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THANKS FOR YOUR PATIENCE!

The new Hoffkids will be completed real soon.

For Wed 5-16-12 H.W.

1) read   ARTICLE 1  & ARTICLE  2

2) leave message, 1 new thing you learned from either article

3) STUDY for quiz tomorrow!

 

               sign guestbook      conference Room        TOP DOG #28  5/14-5/18  

MATH

SCIENCE

HMQ

 Hoffkids Math Questions 

TIMES TABLE

M1

 

 How Can I Learn My Times Tables?

M2

  MULTIIFLYER Facts Game  
M2.1  Multiplication Table Practice with 11's, 12's, and 13's! 

M3

 Times Table Practice
M4   SPACE RACER X Multiplication
M5

 10 Times Table Q's Against Time  

MULTIPLICATION, DIVISION, & SUBTRACTION 

M6  Multiplication Madness
M7   Multiplication Baseball
M8  Speed Grid Multiplication
M9  Sum Sense Multiplication
M10  Sum Sense Division
M11   "Long Division" Step-by-Step Explained
M12  Division Bingo
M13  How Do I Subtract With Regrouping?
PLACE VALUE, STANDARD, EXPANDED, WORD FORM
M14  Identifying Value of Numbers
M15  Finding Place Values
M16  Naming Whole Place Value
M17  Saying Big Numbers
M18  Expanded Form to Standard Form
M19  Word Form to Standard Form
M20  Standard Form from Word Form
M21  Expanded Form-Standard Form Matching
M22  Place Value Game (create largest possible #)

PROPERTIES

M23  Commutative, Associative, Identity, Distributive Properties of ADDITION
M24  Commutative, Associative, Identity, Distributive Properties of MULTIPLIC.
M25  Distributive Property (E-Lab Demo)

MENTAL MATH

M26

 Mental Math Techniques
  ESTIMATING & ROUNDING
M27  Estimator
M28  Estimator Comparison
M29  Estimator "Four" (Adding and Multiplying-Uses Patterns)
M30  Rounding Whole Numbers
M31  Rounding Whole Numbers (Easy)
M32  Rounding Whole Numbers (Medium)
M33  Rounding Whole Numbers (Basketmath)
M34  Estimating Sums with Rounding

INTEGERS & ABSOLUTE VALUE

M35  Number Line INTERACTIVE  
M36  Zero:  Positive, Negative, Both, or Neither? (explained)
M37   Ordering Integers "Number Balls Game"
M38  Ordering Integers (Medium Level)
M39  Ordering Integers (Hard Level)
M40  Absolute Value Practice Game I
M41  Comparing Integers with Absolute Value (>, <, =)

EXPONENTS

M42  Exponents Explained
M43  Powers of 10 (LIKE ZOOM; from 10 million light years to subatomic)

ORDER OF OPERATIONS

M44  Slide Show of P.E.M.D.A.S.
M45  P.E.M.D.A.S. Class Contest Winners!   
M46  Order Of Operations Practice I
M47  Order of Operations Practice II
M48  Order Of Operations Practice III 
M49  Order of Operations E-Lab

EVALUATING EXPRESSIONS

M50  Evaluating Expressions With 1 Variable
M51  Evaluating Expressions With 2 Variables
M52  Evaluating Expressions
M53  Late Delivery (evaluating expressions)

DECIMALS

M54  Word to Standard Form Pt. 1
M55  Word To Standard Form Pt.2
M56  Expanded Form Challenge (Digit-Wize)  (whole # & decimal)  
M57  Comparing Decimals >, <, =
M58  Ordering Decimals (Builder Ted)
M59  Ordering Decimals (interactive)
M60

 

  Ordering Decimals "Wash Line 2"  
M61  Rounding (whole # & decimal)
M62  Rounding Decimals To Whole #'s (Matching)
M63  Rounding Decimals and Whole #'s
M64  Decimal (and Whole #) Jeopardy
M65  Adding Decimals Practice
M66  Adding Two Decimal Digits
M67  Circle 3 Game Adding With Decimals
M68  Subtracting Decimals Practice
M69  Subtracting One Decimal Digits
M70   Making Change (Subtracting & Counting)
M71  Change Maker (Subtracting Decimals)  
M72  Subtracting Decimals Worksheet Practice
M73  How Do I Multiply Decimals? 
M74  Multiplying Decimals (1 decimal digit)
M75  Multiplying Decimals (2 decimal digits)
M76  How Do I Divide Decimals? 
M77  Long Division with Decimals Explained  
M78

 Decimal Operation Football (+, -, x, ÷)

