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Warm Up. Answer following questions:. What determines a plane? 2) Can the line m and the point A determine a plane? Explain. A. C. B. m. Choose any 2 points named B and C on the line m. Postulate says that 2 points determine only 1 line. So line m is exactly the same as line

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Warm Up

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Warm Up

Answer following questions:

  • What determines a plane?

  • 2) Can the line m and the point A determine a plane? Explain.

A

C

B

m


Choose any 2 points named B

and C on the line m.

Postulate says that 2 points

determine only 1 line. So line

m is exactly the same as line

BC.

A, B, and C are noncollinear.

Another postulate says

that 3 noncollinear determines

only 1 plane. Point A

and the line m determine only a

plane.

Warm Up

A

C

B

m


Mixed Fraction

Addition


Let’s do some review work before we begin.

What is proper fraction?

fraction whose numerator is smaller then the denominator

What is improper fraction?

fraction whose numerator is larger or equal than to its denominator

What are mixed numbers?

sum of a whole number and a proper fraction


Method 1

Change the mixed number into an improper fraction

Method 2


How else can I add the mixed numbers?

+


Method 1

Add Mixed Numbers


Method 1

Add Mixed Numbers


Step 1 Add the whole number parts separately

Step 2 Add the fraction separately. If the sum is an improper fraction, change it to mixed number and add the whole number parts again.

Procedure for Method 1


Method 2

Add Mixed Numbers


Step 1 Find the LCD

Step 2 Add the fraction separately. If the sum is an improper fraction, change it to mixed number and add the whole number parts again.

Procedure for Method 2


What is the LCD?

Method 3

Add Mixed Numbers


Step 1 Change mixed numbers to improper fraction.

Step 2 Add improper fractions and simplify the answers.

Procedure for Method 3


Let’s Practice!


What did you learn today?


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