Review for Math Placement Test'

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Review for Math Placement Test. So how much
have you forgotten?
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Decimals
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Fractions
Now you try
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Fractions
Now you try
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Fractions
Now you try
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Fractions
Now you try.
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Percents
Changing a fraction to a percent
Now you try..
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Percents
Finding the percent of a number
What is 30 of 400?
On the last quiz you scored 84 there were 35
questionshow many did you get right?
The ratio of boys to girls is 4 to 6 what
percent is boys?
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Integers

- 5 7
-4 - 6
9 ( - 2)
17 20
4 ? -2
-48 ? -6
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Like Terms
If you have several groups of variables, all of
the same letter you can ADD or SUBTRACT them
together.
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Now you try
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Order of Operations
5 7(32)2
Now you try.. 3(6?2)2 (32)
7 8 9(-2)
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Evaluating Expressions Plugging in Numbers
4xy 2x2 when x 3 and y 4
Now you try 3s3 4rt when s 2 and r 4 and t
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Try some more
5(y2) (9x) when x 10 and y 4
3x2 7(x2y) When x 3 and y 2
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Mean, Median, Mode, etc
Median put the numbers in order from least to
greatest and find the number in the exact middle.
Mode is there a value that occurs the most
amount of times?
Mean add the values together and then dived the
sum by the number of values.
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Practice
Bowling scores 125, 79, 123, 99, 47, 135, 100
Median
Mean
Range
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Geometry
Find the area of a rectangle with a length of 7
and a width of 15
If a circle has a radius of 3what is the
diameter?
The perimeter of a square is 20 ftHow long is
each side?
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Solving equations