Today in class we continued on solving equations. We also learned how to check are answere. To check your answere you need to follow these steps.

First you need to show all your work.

x+12 = 2x+6
-x -x
--------------
12 = 1x=6
-6 -6
--------------
6 = 1x

Checking your work~

x+12 = 2x+6
6+12 = 2(6)+6
18 = 18

thats how you check your work.

Moving Straight Ahead Problem 3.3 hw launch 3.4

Moving Straight Ahead Problem 3.3 hw & 3.4 launch hex

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Moving Straight Ahead Problem 3.3 hex

Moving Straight Ahead Problem 3.3 hex

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Today in class we learned how to solve equations.

An equation states that two quantities are equal.

*Make sure that when you write a equation you define the variables.*

An example of an equation is:

D=5T

D= distance in miles

T= time or number of hours

So if you traveled for 3 hours you would have traveled 15 miles because t=3 and 3*5 equals 15 so you would have traveled for 15 miles in 2 hours.

There is also another kind of equation.

When solving this equation think of maintaining equality, which means keeping something balanced on both sides.

For example if the equation was 85=70+15 and you wanted to make both side 70 you would subtract 15 from 85 and another 15 from 85 (because 70+15= 85-15=70). They now equal 70 on both sides of the equal sign.

Moving Straight Ahead Problem 3.2

Moving Straight Ahead Problem 3.2 hex

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today we started working on 4.2 I think and we did a,b and d we did c yestarday

1 teaspoon X teaspoons
________ _________
10 pounds 7 pounds

7 pounds/10 pounds= .7 teaspoons

how to do it ? : well you divide 10 and 7 and you get 0.7 so you would do the same for the top but opposite. so you would multiply 1 and 0.7 and get 0.7 . so as you see x=0.7.
its very easy once you know how to do them.

^

from Victoria

this is how to solve proportions

daily scribe(:

PROPORTIONS(:

Here's an example of a proportion:

1 teaspoon X teaspoons
________ _________
10 pounds 7 pounds

7 pounds/10 pounds= .7 teaspoons

how to do it ? : well you divide 10 and 7 and you get 0.7 so you would do the same for the top but opposite. so you would multiply 1 and 0.7 and get 0.7 . so as you see x=0.7.
its very easy once you know how to do them.

you can have any proportion with any numbers and do this. you just have to divide the two numbers that are the same and then whatever your answer is you multiply it with the number that has X.

by: Victoria=)