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Exponents
Distributive Property
What the Heck?
Percent
A little of This n That
100
Which expression shows the prime factorization for 66? 3 to the second power X 11 2 X 3 X 11 6 X 11
2 X 3 X 11
100
5(X-2)
5X-10
100
27 decreased by 3
27 - 3 = 24
100
1/5 of the students are boys. What percent of the students are boys?
20%
100
There are 40 girls in the computer lab. The ratio of girls to boys is 2 to 5. How many boys are in the lab?
ratio: 2 girls 40 girls ______ = ______ 5 boys X boys
200
What is the prime factorization for 18? 9 X 2 2 X 3 X 3 3 X 6
2 X 3 X 3
200
What is the value of the expression? 6(X + 4)
6X + 24
200
a number decreased by 3
n - 3
200
What is 30% of $3,000?
$900
200
The ratio of pens to pencils is 4:5. If you have 16 pens, how many pencils do you have?
pens 4 16 __ = ____ pencils 5 X
300
Make a factor tree for 36 and write your answer in exponent form.
2 to the second power X 3 to the second power
300
What is the value of this expression? 1/2(4y - 6)
2y - 3
300
the product of 5 and 6
30
300
what percent is 1/3 of a pie?
33 1/3%
300
In the expression n + 16, what is the variable? and what is the constant?
n is the variable and 16 is the constant
400
Make a factor tree for 100 and write the answer in prime factorization form
2 X 2 X 5 X 5
400
-1/5(25x - 30)
-5x + 6
400
What is the value of this expression? 35 ---- 2 to the third power - 1
35 divided by 7 = 5
400
What is 4% of 100
.04 X 100 = 4
400
What is the reciprocal of 2/3
3/2
500
Solve this expression -2 to the third power
-2 X -2 X -2 = -8
500
What is the value of this expression? 1/4(20x + 4)
5x + 1
500
Combine like terms 5y - 8 - y
4y - 8
500
20 is what % of 120?
20 = ____% X 120 20/120 = .1666666.... = 16.6%
500
If you can type 105 words in 3 minutes, then what is the rate of words typed per minute?
105/3 = 35 words per minute