Created by the University of Florida and Study Edge, Math Nation is a full curriculum for 6th-8th grade math, Algebra 1, Geometry, and Algebra 2. Math Nation also includes exam prep for PSAT, SAT, and ACT. Math Nation provides resources for students, teachers, and families including standards aligned videos, digital textbooks, digital practice tools and an interactive math wall where students can receive help after school and on the weekends! Show What’s NewAug 18, 2022 Version 7.0.0 - Bug fixes and improvements. Ratings and Reviews
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Vincent Selhorst-Jones Answer Guide: Test 1, Section 7 (Math) Slide Duration: Table of Contents Section 1: Introduction Intro 0:00Legal Disclaimer 0:09What Is the SAT? 0:17Standardized Test Used in College Admissions Administered by The College Board 0:19Why Do You Care? 0:44What About Those Other Tests? 1:27Makeup of the SAT 2:05Three Different Categories: Writing, Critical Reading, Math 2:22Writing Category is Special- It Has the Essay Section 2:59Timing of the Sections 3:09Writing 3:11Critical Reading 3:16Mathematics 3:20Total of 60 Minutes for Writing and 70 Minutes on Critical Reading and Math 3:22The Experimental Section 3:45This is an Extra 25 Minute Section 3:51Do Not Try to Skip This Section 4:09This is For College Board to Test Out New Questions 5:07Order of the Sections 5:21First Section: Essay 5:28Eighth and Ninth Sections Are Short Critical Read and Math 5:36Last Section: Short Writing 5:48Visual Interpretation of the Ordering of the Sections 5:54Scoring the SAT 6:42Raw Score 6:52Two Graders Read Your Essay 9:06The 800-Point Scale 9:19Distribution of Scores 10:18Percentile 11:34Taking the SAT 12:06Register Online 12:07Make Sure You Register in Advance 12:21Intro 0:00Legal Disclaimer 0:06Introduction 0:15Pacing 0:35Skipping a Question 0:48Educated Guess 0:59Preparing and Studying 1:09Course is Designed to Teach Specifically the SAT 1:29Answering Test Questions 1:59Multiple Choice 2:06Student-Produced Responses 2:21Tests Given in Schools Tent to Use Both Methods 3:00Multiple Choice Questions Are Easier to Answer 4:12Standardized Tests, Ahoy! 4:52SAT is Most Commonly Taken Standardized Test 4:53Course Focus 5:07Look Into Prep Materials 5:24Standardized Test Petting Zoo 6:16Tests Similar to SAT: PSAT and NMSQT 6:26ACT 7:46Subject-Specific Tests 9:20SAT Subject Tests (SAT II) 9:27AP Tests 10:24IB Exams 10:57College and Post-College Tests 11:25GRE 11:48GRE Subject Tests 12:27Specialized Tests 13:26MCAT 14:00LSAT 14:22GMAT 14:38Studying for the SAT 36m 6s Intro 0:00Legal Disclaimer 0:15Practice, Practice, Practice 0:24Seriously: You Must Practice 1:00If You Want to Improve 1:24The Book 1:47The Official SAT Study Guide 1:49Has Ten Full Real SAT Tests 2:23Optional Equipment 4:21Answer Key 4:27Clear Explanations for Answers 4:42Optional: Answer Explanations 5:00How to Use This Course 5:57Learn General and Specific Strategies 6:11Practice Those Strategies 6:19Identify Weak Areas and Focus on Those 6:30Section-Specific Lessons 6:44Timetables for Studying 7:57One Week Until the SAT 9:31One Month Until the SAT 12:25Two or Three Months Until the SAT 15:52Six Months Until the SAT 19:35Two or More Years Until the SAT 24:31Life is Full of Learning Opportunities 34:05Section 2: Strategy General SAT Strategy, Part 1: Taking the Test 22m 54s Intro 0:00Disclaimer 0:32A Common Misconception 0:42Your