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Divide: . 1.) 2.75÷2.5= Round to the nearest thousandth: 2.) 456. 4584 PowerPoint PPT Presentation


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Warm Up # 3. Divide: . 1.) 2.75÷2.5= Round to the nearest thousandth: 2.) 456. 4584 Simplify (CLT): -7 + 2x - 3 - 6x + 3 +x. Quiz on Friday . Chapter 2 LTs # 1 – 11 AND Chapter 1 stuff!. Add Fractions. Learning Targets. LT #10 : I can add fractions.

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Divide: . 1.) 2.75÷2.5= Round to the nearest thousandth: 2.) 456. 4584

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Warm Up # 3

  • Divide: .

  • 1.) 2.75÷2.5=

  • Round to the nearest thousandth:

  • 2.) 456. 4584

  • Simplify (CLT): -7 + 2x - 3 - 6x + 3 +x


Quiz on Friday. Chapter 2 LTs # 1 – 11 AND Chapter 1 stuff!


AddFractions


Learning Targets

  • LT #10: I can add fractions.

    Before: 1 2 3After: 1 2 3

    1 = always 2 = sometimes 3 = not yet

I have these questions:

7NS1.2


EQUIVALENT FRACTIONS OF


WHAT IS THE ANSWER TO PLUS ?

+

=


What do you notice about the numerators?

8

12

You ADD numerators

3

12

What do you notice about the denominators?

+

11

12

The denominator STAYS THE SAME!


2

6

You ADD numerators

3

6

+

The denominator STAYS THE SAME!

6

5


4

7

+

9

9

2

1

9

+

Write sum of numerators over common denominator of 9.

4

7

4

7

+

=

9

9

9

Add numerators.

11

=

9

Rewrite improper fraction

as a mixed number.

=

Adding Fractions


7

2

9

1.

ANSWER

+

10

10

10

2

3

5

2.

ANSWER

+

9

9

9

1

4

2

3.

ANSWER

1

+

5

5

5

2

5

4.

1

ANSWER

+

7

7

Adding Fractions

Find the sum.


3 7

–3 7

can be written as .

6 7

–3

7

+

6 + (–3) 7

3 7

=

Add & Subtract Fractions

Add or subtract. Write each

answer in simplest form

6 7

3 7

+ –


EQUIVALENT FRACTIONS OF


LETS SAY I WANT TO ADD AND ?


IF I ADD AND ?

HOW MUCH IS THAT?


IT’S REALLY HARD TO KNOW HOW MUCH THAT IS!

SO BEFORE YOU TRY TO ADD THEM, MAKE IT SO BOTH FRACTIONS HAVE AN EQUAL NUMBER PARTS.


WHAT I MEAN BY EQUAL PARTS, IS MAKE IT SO BOTH FRACTIONS ARE CUT INTO THE SAME NUMBER OF PIECES.

3 PIECES 2 PIECES


WHAT IS THE ANSWER TO PLUS ?

Giant One

(horizontal)

2

6

1

3

• 2

• 2

(vertical)

3

6

• 3

• 3

1

2

+

5

6


That's all Folks!

Take Out Your Learning Targets!


2 3

+

ADD

6 6

2

Add Fractions With The Same Denominator

LT

#10

6

3

You ADD

The numerators

6

+

5

2 + 3

6

The denominator

stays the same!


One-Third Plus Two-Fourths

LT # 10

Adding fractions with unlike denominators

Giant One

4

12

1

3

•4

• 4

=

6

12

2

4

• 3

• 3

=

+

+

______________

5

6

10÷

12÷

2

2


LT #10

Add Fractions

  • Find a common denominator

12

4

3

 _ =

15

5

 _ =

3

2)Add the numerators.

2

5

10

 _ =

3) Keep the denominators the same.

+

3

 _ =

5

15

22

4) If possible reduce or simplify. Change improperfraction to mixed number.

1

15

15

15)

7

22

15

7


LT #10

Add Mixed Numbers

11

1

If Improper: Change to mixed number.

20

24

5

4

_ =

24

6

_ =

24

4

24

15

5

3

24)

 =

35

3

27

+

24

8

 =

3

35

+

11

11

11

1

24

24

24

And add the mixed number to the whole number part of the answer.

28

IMPROPER


Assignment:

  • Topic: Extra Review Problems WS. # 1- 5

  • Rewrite vertically on binder paper.

  • Show GIANT one and all work!

  • If the answer is improper, rewrite as mixed number.

  • Use your LT notes as examples.


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