Vocabulary
a real number that CANNOT be written as a simple fraction
irrational numbers
Determine if the number is rational or irrational.
-3.048476
rational
The square root of 25.
What is 5?
The area of a square is 64 ft squared. What is the side length?
8 ft
What is the tax amount on $12.56 at a sales tax rate of 9% ?
$1.13
a real number that can be written as a fraction
Rational
Determine if the number is rational or irrational.
8.124578....
Irrational/non-repeating or terminating decimal
The square root of 49.
What is 7?
The area of a square is 36 inches squared. What is the side length?
6 in
The price of milk increased from $3.22 to $4.00. What is the percent mark-up to the nearest tenths place?
24.2% mark-up
A positive or negative whole number, including zero
integer
Determine if the number is rational or irrational.
0.5
Rational/terminating decimal
The square root of 64.
What is 8?
The area of a square garden is 81 feet squared. How much fencing do I need to buy to build a perimeter around the garden?
36 ft
The total owed for a $52.89 dinner with a 15% tip is……..
$60.82
I am all of the numbers that we will talk about this year
real numbers
Determine if the number is rational or irrational.
Square root of 11
Irrational/not a perfect square
The square root of 111 rounded to the nearest hundredth.
What is 10.54?
Larry and Ken competed in a pizza eating contest. Larry ate 2/3 of his pizzas and Ken ate 3/5 of his pizza.
Who ate the most/won?
Who is Larry?
2/3 (0.67) > 3/5 (0.6)
Charlie’s dog weighs 64 pounds. His weight decreased by 5%. How much does he weigh now? Do not round.
60.8 pounds
The set of numbers that do NOT include zero
Natural numbers
Determine if the number is rational or irrational.
3.14159...
Irrational/nonterminating decimal
The square root of 23 rounded to the nearest hundredth.
What is 4.80?
Which is correct:
A: -4/9 < -13/17
B: 9/4 < 17/13
C: -7/8 > -8/9
C is correct
A: -0.44 is not less than -7.76
B: 2.25 is not less than 1.31
C: -0.88 IS greater than -0.89
Sam went shopping and bought 3 tables at $ 42.00 each. The discount is 25% off. What is the sales price?
$94.50