817Cindy

1) Mean, Median and Mode

Mean: A mean is when you add all the numbers and then you divide it by how many numbers in a set.

Median: The Median is the number in the center of the set. If the set is an even number you add the 2 numbers in the center then you divide by 2.

Mode: The mode means a number that you see the most.

Find the Mean, Median and Mode

Question 1: 3 3 7 2 4 8 9

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2) Square Roots
 * perfect square: A perfect square is a square that has the same numbers in each side.
 * Square Root: a number multiplied by itself is a square root of a number.

Question 2:Find the square root of / 79

Example:

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3)Question3:*is taking 15%off a given item and then an additional 10% off the reduced price the same as taking 25% off the original price? Why or Why not.

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4)*Question4:* Suppose you have a photograph that is 20cm wide and 30cm long. If you double the width to 40cm and you want it to be similar what is the new length? Explain why they are not correct?

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5)*Question5:*If you bought 4 pencils for $10.00, how many pencils would you buy if you have $15.00?

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