817Andrea+T

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 * notice:** every answer in each question has a different page!*

__Central Tendency of Measurements.__

//__a.) Mean = Average.__ To get the mean, you have to add all of the numbers and then divide the sum to the total numbers there are. __b.) Median = Middle.__ To get the median, you have to find out what the middle number is. In some cases, there are 2 middle numbers. Add those 2 numbers and divide the sum by 2. __c.) Mode = Most Common.__ To get the mode, look for a number that occur more than once. In some cases, there are more than one mode.//


 * __Remember__: They must be in numerical order.


 * __QUESTION#1__ Find the mean, median, and mode for these set of data:** **1, 2, 4, 5, 6, 6, 9**

//MEAN:// **4.71** //MEDIAN:// **5** //MODE:// **6**
at's answer for # 1

__Square Roots.__

//What are perfect squares? - An algebraic expression that can be factored as the square of some other expression.// e.g.: 5 x 5 = 25 << perfect square

//What are Square Roots? - The result of multiplying the number by itself.//


 * __QUESTION#2__ What is the square root of 43?**

43 Whole Number: 6 Numerator: 7 Denominator: 13
 * 6x6=36 7x7=49

Answer: 6 7/13**

at's answer for # 2

__Percent__ - //a fraction with a denominator of 100.//


 * __QUESTION#3__ Is taking 15% off an item, and then an additional 10% off the reduced price, the same as taking 25% off the original item price?**

But if you take off 25% of $100, the answer will be $75.**
 * No, it's not the same. Because when you take off 15% and 10% of for example $100, the answer will be $76.50

at's answer for # 3

__Ratio Proportion Question__ //> solve with an equivalent fraction//


 * __QUESTION#4__** **Sessions in the swimming pool cost $10 for 5, how much will it be for 20 sessions?**

=__5__= __20__ cost =$10= //$40//
 * __sessions__**

at's answer for # 4

__Ratio Proportion Question__ //> solve with a ratio table//

__**QUESTION#5**__ **If you play 3 games of snooker and it costs you $6, how much would it cost you for 15 games?**

3 $6 15 $30**
 * __snooker__ __cost__

at's answer for # 5


 * || **Question 1** || **Question 2** || **Question 3** || **Question 4** || **Question 5** ||
 * Question for parent to do || /2 || /2 || /2 || /2 || /2 ||
 * Answer with explanation || /2 || /2 || /2 || /2 || /2 ||
 * Parent Notes explaining topic || /2 || /2 || /2 || /2 || /2 ||
 * Extra work to further explain topic, bubbleshare, pictures etc. || /3 || /3 || /3 || /3 || /3 ||
 * Extra links to math blog sites || **/5** ||  ||   || **Total** || **/50** ||