Tuesday, October 13, 2009

Order of Operations

We are working on expressions, equations and inequalities with all of the operations. The rule we follow to know which operation to do first is called the Order of Operations.
It goes like this:
Multiply and/or divide (left to right)
Add and/or subtract (left to right)

We use the Mnemonic Device to help us remember the Order of Operations.

Example: 45 - (3 x 8) + 9
In this expression we would multiply 3 x 8 first because it is in parentheses.
That would leave us with 45 - 24 + 9
Then we subtract because it come first moving from left to right.
That would leave us with 21 + 9 which equals 30.
So the value of 45 - (3 x 8) + 9 is 30.

Sunday, October 11, 2009

Figurative Language

We are working on similes, metaphors, personification and hyperbole.

Similes are a comparison of two unlike things using like or as: the boy ran like the wind Metaphors are a comparison of two unlike thing: The misbehaving child was a monster. Personification is giving human characteristics to inhuman things, objects, ideas or animals: The wind whispered my name and told me to come out to play.
Hyperbole is exaggeration: that was the worst movie I've ever seen.

Here are some similes the students in G-2 have written.
I am as brave as a bear.
Mrs. Coleman is as smart as a scientist.
I was as hungry as a bear that hasn't eaten all summer.