M79

 Multiply & Divide Decimals Quiz

DIVISIBILITY, PRIME & COMPOSITE

M80  What are the Divisibility Rules? (w/7)
M81  What are Factors, Prime & Composite #'s?
M82  Prime or Composite?
M83  Prime Number Tester
M84  Prime #'s and/or Prime Factorization Practice

MULTIPLES and LCM

M85  Multiples and Least Common Multiple (LCM) Explained
M86   Pumpkin Multiples

FRACTION UNDERSTANDING

M87  Shading in Fraction Portions
M88  Parts of a Whole
M89  Visualizing Fractions
M90  Naming Fractions
M91  Estimate Fractions on a # Line ("FIND GRAMPY!") 
M92

 Equivalent Fraction Tool I

M93

 Equivalent Fractions I

M94

  Making Equivalent Fractions II

M95

 Equivalent Fractions

M96

 Equivalent Fraction Matching

M97

 How Do I Reduce a Fraction?

M98

 Reducing "simplifying" Fractions

M99

  Reducing To Lowest Terms

M100

  Equal Fractions "Fraction Frenzy"(Try to break Mr. Hoffman's best Score = 130,770)  

M101

 Mixed Number Interactive Model

M102

 Changing Improper #'s to Mixed #'s

M103

 Changing Mixed #'s to Improper #'s.

M104

 Comparing Fractions Using >, <, = I  

M105

 Comparing Fractions Using >, <, = II

M106  Comparing Fractions
M107  Comparing with Equivalent Fractions
M108

 How Do I Compare & Order Fractions?  

M109  Ordering Fractions "Interactive"
M110

 Mixed Numbers on a # Line

M111  Fraction Pointer: Fractions on # line

FRACTION OPERATIONS

M112  How Do I Add Fractions That Have Different Denominators?
M113  Adding with Uncommon Denominators
M114  Adding (must reduce answer)
M115  Subtracting with Uncommon Denominators
M116   Add/Subtract Same & Diff Denominators "Action Fraction Race Game"
M117  Adding & Subtracting Fraction Quiz  
M118  Multiplying with Reducing
M119  Multiplying (must reduce answer)
M120  How Do I Find A Fraction of a Number?
M121  Fraction of A Number Puzzle Reveal
M122  Multiplying Fraction by Fraction & Whole #
M125

 Dividing Fractions Explained

M126

 How Do I Divide Fractions? (cool new way here)  

M127

 Dividing Fractions by Whole #'s

M128

 Dividing Fractions by Fractions

M129

 Dividing Fractions by Fractions II

M130

 Dividing with Mixed #'s

M131

 All Fraction Operations (+, -, x, ÷)

FRACTIONS TO DECIMALS

M132

 Fraction-Decimal Equivalent Matching

M133

 Converting Fractions to Decimals

M134

 Equivalent Fraction & Decimal Bandit

RATIOS & PROPORTIONS

M135  Determining Ratios
M136  Test Proportionality: The Product of Means = The Product of Extremes

PERCENTS

M137

 Understanding Percent

M138

 Convert Decimals to Percents

M139

 Convert Percents to Decimal

M140

  Percent-Fraction-Decimal Equivalents "Decention Game"

M141

 Fraction- Percent Equivalent Matching

M142

 Percent Quiz

M143

 Percentage Pie Charts (making)

M144

 % of a Number  

M145

 Fraction to Percent Converter (and visual)

ALGEBRA UNDERSTANDING

M146  Pattern Completion
M147  Complete The Pattern
M148  Function Machines
M149  Function Machine Practice
M150  What's My Rule?

ALGEBRAIC EQUATIONS

M151  1 Step Add and Subtract Equations
M152  1 Step Multiplication and Division Equations
M153  Guess The Number (1 step)  
M154  INTERACTIVE BALANCE for 2 Step Equations
M155  Guess The Number (2 step)
M156   Solving 2 Step Algebraic Equations "Mission Algebra Challenge" 
M157  2 Step Algebraic Equations
COORDINATE GRAPHING
M158  How the Coordinate System Began
M159  Coordinate Graphing (Quadrant I only)
M160  Large Coordinate Graphing (Quadrant 1 only)
M161  Coordinates in Quadrant I ("Find Hurkle")
M162   Billy Bug Coordinate (Quadrant I only)
M163   Billy Bug Coordinate (Quadrants I, II, III, IV)  
M164

 

  Catch The Fly (Quadrants I,II,III,IV) 
M165   Locate The Aliens (Quadrants I, II, III, IV)
M166  Coordinate Graphing (Quadrants I, II, III, IV)
M167  Coordinate House Game (four quadrants)
M168  Coordinate Maze Game (four quadrants)

