Meeting Two
description
Transcript of Meeting Two
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Hour oneFeedbackWarm-up LINES
Hour twoANGLES
Project introHour three
Check-insLibrary
Meeting Two
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NursingCars, trucksWoodsCookingArmyMachine toolsHistoryAnimal careDriving (mudding)
PhotographyAccountingMarketingEconomicsArchitectureGaming, mediaCoachingHelping kids(Drawing)
Some interests in this room
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NursingCars, trucksWoodsCookingArmyMachine toolsHistoryAnimal careDriving (mudding)
PhotographyAccountingMarketingEconomicsArchitectureGaming, mediaCoachingHelping kids(Drawing)
Geometry is related to…
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What other things are we going to be doing for the rest of these 5 weeks?
Why are fractions important?
More on Y=mX+b
Your day one questions
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Results from Meeting One
Multiplication facts
Operating on fractions
Solving equations
Order of operations
1
2
3
4
5
6
7
8
Key:Needs review
Better
Has it covered
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Operating on Fractions What scales would you
use on the X and Y axes to represent this data?
Decimals (another pre-skill)
Warm-up
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1) Operating on Fractions
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2) Operating on Fractions
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3) What scale for these axes?(See Board)
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4) Operating on Decimals
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What have we covered, so far?
Plane Point
Line
Angle
Flat (2-D) Shapes
Solids (3-D)
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Having trouble with slope?Try using the slope formula:
EXAMPLE ON BOARD
Line (continued)
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Having trouble with y-intercept?Plug-in both the slope and the X and Y value from a point that you know, and then solve for b
FIRST PROBLEM SET
Line (continued)
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Is made by two lines, rays, or segments that meet (at the vertex)
Has size (measured in degrees)Is described using three points
New Topic: Angle
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Some exact sizes are named:Right (90o)
Straight (180o)
Angle (continued)
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Some ranges of sizes are named:Acute (between 0o and 90o)
Obtuse (between 90o and 180o)
Angle (continued)
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See any acute angles?
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I count 8 acutes, at the least
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How about obtuse angles?
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Some combinations are named:Adjacent (two that share a ray)
Opposite (two that are across an intersection of lines)
Angle (continued)
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Adjacent acute and obtuse angles
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Adjacent acute angles
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More combinations are named:Complementary (add up to 90o)
Supplementary (add up to 180o)
Angle (continued)
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You can eye-ball the categories
You’ll also need to find angle size exactly by measuring with a protractor
EXAMPLE ON BOARD
Angle (continued)
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Measure angles on paper using a protractor
Identify individual angles as right, straight, acute, or obtuse
Identify pairs of angles as adjacent, opposite, complementary, or supplementary
SECOND PROBLEM SET
Angle TASKS
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Some combinations are named:Perpendicular (meet at 90o)
Parallel (never meet, have same slope)
Topic: Angles and Lines
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'See any parallel line segments?
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Are these lines parallel?
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Parallel lines have same slope (m)
EXAMPLE ON BOARD
Angles and Lines
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Perpendicular lines have slopes that are each other’s opposite and reciprocal
EXAMPLE ON BOARD
Topic: Angles and Lines
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A line that crosses or bridges two parallel lines is called a transversal
Angles and Lines
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When a transversal crosses parallel lines, there are many pairs of equal angles – use color!
Angles and Lines
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Corresponding anglesAngles and Lines
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Alternate interior anglesAngles and Lines
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Alternate exterior anglesAngles and Lines
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Identify perpendicular and parallel lines
Find the slope of a line based on the slope of a line that is parallel or perpendicular to
Find missing angles’ sizes where parallel lines are crossed by a transversal
THIRD PROBLEM SET
Angles and LinesTASKS
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FOURTH PROBLEM SET
FIFTH PROBLEM SET
SIXTH PROBLEM SET
Work on the rest until break
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NursingCars, trucksWoodsCookingArmyMachine toolsHistoryAnimal careDriving (mudding)
PhotographyAccountingMarketingEconomicsArchitectureGaming, mediaCoachingHelping kids(Drawing)
Check-out some of the links…
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Write 5 photo ideas for your project
(Places you could go to takephotos relevant to your interests)
(Particular subjects for the photos themselves)
Add to today's check-in…
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ApocalypticaBeethovenJack Johnson – Cookie JarJakeWob – Starry-eyedOn the Pipe Five – Candle WaxFake it
Today's tunes