Goal is to Get the Highest Score You Can 0:50Pacing 1:19Every Problem is Worth the Same Number of Points 2:02Skipping Questions 2:47You Should Skip Questions 2:58Writing in the Test Booklet 3:31Cross Out Wrong Answers, Take Notes, Work in Margins 4:02Instructions - Who Needs 'Em? 4:49Pay Attention to the Time 5:42Clocks 5:56Watch 6:16Increasing Difficulty 6:31Exception: Reading Comprehension Section is Not Ordered by Difficulty 7:25Budget Less Time for Questions at the Start of a Section 8:02Be Prepared to Skip Questions 8:22Guessing 9:09Why Blindly Guessing Will Not Help Your Score 9:25Educated Guessing 10:39How This is Beneficial 10:48You'll Almost Always See a Wrong Answer Right Away 12:16Eliminating Wrong Choices 13:08Some Questions, It's Easier to Find the Four Wrong Choices than to Look for the Correct Answer 13:20If You're Unsure, You Can Make an Educated Guess 14:16Last Couple Minutes 15:16Do Easy Questions You See 15:51Finishing with Extra Time 17:07Cannot Go Back to Other Sections 18:15Goal Scores 18:58Example 19:12Example: You Have 11 Freebie Questions to Skip 20:17Questions and Answer Service (QAS) 21:14What Is QAS 21:29Only Offered a Few Times Each Year 22:10General SAT Strategy, Part 2: Equipment 24m 47s Intro 0:00Legal Disclaimer 0:09The Absolute Necessities 0:18Admission Ticket 0:28Photo ID 0:50No. 2 Pencils 1:36Why is it Called a No. 2 Pencil 1:47What NOT to Bring 2:49Cell Phones 3:08Computers 4:58Anything Electronic 5:35Anything That Captures Images or Audio 5:56Books, Magazines, or Any Written Materials 6:40Mechanical Pencils or Pens 8:09Calculator Three Approved Types of Calculator 10:10Calculators That Are Not Approved 10:46The 'Best Calculator 12:49Graphing Calculators Can Be Useful 13:52When It's Worth It To Buy One 14:41Watch 16:18Get a Digital Watch 16:27No Audible Alarm 16:44If Your Watch Makes a Noise, You Can Be Dismissed 17:14What If You Get a Proctor Who Carefully Checks Your Watch? 18:17If You Really Want a Silent Watch, Try This Trick 19:27Optional Equipment 21:01A Drink, Snack, Bag/Backpack 21:10Backup Batteries for Calculator, Pencils, Eraser 22:19General SAT Strategy, Part 3: You & the SAT 31m 47s Intro 0:00Legal Disclaimer 0:08You and the SAT 0:16Endurance 1:06Consider the Following 1:20Total of 5 Hours 2:19Practice, Practice, Practice 3:05Practice tests Are Important Because They Let You Try New Strategies 3:28Concentration 4:08Focus on One Thing 5:14Focus on the Question You Are Working On and How Much Time is Left 5:52Stress 6:44The SAT is Just One Element of Your College Application 7:25Scoring Well Can Help You Down the Road 9:02Low-Level Stress Can Help Keep You Alert 9:30Massive Amounts of Stress and Fear Will Adversely Affect Your Performance 9:52Relaxation Techniques 10:21Practice 10:41Breathe 11:21Positive Thoughts 12:17Focus On Yourself 13:03Look Forward to Something 13:54If You Stress and If You Don't… 14:56Your Body: Sleep 16:428.5 - 9 Hours of Sleep 17:06Your Body: Posture 19:45Some Good Posture Helps You Think and Improves Memory 19:57Your Body: Diet 21:49Get a Healthy, Balanced Diet 22:16Get Some Protein 23:20Your Body: SAT Snack 23:53Your Body: SAT Drink 25:16Limited Bathroom Breaks 26:14Clothes 27:39Dress Comfortable in Any Temperature 27:54Wear Comfortable Clothes 28:25A Shower a Day 28:55Keep a Clear Forehead 29:19If You Have Long Hair 29:42If You Have Short Hair 30:00Section 3: Critical Reading Introduction to