GEOMETRY INTRODUCTION

M169  Geometry Terms Flashcards
M170  Geometry Terms Matching
M171

 Geometry Vocab Picture Flashcards

M172

 Geometry Vocab Picture Flashcards II

M173

 Angles (play, read, quiz)

M174

 Introduction to Angle Matching

M175

 Guess the Random Angle

M176

  Banana Hunt Angles 
M177  Estimating Target Angles
M178  Measuring Angles with a Protractor
M179  Alien Angles
M180  Angle Quiz
M181  Naming Polygons
M182  Polygons: How Many Sides?
M183  Geoboards (Interactive)
M184  Geoboard (Virtual Pinboard)
M185  Naming Polygons & Polyhedra (Explained)
M186  Tangrams, Tangrams, Tangrams (Puzzle with a difference)
M187  Tangram Interactive Puzzles
M188  Design Your Own House Plan

GEOMETRY, AREA & PERIMETER

M189  Showing Area of Rectangle
M190  How Do I Find The Area of a Triangle?
M191  Area of a Parallelogram Interactive Tool
M192  How Do I Find The Area of a Trapezoid?
M193  Area & Perimeter
M194  Area and Perimeter "Design A Party" 
M195  Area Flashcards 

GEOMETRY, CIRCLES

M196  World Record for Memorizing π
M197  First 1,000 Places of π, Student Record Holders, Poems
M198  Circumference and Diameter
M199  Circumference (proving Pi)
M200  Circumference & Diameter Relationship Interactive
M201  Area of a Circle

M202

 Volume of Cylinders

STATISTICS

M203  Venn Diagrams 
M204  Venn Diagrams with Shapes 
M205  Create A Graph
M206  Bar Graphs Interactive
M207  Line Plots Explained  
M208  Line Plot Interactive
M209  Frequency Table Interactive
M210  Data Picking (Frequency Table)
M211  Mean Runners  
M212    Grumpy Medians (to show Median)
M213  Mean vs. Median Interactive Tool
M214  Train Race (mean, median, range)
M215

 Statistics Quiz I

M216

 Statistics Quiz II

M217

 Statistics Quiz III

PROBABILITY

M218  Spinners
M219  Probability Fish Tank
M220  Probability Quiz
M221  Game Probability Quiz
M222  Probability Trial Runner Interactive
M223  Theoretical vs. Experimental Probability Interactive Runner
M224  Stick or Switch?
M225   Game of Pig

ALGEBRAIC REASONING/PUZZLES   

M226

  Algebra Scales

M227

  Algebra Puzzle: Can You Solve It?

M228

  Weigh The Wangdoodles

M229

  SeeSaw Logic Scales

M230

  Leapfrog

M231   Peg Puzzle
M232

 

  Mastermind

M233

  Fill and Pour

M234

  Coin Weighing

M235

  Coin Balance  

M236

  Crack the Code

M237   Color Patterns
M238   Krypto
M239   Planarity (move vertices so no lines intersect)

HSQ

 Hoffkids Science Questions    
      ECOLOGY    
S1  Live Cams: Smithsonian National Zoo (16 animals)
S2  Live Marine Cam: Penguins, Kelp, Otter, Outer & Monterey Bay
S3  Biotic vs. Abiotic factors (explained)  
S4  Animals (Characteristics, Habitat, Diet, Behavior)
S5  Animals, Animals, Animals
S6  Population
S7  Limiting Factors (on Population)
S8  Ecosystems
S9  Migration
S10  Habitat
S11  Habitat/Population//Community/Ecosystem (colorful display)
S12  Non-Living Factors interactive
S13  Photosynthesis
S14  Photosynthesis interactive
S15  What is Carbon Dioxide (CO2)?
S16  Chemosynthesis explained
S17  Niche
S18  The Water Cycle video   
S19  The Water Cycle interactive labels
S20  The Water Cycle (cartoon video, hit PLAY VIDEO)
S21  The Water Cycle interactive 
S22  The Water Cycle explained
S23  Evaporation & Condensation of Water Cycle interactive
S24  The Water Cycle (In-Depth Explanation)
S25  Water Cycle Matching/Flashcard/Concentration
S26  Animal Adaptations ("Meeting Needs") interactive game
S27  Structural and Behavioral Adaptations
S28  Coloration (A Structural Adaptation)
S29  Deceptive Coloration
S30  Advertising Coloration
S31  Animal Adaptations Game
S32  4 Types of Camouflage Game
S33  Weather vs. Climate
S34  Food Chains interactive
S35  Food Chains (3 pages)

