Order of Operations
[7 + (3 x4)] -2
17
Doing the calculations to find the value of an expression
What is evaluate
Write a numerical expression
Add 15 to the product of 3/4 and 12
(3/4 x 12) + 15
Without doing any calculations write > < or =
72 x (37 - 9) or 69 x ( 37 -9)
72 x (37 - 9)>
What is a mathematical phrase that contains numbers and at least one operation?
What is a numerical expression
Insert parentheses to make the statement true
7+ 6 x 14 -9 = 37
(14-9)
Tells which calculations to do before others.
What is order of operations
PEMDAS
Parentheses, exponents, multiplication, division, addition, subtraction
80- (.04 + 0.2) x10
74
22- {[(87 -32) /5] x2}
0
Write a numerical expression
Find the difference of 29 and 13, and then divide by 2
( 29 - 13) / 2
Describe how expression 1 compares to expression 2
1: $3.99 + ($9.50 x 2)
2: $9.50 x 2
Expression 1 is $3.99 more than expression 2
8 x 5 + 7 x 3 - (10-5)
56
What step do you perform first in evaluating this expression
6 + (24-4) + 8 x 2
( 24- 4)
Write a numerical expression
Add the quotient of 120 and 3 to the product of 15 and 10
(120 /3) + (15 x 10)
Write > < or =
( 249 + 1,078) x 1/3 or (249 + 1,078) /3
=