Order of Operations
What is the first step in evaluating:
6 − (4 ÷ 2 × 5)?
Evaluate inside the parentheses
Which expression is equivalent to:
4 × 4 × 4 × 4 × 4?
4⁵
In the expression 2x + 8y + 15, name one variable.
x or y
Evaluate when b = 1.5:
3(b + 10) − 7
27.5
Silvio made 24 cupcakes and m muffins. Which expression shows how many more muffins than cupcakes he made?
m − 24
Which operation comes first: multiplication or division and why?
Either-Do them left to right
Which expression is equivalent to:
5(2a + 2)?
10a + 10
What is the coefficient of x in 2x?
2
Evaluate:
(60 − 6) × (1/3)3 + 27 ÷ 3
11
Caroline earned 40 points plus 3 points per question. Write an expression.
40 + 3q
Evaluate: 8 ÷ 4 × (2 + 3) − 9
1
Select ALL that are equivalent to 25 + 3(a − 5) + 7a
10a + 10
Identify the terms in:
2x + 8y + 15
2x, 8y, 15
Evaluate:
8² ÷ 4 × (2 + 3) − 9
71
A taxi charges $4.50 plus $0.75 per mile. Write an expression for m miles.
4.50 + 0.75m
What does the exponent mean in 4⁵?
Multiply 4 by itself 5 times
Which shows the product of 7 and the sum of n and 4?
7(n + 4)
Which part of an expression is the number attached to a variable?
Coefficient
Evaluate when b = 1.5:
5b² + 28
39.25
Using the taxi expression, find the cost of a 5-mile ride.
$8.25
True or False:
Exponents are evaluated after multiplication.
False
Explain why 7 + 4n is not the same as 7(n + 4).
One adds first, the other multiplies both terms
True or False:
15 is a term.
True
Discover the mistake when evaluating b² when b=2?
2 x 2= 42
Squaring after multiplying
Mr. Rajesh drove m miles, then 270 more miles, in 9 hours. Write an expression for miles per hour.
(m + 270) ÷ 9