S36

 Sea and Land Food Chain explained
S37  Food Chains Quiz
S38  Food Chains Quiz II
S39  The Food Chain Game
S40  Interactive Food Webs (meadow, arctic, pond)
S41  Decomposers
S42  Decomposers and Scavengers
S43  Decomposers and Scavengers Quiz
S44  Virtual Owl Pellet Dissection (interactive)
S45   CHAPTER 1 PRACTICE QUIZ (English)    (Spanish)
S46   CHAPTER 1 ANOTHER PRACTICE QUIZ!
S47   CHAPTER 1 AGAIN ANOTHER PRACTICE QUIZ!
S48   CHAPTER 2 REVIEW CARD MATCHING
S49   CHAPTER 2 PRACTICE QUIZ (English)   (Spanish)
S50  Introduction to Biomes
S51  World Biomes interactive
S52  Energy Pyramids interactive
S53  Energy Pyramid (explained)
S54  All About Lichens
S55  Secondary Succession interactive 
S56  Ecological Succession (explained) 
S57  Ecological Succession
S58  ECOLOGICAL SUCCESSION HOMEWORK
S59   CHAPTER 3 REVIEW CARD MATCHING
S60   CHAPTER 3 PRACTICE QUIZ (English)      (Spanish)
S61   CHAPTER 3 ANOTHER PRACTICE QUIZ!

S62

 Current U.S. Population
S63  WCS (Wildlife Conservation Society)
S64  All About Fossil Fuels
S65  Ground Water Pollution interactive
S66  Ozone Layer Depletion
S67  Hybrid Cars interactive
S68   CONSERVATION (CHAPTER 4) PRACTICE QUIZ !
S69   CONSERVATION (CHAPTER 4) INTERACTIVE TUTOR (Drag & Drop Puzzle)
S70  Unit Ending H.W. (.pdf file).
LAB SAFETY & EQUIPMENT

  

S71  Explore Virtual Chemistry Lab Safety (20 min. interactive)  
S72  Reading Volume with Graduated Cylinders (explained)
S72.1  Reading Volume of Graduated Cylinders Part II (.pdf)
S73  Triple Beam Balance (interactive tutorial)
S74  Triple Beam Balance Practice Weighing

MEASUREMENT

S75  Measuring and Drawing with Metric Ruler H.W. (.pdf) 
S76  Measuring Lines in mm and cm (.pdf)  
S77  The Ruler Game (inches) 
S78  Measuring Practice (Metric & U.S. Customary)
S79  Interactive Ruler Measuring (cm and mm conversion)
S80  Can You Explain The Metric System?
S81  About the Metric System (.pdf) 
S82  Convert In Metric System Fun Quiz
S83  Metrics Millionaire
S84  U.S. Customary Equivalent Matching
S85  U.S. Measurement Conversion Matching
S86  Measurement Hangman U.S. Customary Units
S87  Measurement Hangman   
EXPERIMENT SKILLS
S88  "Tiger Face" &   "Find the Face"  Optical Illusions (observation skills)                               
S89

 

 SPOT THE DIFFERENCES... (observation skills)

 #1 (with levels)         #2 (6 differences)       #3 (timed)     #4 (odd one out)

S90  Inference "Tracks H.W." (.PDF)
S91  Observation vs. Inference H.W. (.pdf)
S92  Scientific Method: What is it? Who invented it?
S93  Scientific Method Flash Cards
S94  Scientific Method Matching Game
S95  "Examining 3 Experiments" 
             CHEMISTRY       
CHAPTER 1
S96  Volume (regarding matter)
S97  Volume of Rectangular Prisms (counting cubes)
S98  Volume of Rectangular Prisms interactive
S99  Water Displacement H.W. (.pdf)
S100  Calculating Density explained
S101  Density Floating INTERACTIVE LAB (un: hoffkids   pass: hoffkids) 
S102  Why a Boat Floats, but an Elephant Sinks (buoyancy)
S103  Buoyancy Basics
S104  States of Matter (red, animated, great chart)  
S105  States of Matter (Animated)

S106

 Plasma State of Matter

S107

 Heat interactive

S108

 Temperature vs. Avg. Kinetic Energy (interactive)

S109

 Changing States of Matter interactive
CHAPTER 2

S110

 Separating Mixtures interactive
S111  The Atom Model
S112  Atomic Structure Animated

