Sunday, October 28, 2007

HELLO!!!!

Problem of the Day!!!!

n

1st n odd intergers

Sum of the 1st n odd intergers

1

1

1

2

1,3

4

3

1,3,5

9

4

1,3,5,7

16

5

1,3,5,7,9

25

6

1,3,5,7,9,11

36

n

1,3,5,7,9,11,n

How did we figure it out??? Look Below!!!

Number of people giving

Number given

exponent

1

5x5=25

5 to the 2nd power

5

5x5x5=125

5 to the 3rd power

25

5x5x5x5=625

5 to the 4th power

125

5x5x5x25=3,125

5 to the 5th power

In Class Problems

1-) Word Problem: A square field has sides that are 30m long, use exponents to calculate the area of the field.


30m

2-) Word Problem: A building is as long as it is wide as long as it is tall. The building is 50ft tall. Use exponents to calculate the volume of the building.

Volume: How much space an object takes up or how much an object can hold inside of it. It also means to times length times width times height.

50ft




50ft

50ft




50ft





50 times 50 times 50 which is the same as:


Also today in class we went over a practice sheet that gave us information on exponents. It told us what a power, base and exponent are and examples of what they those words mean.

Our homework today was the work sheet that Mr. Alcantara gave to us this morning. It was all on exponents!!!

The scribe now is Ali Pieri

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