"Plugging It In"
Translating Verbal Expressions
Writing and Solving Algebraic Expressions
Inverse Operations
A Trip Down Memory Lane
100
3h + 2 For h=10
32
100
Write an algebraic expression: 7 less than y *Remember the trick for less than
Y-7
100
Julia bought n dozen eggs for $1.75 per dozen. If he bought 8 dozen eggs, how much did he spend? Write an algebraic expression and then solve
1.75n 1.75(8) $14
100
24+x=72
x=48
100
Solve using the correct Order of Operations: 7+24 ÷ 6 x 2
Answer: 15 24÷6=4 4x2=8 8+7=15
200
7n-2 For n=5
33
200
Write an algebraic expression : The quotient of 18 and w
18÷w
200
Bill owns a landscaping company. He charges a reservation fee of $250 and then charges $25 per hour after that. Write an expression to show how much Bill earns in total if he worked h hours.
250 + 25h
200
x - 56 =19
x=75
200
10 x (28-23) +7² -37
Answer: 62 (28-23)=5 7²=49 10x5=50 50+49=99 99-37=62
300
3w+17 For w=13
56
300
Write an algebraic expression: Take away 9 from the product of 18 and w
18w-9
300
Holly bought 10 comic books. She gave a few of them to Kyle. Let c represent the number of comic books she gave to Kyle. Write an expression for the number of comic books Holly has left.
10-c
300
6y=144
y=19
300
5² - 10 + (5+4²)
Answer: 36 (5+4²)=5+16=21 5²=25 25-10+21=36
400
Y÷4 + 8x For y=56 and x=3
38
400
Write an algebraic expression: 7 less than the quotient of 18 and z
18÷z-7
400
Marisa purchased canned soft drinks for a family reunion. She purchased 1 case of 24 cans and several packages containing 6 cans each. If p represents the number of 6-can packages she purchased, what expression represents the total number of cans Marisa purchased for the reunion?
24+6p
400
161=7y
y=23
400
1.4 x 0.21
0.294
500
4z + 8y - x÷5 For x=45, y=7, z=3
45
500
Write an algebraic expression: The difference between the product of 7 and x and the sum of 8 and y
7x - (8+y)
500
In basketball, players score 2 points for each regular basket made, 3 points for each three-point shot, and 1 point for each free-throw. Write an expression for the total number of points a team scores for x baskets, y three-point shots, and z free throws. What is the total points scored if b=8, t=6, and f=11
2x+3y+1z-->2(8)+3(6)+1(11)--->45 points
500
14=c/5
c=70
500
20.7÷0.6
34.5
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