Number
Turn this decimal into a fraction: 1.75
1 3/4 or 1 75/100
Pi = 3.14159265....
Give a rational approximation for R2 for pi
314/100
Which of the following are imperfect squares: Square root of 6, Square root of 8, Square root of 9, Square root of 24, Square root of 25
Square root of 6, 8 and 24
What does it mean to find the square root of a number.
The square root of a number is the number that, when you multiply the number by itself, equals the number in the square symbol.
_________________: A number which cannot be written as a fraction of two integers.
Irrational Number
Turn this fraction into a decimal: 1.4444444444......
1 4/9
Pi = 3.14159265....
Give a rational approximation for R3 for pi
3,141/1,000
Give an rational estimate for the square root of 7.
You will have two minutes...
2.65
There is an infinite amount of rational numbers. True or False?
True
Which of the following are rational numbers: , Square root of 4, .333333......, Square root of 2, Square root of 49.
Square root of 4, .33333...., Square root of 49
Turn this decimal into a fraction: .28282828282828
28/99
The square root of 113 is 10.6301458127
Give a rational approximation for R0, R1, R2 and R3 of the square root of 113
R0 = 10/1, R1 = 106/10, R2 = 1,063/100, R3 = 10,630/1,000
Give a rational estimation for the following irrational number: Square root of 24
You have two minutes...
4.85
What is Pi used for?
To find the area or circumference of a circle