Order of Operations
What is the first in evaluating the expression:
72 / (15 - 6) + 3 x 22
Perform operations inside the parenthesis
(subtract 15-6)
It costs $4 to enter the amusement park and it costs $3 per ride. Write an expression and using variable, r, as the number of rides
4 + 3r
or
3r + 4
2n+4x-8
How many terms are in this expression? Name all the terms.
3 terms
2n,4x,8
Evaluate the expression: 3a-2 when a=7
19
What is Ms. Bellas's favorite season?
Fall
Evaluate the expression:
33 + 12 x 2
51
It costs $8 to get on the bus and $0.50 per bus stop afterwards. Write an expression using the variable, b, as the number of bus stops.
0.50b + 8
or
8 + 0.50b
What is the difference between a numerical expression and an algebraic expression?
A numerical expression has only numbers and an algebraic expression has at least one variable
Evaluate the expression: p/4 + 3 when p=24
9
What was so special about Ms. Bellas's weekend last week?
It was Ellie's first birthday!
Evaluate the expression:
15 + 32 - 6 + (5 - 2)2
90
It costs $10 to get a taxi and $2 per block. Write an expression using the variable, b, to find the cost of your ride if you ride 7 blocks. Solve the expression.
10 + 2b
It costs $24 to ride 7 blocks
the terms with the same variables raised to the same exponents are called...
like terms
Evaluate the expression: 7(n+4) when n=8
84
What did Ms. Bellas say was her mood word this morning?
content
Evaluate the expression:
7 + 15 / 3 x 2 - 12
5
It costs $15 for to activate your phone and $40 per month to keep it on. Write an expression using variable, x, to find the cost of the phone for 8 months. Solve the expression.
15 + 40x
It will cost $335 for 8 months
the number that is multiplied by the variable in an algebraic expression is called a...
coefficient
Are these two expressions equivalent?
7(x + 4) and 7x + 4
no, they are not equivalent
How many guesses did it take Ms. Bellas to complete the wordle this morning?
TRICK QUESTION: I haven't finished it yet
Evaluate the expression:
(7 - 6) + 9 - 2 x 5
0
It costs $50 to enter the park and it costs $2 per hour to stay there. Write an expression using the variable, x, to find the cost of the park for 6 hours. Solve the expression.
50 + 2x
It costs $62 for 6 hours
Name all the coefficients: 2x+3y+x
2, 3, 1
Are these expressions equivalent?
3r + 11 + 5r and 2(4r + 3) + 5
yes, they are equivalent
What are Ms. Bellas's plans for midwinter break?
(two things - 2 points if you get both)
My mom is coming to visit from Kentucky and then I'm going to Nashville