Critical Reading 14m 17s Intro 0:00Legal Disclaimer 0:09Welcome to Critical Reading 0:18The Breakdown 0:42Two Subsections 0:46Sentence Completion 1:03Passage-Based Reading 1:13Increasing Difficulty… Sorta 1:23Sentence Completion Questions Are Ordered by Difficulty 1:44Passage-Based Reading Section is Not Ordered by Difficulty 1:59Composition of Questions 2:46Critical Reading Section Questions 3:29Anatomy of a Sentence Completion Question 3:44Example: Sentence Completion 3:59Anatomy of a Reading Question 4:58Majority of Questions Will Reference a Specific Part of the Passage 5:23Example 5:50Order 6:26That's Not the Only Way to Do It Though 6:55The Best Strategy 7:43Read! 8:03What to Read? 8:54Get in the Habit of Reading Books 9:47Level of Reading 11:30Find Something That You Want to Read 12:18Critical Reading: Sentence Completion 38m 43s Intro 0:00Legal Disclaimer 0:11Introduction 0:21What We're Going to Discuss 0:32The Best Choice 0:53Read All Choices Before Deciding on English Questions 1:42Sometimes the 'Best' Choice is the Least Bad One 2:05Read, Understand, Guess 2:54Understand the Sentence Before you Start Considering Vocab Words 3:19Make a Guess! 3:49Positive / Negative / Neutral 4:44Figure Out If the Blank is a Positive, Negative or Neutral Word 5:23Eliminating Wrong Choices 6:43Cross Out Choices That Definitely Don't Fit 6:46Process of Elimination 7:29Read the Sentence Using Your Choice 8:04This is a Great Way to Eliminate Wrong Choices 8:41Educated Guessing 8:59You Can Almost Always Eliminate At Least a Couple of Choices 9:34Double Blanks 10:03Both Words have to Fit 10:07This Can Be Used to Your Advantage 10:28Negation 11:06Examples 11:11Pay Attention to Double Negation 11:57Clue Words & Question Types 12:14Pay Attention to 'Clue Words' 12:24Clue Words 12:48Contradiction / Opposition 12:50Similarity / Support 14:16Logical Connection / Cause and Effect 14:57Three Major Types 16:04Question Types 17:03Definition / Example 17:15Example 18:53Contrast 19:28Example 19:51Correlation 20:44Example 21:03Logical Argument 21:51Example 22:35Review 23:37By Paying Attention to Clue Words, You Can More Easily Figure Out Which Question Type You're Looking At 25:37Vocabulary 26:48Prefixes, Suffixes and Root Words 27:22Examples 27:56Know Your Prefixes and Suffixes If You're Going to Use This Strategy 29:01Vocabulary: Etymology 29:38What is It? 29:51How can It Help? 29:59Word Histories Can Be Interesting 30:46Example 31:20Online Etymology Dictionary 33:56Cram Lists 34:46Resources 35:47Read! 37:23Critical Reading: Passage-Based Reading 30m 37s Intro 0:00Legal Disclaimer 0:11Introduction 0:20Talk More About the Building Blocks of Passage-Based Reading 0:56Types of Passages 1:09Short Passage Is About 10-15 Lines Long 1:14Long Passage is About 50-100 Lines Long 1:28Double Passage 2:11Read the Italics! 3:03Some Questions Can't Be Answered Without Reading the Italics 3:33Reading Skills: They Matter 3:52Improve Reading Skills by Practice Reading 4:21'Best' Choice 5:46Read All the Choices 5:56Best Doesn't Mean Perfect 6:12Other Words for 'Best' 6:47Look for a Choice That's Better Than the Others 7:47Questions by Order 8:36The Questions Usually Help You Find Where to Look in the Text by Giving the Line Number 9:05Help! No Line Number! 