Exponents and PEMDAS
The bill with the greatest value ever printed in the United States had a value of 105 (ten to the fifth power) dollars. What is that dollar amount?
What is $100,000
Solve the expression 180 x (n - 2)
if n = 10
What is 1,440.
There are 16 ounces in 1 pound.
Write an expression that gives the number of ounces in p pounds. Use p to represent pounds.
What is 16p.
Identify all the variables in the following expression:
7c + 8a - 4b
What are c, a, and b
Micah buys 7 mystery books and 3 fantasy books. He writes the equation 7 + 3 = 3 + 7 to figure out how many books he buys. What property did Micah use?
What is commutative property.
J.J. is making a patio in his yard. He needs a total of 15 squared concrete blocks to cover the area. How many blocks does John need?
What is 225 blocks.
The expression 50v gives the number of points Collin earns for completing v voyages in a video game. How many points are earned for completing 8 voyages?
What is 400 points.
The length of a swimming pool is 5 feet shorter than twice the width.
Let w represent the width.
Write an expression that gives the length of the swimming pool.
What is 2w - 5.
What are the coefficients in the following problem?
3a + 6b - (4x + 1)
What are 3, 6, and 4
Ian bought a basketball for $23, three baseball caps, and a pair of running shoes for $37.
To find the total cost in dollars, he wrote
23 + 3d + 37 = 23 + 37 + 3d.
Which property does the equation show?
What is commutative property. The order changed.
Which is a way to write 2 x 2 x 2 x 5 x 5 with exponents and two bases?
What is 23 x 52
The expression (p➗️20) x 4 gives the time in minutes that a person will have to wait to ride a roller coaster when there are p people in front of him or her.
How long will Marly have to wait if there are 60 people in front of her?
What is 12 minutes
The price of a skateboard is $5 less than 3 times the price of a pair of knee pads.
Let k represent the price of the knee pads.
Write an expression that gives the price of the skateboard.
What is 3k - 5
True or false: This is an example of an expression
3a - 4b + 6 = 78
What is false. Expressions do not have an equal sign.
Sandwiches cost $5, french fries cost $3, and drinks cost $2.
The expression 5n + 3n + 2n gives the total cost, in dollars for buying a sandwich, fries, and drink for n people.
If Bob buys a sandwich, fries, and a drink each for 4 people, how much will he spend?
What is $40
Mascie placed 24 books onto each of 5 shelves. How many books did she place on the shelves in all?
What is 80 books.
The difference in meters, that Sydney runs during track practice is equal to 400t + 100s, where t is the number of laps and s is the number of sprints.
How far does Sydney run when she does 3 laps and 8 sprints?
What is 2,000 meters
Caleb bought jeans for $16 each pair. Let j represent the amount of jeans Caleb bought.
He gave the cashier $80.
Write an expression to represent the amount of change Caleb will receive.
What is 80 - 16j
A basketball uniform consists of a jersey top and basketball shorts. The jersey tops costs $16 each, and the basketball shorts cost $12 each. The expression 16u + 18u represents the cost, in dollars, of buying u uniforms.
How many terms are in this expression?
What is two terms (16u and 18u). (terms are separated by an addition or subtraction sign)
A restaurant owner bought f, large bags of flour for $45 each and s, large bags of sugar for $25 each.
Solve and find out how much it costs for 6 large bags of flour and 3 large bags of sugar.
What is 45(6) + 25(3) = $345
Evaluate the expression. 42 - 3 (7 - 2) + 4
What is 5.
The formula P = 2 (l + w) gives the perimeter of a rectangle with length l and width w. What is the perimeter of a rectangular soccer field with a length of 120 yards and a width of 75 yards?
What is 390 yards.
On Saturday, Austin planted 10 rows of tomato plants with p plants in each row.
On Sunday, he planted 6 rows of pepper plants with p plants in each row.
Write an expression that gives the total number of plants Austin planted this weekend.
What is 10p + 6p or 16p
Identify the constants in this expression:
8 + 4a ❌️ 3b + c - 7
Solve if y=3 and b=8
y3 + b ➗️ 2 ❌️ y2
What is 63.