Math Counts

Whiteboards and such

Notecards from last time if you have them

Calculator

𝐴𝑟𝑒𝑎𝑜𝑓 𝑒𝑞𝑢𝑖𝑙𝑎𝑡𝑒𝑟𝑎𝑙∆=14𝑠2 √3

Math Counts flashcards

Probability of multiple events:

7

x

y

Jessica has a square garden whose perimeter is 28. She wants to make a path from one corner of the garden to the opposite corner, as shown below. What will the length of the path be?

Joseph has a regular deck of cards. What is the probability that he will pull out 4 cards

that are diamonds?

You are rolling two dice. What is the probability of getting two threes?

Individuals?

Answers to last week’s questions…

Math Counts

Whiteboards, no calculators

Notecards from last time if you have them

You choose partners.

February 22, 2014, at Olympia High School in Orlando.

The registration record for each of your schools is displayed in the table below. If anything appears out of order, please let us know ASAP and we'll work to correct any issues. If you wish to add mathletes to your team, please complete and submit to the National Registration Office the "Additional Students Registration Form" found at the back of the School Handbook by December 13, 2013!

http://mathcounts.org/resources/school-handbook

x

9

y

Jessica has a square garden whose perimeter is 208. She wants to make a path from one corner of the garden to the opposite corner, as shown below. What will the length of the path be?

Speed is key!

#2

#2

#3

#3

#4

#4

#5

#5

#6

#6

#7

#7

#8Aka arithmetic sequence

#8

#9

#9

#10

#10