See if you can figure this out.

http://www.mathcats.com/explore/puzzles/3dtictactoe.html

## Tuesday, October 24, 2006

### Watch this!

Can you prove that 25 divided by 5 is 14? Try it and then watch this video.

http://www.youtube.com/watch?v=M02GqSvjauk

The sum of three consecutive numbers is 45. What are the integers?

X + X + 1 + X +2 = 45

3x + 3 = 45

3x = 42

x = 14 x +1 = 15 x+2 = 16 14 + 15 + 16 = 45

The sum of three consecutive odd integers is 69. What are the integers? You have 5 minutes.

http://www.youtube.com/watch?v=TYMZHPe59Mw

What are the five parts of a word problem?

http://www.youtube.com/watch?v=O0MnnUzTI_I&search=algebra%20word%20problem%20homework

Solve this problem using the five parts of a problem format.

I’m thinking of a number. Six more than five times the number is twenty less than 7 times the number.

http://www.youtube.com/watch?v=In_XMS9asUg&search=algebra%20word%20problem%20homework

Please simplify the following by using the distributive property:

3(x + 2) = 4(x – 7) =

http://www.youtube.com/watch?v=41ZvGEtuZQk&search=algebra%20word%20problem%20homework

http://www.youtube.com/watch?v=M02GqSvjauk

The sum of three consecutive numbers is 45. What are the integers?

X + X + 1 + X +2 = 45

3x + 3 = 45

3x = 42

x = 14 x +1 = 15 x+2 = 16 14 + 15 + 16 = 45

The sum of three consecutive odd integers is 69. What are the integers? You have 5 minutes.

http://www.youtube.com/watch?v=TYMZHPe59Mw

What are the five parts of a word problem?

http://www.youtube.com/watch?v=O0MnnUzTI_I&search=algebra%20word%20problem%20homework

Solve this problem using the five parts of a problem format.

I’m thinking of a number. Six more than five times the number is twenty less than 7 times the number.

http://www.youtube.com/watch?v=In_XMS9asUg&search=algebra%20word%20problem%20homework

Please simplify the following by using the distributive property:

3(x + 2) = 4(x – 7) =

http://www.youtube.com/watch?v=41ZvGEtuZQk&search=algebra%20word%20problem%20homework

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