Math Math

February 16, 2015February 16, 2015

Monday- No School Monday- No School

Tuesday: Bell Work Tuesday: Bell Work * *show workshow work

Use notebook paper and Use notebook paper and

create the bell work gridcreate the bell work grid Make sure you put Make sure you put

the correct letter the correct letter

Date Date WorkWork AnswerAnswer

2/242/24

2/252/25

2/262/26

2/272/27

**show work- do not just write down an show work- do not just write down an answeranswer

AgendaAgenda

• 1- bell work1- bell work• 2- Agenda-2- Agenda-

• *Vocabulary Quiz on Monday 3/2*Vocabulary Quiz on Monday 3/2• Quiz over Area and Dimensions 3/6Quiz over Area and Dimensions 3/6• Benchmark on Friday 3/13Benchmark on Friday 3/13

• 3- Vocabulary3- Vocabulary• 4- Objective 4- Objective • 5- lesson *Area of Squares 5- lesson *Area of Squares • 6- exit ticket6- exit ticket

VocabularyVocabulary

Study and review the terms!! Study and review the terms!!

Objective Objective

7.G.1 Solve problems involving scale 7.G.1 Solve problems involving scale drawings of geometric figures, drawings of geometric figures, including computing actual lengths including computing actual lengths and areas from a scale drawing and and areas from a scale drawing and reproducing a scale drawing at a reproducing a scale drawing at a different scale. different scale.

AreaArea

Lesson: Lesson:

Since all sides of the square are the Since all sides of the square are the same you can “square” your numbersame you can “square” your number

4 ft

To find the area multiply length and width

4 x 4

Or you can square it

42

7 ft

72 = 49

49 ft2

Be sure to include units of measure!! Since it is area you need to square the units.

12 m

4.5 in

Now that you can find area- Now that you can find area- let’s undo it!! let’s undo it!!

Area is 25 ft 2

What is one side???

Now that you can find area- Now that you can find area- let’s undo it!! let’s undo it!!

Area is 25 ft 2

What is one side???

What operation would you use to undo a square- the square root!!!

Now that you can find area- Now that you can find area- let’s undo it!! let’s undo it!!

Area is 25 ft 2

What is one side???

√25 = 5

Therefore one side is 5 ft.

Area = 81 sq in

Area = 36 sq m

Area = 81 sq in

Now that you found the side

Length is 9 in.

What is the perimeter???

Area = 81 sq in

Now that you found the side

Length is 9 in.

What is the perimeter???

9 x 4 = 36 in

Try this oneTry this one

Step 1: find the side lengthStep 2: find the perimeter

Exit TicketExit Ticket

Discuss with your partner Discuss with your partner

What can you do to “undo” the area of a What can you do to “undo” the area of a square?square?

Wednesday: Bell Work Wednesday: Bell Work * *show workshow work

**show work- do show work- do not just write not just write down an down an answeranswer

AgendaAgenda

• 1- bell work1- bell work• 2- Agenda-2- Agenda-

• *Vocabulary Quiz on Monday 2/23*Vocabulary Quiz on Monday 2/23• Quiz over Area and Dimensions 2/27Quiz over Area and Dimensions 2/27• Benchmark on Monday 3/2Benchmark on Monday 3/2

• 3- Vocabulary3- Vocabulary• 4- Objective 4- Objective • 5- lesson *Area of Squares HW – WB p. 835- lesson *Area of Squares HW – WB p. 83• 6- exit ticket6- exit ticket

VocabularyVocabulary

Study and review the terms!! Study and review the terms!!

Objective Objective

7.G.1 Solve problems involving scale 7.G.1 Solve problems involving scale drawings of geometric figures, drawings of geometric figures, including computing actual lengths including computing actual lengths and areas from a scale drawing and and areas from a scale drawing and reproducing a scale drawing at a reproducing a scale drawing at a different scale. different scale.

Lesson: Triangles Lesson: Triangles

TrapezoidsTrapezoids

Exit TicketExit Ticket

Discuss with your partner Discuss with your partner

Why does the triangle formula have a ½ in Why does the triangle formula have a ½ in it?it?

What is its purpose?What is its purpose?

Thursday: Bell Work Thursday: Bell Work * *show workshow work

**give a detailed explanation why-- do not just give a detailed explanation why-- do not just write down an answerwrite down an answer

AgendaAgenda

• 1- bell work1- bell work• 2- Agenda-2- Agenda-

• *Vocabulary Quiz on Monday 2/23*Vocabulary Quiz on Monday 2/23• Quiz over Area and Dimensions 2/27Quiz over Area and Dimensions 2/27• Benchmark on Monday 3/2Benchmark on Monday 3/2

• 3- Vocabulary3- Vocabulary• 4- Objective 4- Objective • 5- lesson *Vocabulary “I have Who Has”, 5- lesson *Vocabulary “I have Who Has”,

Need to Know, Vocabulary CrosswordNeed to Know, Vocabulary Crossword• 6- exit ticket6- exit ticket

VocabularyVocabulary

Study and review the terms!! Study and review the terms!!

Objective Objective

7.G.1 Solve problems involving scale 7.G.1 Solve problems involving scale drawings of geometric figures, drawings of geometric figures, including computing actual lengths including computing actual lengths and areas from a scale drawing and and areas from a scale drawing and reproducing a scale drawing at a reproducing a scale drawing at a different scale. different scale.

Need to Know: Need to Know:

CTCT*solve the problem*solve the problem

* show all work* show all work

CR CR • Solve for the scale factor. Solve for the scale factor. • Show your workShow your work• Hint- look at the critical thinking question – look at what Hint- look at the critical thinking question – look at what

the scale is – possible idea is to work backwards. the scale is – possible idea is to work backwards.

When done complete the vocabulary When done complete the vocabulary crossword.crossword.

Exit TicketExit Ticket

Discuss with your partner Discuss with your partner

What skills did you need for the need to What skills did you need for the need to know?know?

Friday: Bell Work Friday: Bell Work * *show workshow work

**show work- do show work- do not just write not just write down an down an answeranswer

AgendaAgenda

• 1- bell work1- bell work• 2- Agenda-2- Agenda-

• *Vocabulary Quiz on Monday 2/23*Vocabulary Quiz on Monday 2/23• Quiz over Area and Dimensions 2/27Quiz over Area and Dimensions 2/27• Benchmark on Monday 3/2Benchmark on Monday 3/2

• 3- Vocabulary3- Vocabulary• 4- Objective 4- Objective • 5- lesson *Area of Triangles and Trapezoids5- lesson *Area of Triangles and Trapezoids• 6- exit ticket6- exit ticket

VocabularyVocabulary

Study and review the terms!! Study and review the terms!!

Objective Objective

7.G.1 Solve problems involving scale 7.G.1 Solve problems involving scale drawings of geometric figures, drawings of geometric figures, including computing actual lengths including computing actual lengths and areas from a scale drawing and and areas from a scale drawing and reproducing a scale drawing at a reproducing a scale drawing at a different scale. different scale.

Area practice: Area practice:

Complete the practice problems on the Complete the practice problems on the worksheet.worksheet.

Area formulas:Area formulas:

Square: sSquare: s2 2 (s=side) (s=side)

Triangle: 1/2bhTriangle: 1/2bh

Trapezoid: 1/2h (bTrapezoid: 1/2h (b11 + b + b22))

Exit TicketExit Ticket

Discuss with your partner Discuss with your partner

Why are the area formulas different for Why are the area formulas different for different shapes?different shapes?