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Exponents and PEMDAS
Evaluate Algebraic Expressions using Order of Operations
Write Algebraic Expression
Identify Parts of Expressions and Combine Like Terms
More Identifying Parts of Expressions
100
The bill with the greatest value ever printed in the United States had a value of 10^5 (ten to the fifth power) dollars. What is that dollar amount?
What is $100,000
100
The expression 180 x (n - 2) gives the sum of the measures of the angles, in degrees, of a polygon with n sides. What is the sum of the measures of the angles in a polygon with 10 sides?
What is 1,440 degrees.
100
There are 16 ounces in 1 pound. Write an expression that gives the number of ounces in pounds. Use p to represent pounds.
What is 16p.
100

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. What does 16u represent in this context?

The total cost of the shirts for u uniforms.

100

Micah buys m mystery books and f fantasy books. What would m + f represent in this context?

The total number of mystery and fantasy books Micah buys.

200
J.J. is making a patio in his yard. He needs a total of 15^2 (fifteen squared) concrete blocks to cover the area. How many blocks does John need?
What is 225 blocks.
200
The expression 500v 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 4,000 points.
200
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.
200
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. What is another way to write this expression
What is 10n. (Combine like terms)
200

Ian bought a basketball for $23, three baseball caps, and a pair of running shoes for $37. If each baseball cap cost x dollars, what does 23 + 3x + 37 represent in this context?

The total amount Ian spent

300
Which is a way to write 2 x 2 x 2 x 5 x 5 with exponents and two bases?
What is 2^3 x 5^2
300
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
300
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
300
Jacob bought granola bars at the store. The expression 6p + 5n gives the number of bars in p boxes of plain granola bars and n boxes of granola bars with nuts. What are the coefficients of the expression?
What is 6 and 5 (the number multiplied by a variable)
300

Brandon bought p packs of hockey cards, and 4p packs of baseball cards. If Brandon bought 3 packs of hockey cards, how many packs of baseball cards did he buy?

12 packs

400
Mascie placed 2^4 (two to the fourth power) books onto each of 5 shelves. How many books did she place on the shelves in all?
What is 80 books.
400
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
400
Caleb bought jeans for $16 each. 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. (assuming he doesn not spend more than he has)
What is 80 - 16j
400

Jackets cost $15 and a set of decorative buttons cost $5. The delivery fee is $5 per order. The expression 15n + 5n + 5 gives the cost, in dollars, of buying jackets with buttons for n people. What is another way to write this expression?

What is 20n + 5

400

A restaurant owner bought b large bags of flour for $45 each and b large bags of sugar for $25 each. The expression b (45 + 25) gives the total cost, in dollars, of the flour and sugar. Use the distributive property to rewrite this expression.

What is b x 45 + b x 25  or  45b + 25b

500
Evaluate the expression. 4^2 + 3 (7 - 2) + 4
What is 35.
500
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 lenth of 120 yards and a width of 75 yards?
What is 390 yards.
500
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 = 16p
500
Scarves cost $12 and snowmen pins cost $2. Shipping is $3 per order. The expression 12n + 2n + 3 gives the cost, in dollars, of buying scarves with pins for n people. What is another way to write this expression?
What is 14n + 3
500

You buy 2 snow cones for $4 each, then n friends hear you are buying snow cones, and now each of those friends wants you to buy one for them. If you did decide to buy everyone a snow cone, in addition to the 2 you already bought, how much would you spend in total?

8 + 4n  or 4(2+n)