9:42Questions About a Specific Reference in Text 10:22Consider These Questions 10:36Order of Questions 11:09Sometimes, You'll Be Asked About the Passage as a Whole 11:59These Questions Come After Questions About Specific References 12:27General and Specific Reference 12:47Read Before and After Reference 13:25You Need Context, Not Just Reference 13:44Use the Passage! 14:41The Answers Are in the Passage, No Outside Knowledge Needed 15:12Should be Able to Point Out Your Evidence in the Text 15:43Every Answer Must Come from the Text 16:07Keep It Simple 16:32The Farther You Get From the Reference, The Less Likely to Find the Answer 17:00Example 17:14Keep It Calm 18:13Passages Are Calm and Responsible 19:08What's the Author Saying? 19:45Double Passage and Author Viewpoint 20:48Figure Out What Each Author's Main Point Is 21:34Need to Know the Essence of Each Author's Argument 21:43Eliminating Wrong Choices 22:24Necessary for Critical Reading Questions 22:56Short Tips 24:00Quote 24:18New Idea: Chunking 24:34Sarcasm 24:56Why Is There Quotes Around a Word(s)? 26:08Positive Light on Minority Group Questions 26:10Careful on Double Passages 27:47Answer to a Question is Unlikely to Contradict Established Facts 28:47Critical Reading: Reading Strategies 36m 34s Intro 0:00Legal Disclaimer 0:12Introduction 0:22Stay Positive: Yourself 0:55'Whether You Think You Can or You Think You Can't - You're Right' 1:16Get the General Idea 2:03Stay Positive: The Passage 2:51If You Convince Yourself It's Interesting, It'll be Easier to Understand and Read 3:23What Makes Reading Hard? 4:34Understanding 4:39Focus 4:59Strategy: the Default 6:43Read the Passage from Start to Finish, Then Answer Questions in Order 6:53Good Strategy for Strong Readers Who Find it Easy to Focus 7:08Write While You Read 7:55Takes Notes 8:10Underline Important Ideas 8:13It Keeps You Aware of What's Important in the Text 8:40It Gives You Something to Actively Do 9:12Strategy: Chunking 9:54Break the Passage into Smaller Pieces 10:10Draw Lines on Your Paper to Divide Each Chunk 11:24Keep Summary Short 11:58Summarize the Whole Passage 13:16Answer Questions 13:58Pros 14:24Cons 15:58Strategy: Treasure Hunt 17:39Read Italicized Introduction to the Passage But Don't Read the Passage Yet 17:54Skim Questions for Lines with Passage Reference 18:09Mark the Line Reference in the Passage 18:27Flip Back to the Corresponding Questions When You Get Near a Mark 19:27Continue Reading With the Question in Mind 19:56Pros 21:06Cons 22:33Special Strategy: Double Passages 24:07How to Read Two Passages at Once 24:51Special Strategy: Smash and Grab 25:47Skip Reading the Passage and Find a Questions About a Specific Line Reference 26:11Pros 27:21Cons 27:35Terrible Strategy: Keep Track of Your Time! 28:37Practice 29:25Figure Our Your Strategy 31:33There is No 'Best' Strategy 31:41Practice Reading 33:06Any Reading Material That You Find Interesting and Slightly Challenging is Great 33:52Section 4: Writing Introduction to the Writing Section 26m 37s Intro 0:00Legal Disclaimer 0:12Welcome to Writing 0:21How Important Is the Writing Section? 