## Check out the work of 6H3, 601, 603, 605

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Just Do The Math

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Posted in Classwork, Just Do the Math, Projects

Check out the puzzles.

http://www.seed.slb.com/science_sectionlanding.aspx?id=26534

Remove three toothpicks from the arrangement below to leave exactly three squares.

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Posted in Classwork, Just Do the Math

Posted in Classwork, Just Do the Math

Use the digits in the year 2009 and the operations +, – ,x, divide, and ^ (raised to a power), sqrt (square root) and ! (factorial), along with grouping symbols, to write expressions for the counting numbers 1-100. You can use decimal points and double-digit numbers.

1. All four digits must be used in the expression.

2. Only the digits 2, 0, 0, 9 may be used.

3. Multi-digit numbers such as 20, 209, oor .02 MAY be used.

4. Submit answer without using equal signs.

Example for number 11:

Correct format: (2 + 0)-0+9

Incorrect format: 2+0=2-0=2+9=11

Got to the link below to read official rules.

Posted in Just Do the Math, Problem of the Week, Projects