S113

 The Atom Understanding interactive

S114

 Orbiting Electrons in Periodic Table  
S115  The Element Song .mp3 Audio 1- Tom Lehrer                        
S116  The Element Song .mp3 Audio 2- Tom Lehrer  
S117  The Element Song .mp3 Audio 3- Tom Lehrer  
S118  The Element Song ANIMATED!
S119  The Element Song Lyrics
S120  Dmitri Mendeleev  (1834-1907; atoms & periodic table)
S121  Match Element Symbol w/Name  
S122  Match Element Name w/Symbol  
S123  7 Digital Periodic Tables of Elements  
S124  Hydrogen Peroxide- HOW STUFF WORKS
S125  What is Carbon Dioxide (CO2)?
S126  What is Carbon MONOXIDE (CO) Poisoning? Silent Killer
S127  What is Sulfuric Acid (H2SO4)? 
S128  Solutions
S129  Solutions Fun Quiz
S130  Chemical vs. Physical Change
S131  Physical or Chemical Change? (fun quiz)
S132  Physical or Chemical Change? (Part 2 quiz)

 

 SOUND     

S133

 Sources of Sound Module 

S134

 Sources of Sound Module Questions  

S135

 How Sound Reaches You interactive

S136

 Speed of Sound in Solids, Liquids, & Gases Explained
S137  Loudness Module
S138  

 Loudness Module Questions

S139  Pitch Module
S140  Pitch Module Questions

S141

 Sound Wave Labeled Parts (and animation)
S142  Waves: Frequency, Amplitude, Wave Length (interactive boat)
S143  Sound Wave (Animated)

S144

 Ocean Odyssey Interactive Sound Game (takes about 30 min) 
S145  Decibel Audio Chart
S146  Decibel Chart
S147  Doppler Effect (animated Ambulance, no sound)
S147.1  Doppler Effect (Glog)
S148  Sound Overview (with moving waves and ear)
S149  Sound Flashcards
S150  Practice Sound Quiz
S151  Practice Sound Quiz II

  STATIC ELECTRICITY       

S152  Static Electricity Explained
S153  List of Materials & Charges Creating Static Electricity
S154  What is Lightning?   

              MAGNETISM  

S155  Magnets and Compasses interactive
S156  Electron Movement in Ferromagnetic Material animated
S157  Magnetic Forces Module
S158  Magnetic Forces Module Questions

S159

 Attraction and Repulsion Magnetic Field Lines

S160

 The Magnetic Field  

S161

 10 Facts about Magnets

S162

 Magnetic Field Lines

     CURRENT ELECTRICITY 

S163  Electricity Safety Interactive

S164

 How a Battery Works interactive

S165

 Electron Flow in Electricity (animated)
S166  Electricity Interactive I Explained
S167  Electricity Interactive 2 Explained
S168  Virtual Electricity Lab!  (TO WORK, THIS HAS TO BE DOWNLOADED FOR WINDOWS USERS ONLY.  Click on  VLabs_Electricity_Setup.exe file)   
S169  Thomas Edison Biography (1847-1931; light bulb)
   MOTION & FORCES
S170  Relative Motion: Viewpoint
S171  Friction Module
S172  Friction Module Questions
S173  Sir Isaac Newton Biography (1642-1727; laws of motion)     Model Shoot
S174  Newton's 1st Law of Motion: Truck & Ladder animated
S175  Newton's 1st Law of Motion: Car & Wall animated
S176  Newton's 1st Law of Motion: Hammer animated
S177  Force vs. Acceleration Bobsled interactive
S178  Mass, Force, & Acceleration interactive 
S179  Baseball vs. Bat interactive
S180  Newton's 2nd Law of Motion (F = m x a) Animated  
S181  Newton's 2nd Law of Motion in Free Fall: Elephant & Feather animated
S182  Newton's 2nd Law of Motion with Air Resistance: Elephant & Feather animated
S183  2 Balls' Collision Lab (gravity, friction, mass)
S184  Design a Rollercoaster   
S185  Roller Coaster: Kinetic vs. Potential Energy
S186  Design a Rollercoaster and Get Feedback
S187  Newton's Cradle INTERACTIVE (3rd Law)  
S188  Newton's Cradle Explained (3rd Law) 
S189  Quiz on Newton's 3 Laws of Motion

S190

 Centripetal Force and a Carousel 
S191  Centripetal Force
S192  Centrifugal Force
        ROCKETS      
S193  Parts of a Model Rocket
S194  Newton's 1st Law Applied to Rocketry 
S195  4 Forces on a Model Rocket
        SCIENCE GRAB BAG             
S196  Latest Port Washington, New York, weather conditions and forecast  

S197

   Measurement Converter 

S198

 World Clock 

S199

  Symbols & Abbreviations

S200

   

S201

 Science News    

S202

   

              

              

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