Algebraic Expressions
Order of Operations
100
Evaluate p - 23 for p = 10
10 - 23 = - 13
100
To find the area of a trapezoid with bases of 8 in. and 5 in. and a height of 6 in., you are simplifying the expression 1/2(8+5) x 6. What should you do first?
Add 8 and 5.
200
An internet service provider charges $25 for a connection fee and then $16 per month. Write an expression to model the total cost of internet service with this provider.
$25 + $16m
200
Simplify 9 - 5 + 2 x 4
12
300
Evaluate 3n + n ÷ 3 for n=12
3(12) + 12 ÷ 3 = 40
300
Evaluate n + (13 - n) ÷ 5 for n = 3
5
400
What is an algebraic expression for this statement: "13 less than 2 times a number P"
2P - 13
400
A hot air balloon is at a height of 2,250 feet. It decends 150 feet each minute. Find it's height after 8 minutes.
2,250 - 150(8) = 1050 feet
500
Mr. B's fitness club charges $100 to join and $35 per month. Find the cost for 6 months of membership.
$100 + $35(6) = $310
500
Evaluate 8 - (b + 2)2 ÷ 4 +1 for b=4
0
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