0:55It's Important, But It's the Least Important of the Three Sections 1:08Colleges View Score 1:30The Writing Section Matters 2:17If Your Score is 80+ Points More Than the Other Sections, Focus on Writing 2:46Why Colleges Care So Little About the Writing Section 4:10A Caveat 8:06You're Applying to a School with a High Number of Applicants 8:38You're Not a Native English Speaker 14:13How is The Writing Section Set Up? 15:26Three Different Writing Sections 15:37Two Distinct Types That the Writing Section Comes In 15:54The Essay 16:38How It's Scored 17:12The Grammar Subsection 17:35Improving Sentences 17:43Identifying Sentence Errors 18:32Improving Paragraphs 18:52Composition of the Writing Section 19:42Breakdown of the 49 Questions 19:50The Order 20:36Scoring the Writing Section 21:16Have Someone Else Look at the Scoring Guidelines and Then Score Your Essay 23:19Read 25:03Writing: The Essay 1h 10m 10s Intro 0:00Legal Disclaimer 0:06Introduction 0:15The Essentials 0:51Passage 0:56Assignment 1:0725 Minutes to Write Your essay 1:39The Official Scoring Rubric 2:05Score of 6 3:00Score of 1 3:22Look in the Essay Section of SAT Book for More Specific Scoring Rubric 3:58The Reality of Scoring 4:40You Can Write a Simplistic, Formulaic Essay That Will Still get a Pair of 6s 5:32Why? Because the Readers Spend Two or Three Minutes Per Essay 6:41This Mean You Want Your Essay To Follow the Formula for Writing Essays 7:49Quantity Over Quality 9:34'History is a Set of Lies Agreed Upon' 11:02Write Legibly 12:43Try and Write Bigger 13:36Do Not Write About Something Other Than The Assignment 14:59Clearly Choose One Side 15:59Make Your Thesis Obvious 16:20Never Try to Argue Both Side 16:54Do It Even If You Disagree With the Prompt 17:12Time Management 18:21Divide Up Your Time As Follows 18:35Structuring Your Essay 20:18Use the Same Formula As In Middle School 20:55Finish Your Essay 22:21Good Idea to Leave Time for Editing at the End 22:49Watch the Clock! 23:29Longer = Better 23:55Longer Essays Tend to Score Higher 23:57Crank Out Massive Amounts of Writing 24:00Practice Writing 25:26Like Any Skill, Practice! 25:39Sit Down Every Day and Give Yourself Ten Minutes to Write as Much As You Can 26:16Hook Sentence 27:01A First Sentence That Captures the Attention and Interest of the Reader 27:08Hook Sentence is Different From a Thesis 27:25A Good Hook is Anything Interesting That Connects to Your Essay 28:09Surprise, Humor, Style 28:32Transitions 30:27Use When You Change From One Idea to the Next 31:42Especially Important When You Change Paragraphs 31:47Also Want Transition Between Hook Sentence and Thesis 32:32Transition Can Be Complex, Funny, or Interesting 33:18Basic Examples 33:47Use Big Word 35:11Use Two or Three Complex Words to Make You Look Smart 35:15Examples of Complex Synonyms for Basic Words 35:59Examples: Evidence to Support Thesis 38:38Use Examples That Show How Your Thesis Is Correct 38:41Each Body Paragraphs Should contain One Major Example That Connects to Your Thesis 39:05Examples: What Kind? 39:40Bet Kind of Evidence for the SAT 40:13Examples: Don't Use the Passage 42:58Why? The point of The Examples is To Show Your Creativity and Ability to Connect Ideas 43:54Examples: Counter-Arguments 45:06This is The One Time It's Ok to Use the Prompt's Text Passage 46:33Examples: False Examples 47:08To Lie or Not to Lie, That Is The Question 47:10In Theory You Could Write 48:19In Reality You Could Write 48:55You Can Make Extremely Strong Arguments If You Make Up All Your Evidence 50:17To Quote Mark Twain 50:35If You Find Yourself in a Bing and You Really Need One More Example 51:20Example: What Do You Know? 52:09Notice That A Lot of Examples Can Be Used in a Variety of Situations 52:46Exercise 54:05Overview: The Formula 1:02:44Brainstorm - 3 Mins 1:02:54Write - 20 Mins 1:04:47Edit 2 Mins 1:07:13Multiple-Choice Grammar 23m 31s Intro 0:00Legal Disclaimer 