Exponents and Order of Operations
What is the value of this exponent?
33
27
What does GCF stand for? What about LCM?
Greatest common factor= the largest number that two numbers have in common (you can divide it into original numbers)
Least common multiple= the smallest number that is a multiple of both numbers (can be divided by both original numbers)
Solve the equation in my notebook.
1/4
1 1/2
If Bob has 6 starbursts and 7 skittles, what is his ratio of starbursts to skittles?
6:7, 6/7, or 6 to 7
What is the percent formula?
percent x whole = part
What exponent tells me a number is cubed? What about squared?
Cubed= to the power of 3
Squared= to the power of 2
Which numbers can always have a factor of 2, even or odd?
Even! Even numbers can be cut in half. So every even number could be divided by 2, or have a factor of 2. (They end in 0, 2, 4, 6, and 8.)
What does taking the reciprocal of a fraction mean?
Flipping it around! Denominator becomes numerator and numerator becomes denominator.
Eftixia worked for 30 minutes and earned $90. How many dollars per minute did she earn?
90/30 = 3 dollars per minute
The students in Damon's grade voted to select a guest speaker. 90% of the students voted for a famous athlete. If there are 60 students in Damon's grade, how many students voted for the athlete?
54 students
What is the value of the expression on the marked page in my notebook?
18
What is the LCM of 24 and 30? Show your work.
6 x 4 x 5 = 120
Give me an example of a mixed number.
3 2/3, 5 2/8, etc. (whole number followed by a fraction)
What value would fill in the missing proportion in my notebook?
x = 20
How do you write 2/4 as a percentage?
50%
What does PEMDAS stand for? When do we use PEMDAS?
Parenthesis, exponents, multiplication, division, addition, then subtraction. When given an equation, you solve in order starting with P. In MD and AS, solve from left to right.
What is the GCF of 16 and 12?
2 x 2 x 4 x 3 = 48
Change this mixed number to an improper fraction:
5 2/3
17/3
If John bikes 10 miles in 30 mins and Sarah bikes 10 miles in 25 mins, who is faster?
Sarah is faster at 24 mph vs John's 20 mph
How do you write 60% as a fraction?
3/5
An number with an exponent of 0 always equals to...?
50
1
Which is NOT a factor of 20?
Answer options: 5, 4, 3, or 2?
3
Change this improper fraction into a mixed number:
7/3
2 1/3
A group of students organized a car wash to raise money for a local charity. In 3 hours, they washed 12 cars. At that rate, how many cars were washed in 8 hours?
32 cars
Last night, the two dinner specials at Gabriel's favorite restaurant were salmon filet and steak. The restaurant served 85 specials in all, 40% of which were salmon filets. How many salmon filets did the restaurant serve?
34 salmon filets