Order of Operations
Jordan was asked to simplify the expression below.
18+6×(4+2)
Which operation should be completed first?
addition (4+2)
e / 12
look at numbers and state the pattern. then write a rule using variable y
19 ---> 1
38 ---> 2
57 ---> 3
__ ---> 4
y / 19
y = 76
k × 45 = 300 − 75
k = 5
Write an expression to represent 7 less than a number, g
g-7
7+3×4−5 =
14
AJ bought Cards and put them into 6 equal groups. if c represents the total number of cards he bought, what expression represents the number of cards in each group?
c / 6
The cost of n tickets to a play is 4n + 12 dollars. What is the cost of 11 tickets to a play?
$56
m × 80 = 720 − 240
m = 6
Why will the solutions f + 120 = 350 and f - 120 = 350 have different solutions for f?
for one equation you are adding, and the other you are subtracting. F more than 120 vs f less than 120
[ (8 + 4) × 2 ] ÷ 6 =
4
A group of students raised $3,360 for a fundraiser. Each student raised $120. How many students were in each group?
3, 240 / 120 = s or 120s = 3,240
There are 72 books on a classroom shelf. Let b represent the number of fiction books, and 72−b represent the number of non-fiction books. What is the value of the expression if there are 35 fiction books?
37 non-fiction books
7p−3=2
p = 4
What is another way to write 6 x 78?
a. (6x70) + (6x8)
b. (6+70) x (6+8)
c. (6+70) + (6+8)
d. (6x70) - (6x8)
a. (6x70) + (6x8)
24 ÷ (6 − 2) + 7 × 3 =
27
Donnie visited 14 parks and Sam visited 5. John visited 3 times as many parks as Donnie and Sam combined. How many parks, p has John visited? Write an equation.
p=3×(14+5)
p= 57 parks
Runners are traveling in Vans to a Cross Country meet. Each van carries 9 runners. For r runners, r / 9 is the umber of vans. There are 171 runners in all. How many vans will there be?
19 vans
8+2m=22
m = 7
What's is the rule for this pattern using the variable f ? can you find the missing number?
2 ---> 24
3 ---> 36
5 ---> 60
9 ---> ____
rule: f x 12
missing numebr:108
(6+4) × 3 − 8 ÷ 2 + 5 =
31
A bookstore has 12 more than 7 times the number of new books b it ordered. Which expression shows the total number of books
7b + 12
A pet store received 87 animals. There were 8 times as many kittens as puppies, and there were 6 rabbits. How many of each animal were there?
Puppies = 9, Kittens = 72, Rabbits = 6
5x + 8 + 3x − 4 = 36
x = 4
Mr. Lee bought 85 toys for his classroom. There were 5 times as many cars as dolls, and there were 7 trucks. How many of each toy were there?
Dolls = 13, Cars = 65, Trucks = 7