0:06Introduction 0:15Formal, Written English 1:45Written Section Tests You on Formal, Written English 1:46Avoid Colloquialisms and Certain Kinds of Everyday English 2:21Beware Rising Difficulty 2:59Easier Questions Will Have Clear Errors in Earlier Subsection 3:30Just Because a Phrase Sounds Unusual Does Not Automatically Mean It's Incorrect 3:56Read Aloud 5:12Read Sentences Aloud When Practicing 5:13Try to 'Hear' the Sentences 5:55Omit Middle Clauses 7:08Omit Clauses in Complex Sentences 7:09Example 7:39Once You Remove the Clutter 8:39Eliminate Wrong Choices 9:22On the Easy Questions, You'll Find the Correct Choice Right in the Beginning 9:34Eliminate Choices as You Notice Errors 9:47Pacing and Skipping 10:2635 Questions on the 25-Minute Section 10:52Skip Difficult Questions 11:01No Error Shows Up Occasionally 11:23Don't Expect Too Many Sentences to Start Off Correct 11:42No Error Shows Up About 20% 12:05Improving Sentences 12:51Question Has Sentence With Part of it Underlined 12:59Choose a Phrase That Will Replace the Underlined Portion 13:27Improving Sentences: Strategies 13:53Read the Whole Sentence 13:56Read the Choices One By One 14:39Pay Close Attention to the Grammar 15:10If you Still Don't Know, Choose One That Sounds Formal and Dry 15:34Identifying Sentence Errors 16:23Figure Out Which Underlined Portion Contains a Mistake 16:56Identifying Sentence Errors: Strategies 18:03Read Each Underlined Portion Carefully 18:19If You Still Can't Find an Error, There Probably Isn't One 18:55Improving Paragraphs 19:33Improving Paragraphs: Strategies 21:31Look At It In Context 22:13Grammar Mistake Petting Zoo 32m 3s Intro Legal Disclaimer 0:07Introduction 0:16Subject-Verb Agreement 1:32Verb Conjugation 1:43Example 1 3:00Example 2 4:02Verb Tense 5:08Past, Present, Future 5:09Example 1 5:54Noun-Pronoun Agreement 6:28Pronoun Replaces a Noun 6:30Example 1 7:49SAT Won't Give an Error That Obvious- Sentences Will Separate the Noun and Pronoun With Other Clauses 8:22Singular vs. Plural 9:06Intervening Clauses Can make it More Difficult 10:32Words Behave Like a Normal Singular Noun Both for Verb Conjugation and for Possession Reference 13:24Pronoun Case 14:48Pronouns with Subject or Object Case 15:54Example 16:20Pay Attention to What Happens in the Sentence 17:18Example 1 17:30Example 2 18:32Parallel Structure 20:21Once a Pattern Becomes Established, It Needs to Be Carried Through the Rest of the Structure 20:26Example 20:36Run-On Sentences 21:01A Run-On Sentence Contains Multiple Independent Clauses 21:03Example 21:19On The SAT, the Sentence Just Tries to Say Too Much 22:18Idioms/ Prepositions 23:15Idiom = Combination of Words That means Something Different From What the Words Would Literally mean 23:19Examples 23:42SAT Does Not Use These Kinds of Idiomatic Phrases 25:02SAT Tests on the Idiomatic Usage of Prepositions 25:21Knowing Which Preposition Means What is Mainly a Matter of Experience 26:44Read Carefully 28:40Sometimes the Error is Very Simple, But Hard to notice If You're Rushing Through 28:45Example 28:59Error Sounds Like What We're Used to Hearing, But Is Incorrect When Written Out 29:31Section 5: Mathematics Math Introduction & Strategy 27m 38s Intro 0:00Legal Disclaimer 0:08Introduction 0:18The Math Section 0:55Most Direct Section 0:56You've Been Exposed to All the Concepts Before 1:09Only One Right Choice is the Answer 3:04Student-Produced Response / Grid-In 3:17Grid-In Questions 3:25Work Out The Answer on Your Own and Enter It Into a Grid on Your Answer Sheet 3:40Section Above the Grid is to Write the Number 4:40Don't Use Mixed Fractions 5:29No Penalty for Wrong Answers 5:58Know Your Math Concepts 6:52Good News: Math Section Tests You on a Variety of Specific Math Concepts 7:23Study! You Need to Know Math 9:04Write Down Unfamiliar and Difficult Questions to Go Back to Later 10:14Write In Your Test Booklet 12:24Your Test Booklet Is Your Scratch Paper 12:44Pay Attention 13:29Sanity Checks: 'Does This Seem Reasonable?' 14:21Know Your Calculator 16:01Calculators Are Great but You Have to Set Up the Problem 16:33Omit Based on Goal Score 17:42If You Want a Score of 650+, Attempt All the Questions 20:16Back Solving 20:42Good for If You Don't Know How to Approach Solving a Given Problem 21:50Replace Variables With Numbers 22:22Try Out Hypothetical Numbers on a Problem if You Find the Variables Too Confusing 22:31Works Best on Problems That Describe a Number or Give Choices That Are All Algebraic Expressions 23:28Choices As Hints 24:48Look For Patterns in the Choices 25:23Math: Common Issues 43m 49s Intro 0:00Legal Disclaimer 0:07Introduction 0:15Word Problems 1:17Make Variables 1:41Make Equations 3:24Example 4:29Draw Pictures 7:42Not Necessary, But a Visual Representation of a Problem Can Help a Lot 8:56If the Problem is Not Drawn to Scale, It Can Help to Draw it to Scale 9:19Area in Pieces 11:08Example 11:16The Idea is Expressed By… 12:50Order of Operations 14:24Parentheses and Brackets 14:50Exponents and Roots 15:20Multiplication and Division 15:26Addition and Subtraction 15:28Algebra 15:58One of the Most Fundamental Ideas in Algebra 16:06Example 16:17Do the Same Thing to Both Sides 17:12Fractions 18:21The Basics: Addition 18:22How to Change the Denominator of a Fraction 19:11The Basics: Multiplication 20:29Fractions Over Fractions 21:31Cross Multiplication 23:05Never Use Cross-Multiplication Again 25:15Substitution 26:45You Have to Replace with the Whole Expression 26:47Solving Multiple Equations 28:05Three Ways to Solve Simultaneous Equations 28:27Substitution 28:56Adding Equations/ Elimination 31:08Graphing 33:41Exponents 35:41Average 36:46Mean 36:55Median 37:13Mode 37:42Example 37:52Percent 39:16Percent Means Per Hundred 39:17Probability 40:23Assume All Possible Outcomes Are Equally Likely 40:24Formula for the Probability of Something Happening 41:03Funny Symbol Questions 41:43Example 42:36Math Concept Petting Zoo: Part 1 33m 2s Intro 0:00Legal Disclaimer 0:06Welcome to the Zoo! 0:14How Does the Zoo Work? 1:03You Will See a Question Based on a Concept 1:04Difficulty is Not Indicative of the Difficulty of Similar Questions on the SAT 1:50What You Should Do 2:23Keep Pen and Paper In Front of You 2:24Write Down Concepts You Don't Know Well 3:23Go Study Those Concepts 3:53Intersection and Union 4:59Intersection 5:16Union 5:29Sequences / Patterns 6:27Pattern for the Example 6:43Even/ Odd Properties 8:35Example Explanation 8:55Primes 10:05Largest Prime Factor of 40 10:15Percent 11:00Example Explanation 11:23Percent Change 12:41Example Explanation 12:58Average: Mean, Median, Mode 14:27Example Explanation 14:46Absolute Value 16:04Example Explanation 16:17Solving Equations for Unusual Things 17:26Example Explanation 17:50Distance = Speed x Time 18:33Example Explanation 18:56Radicals 19:46Example Explanation 19:58Exponents 21:09Example Explanation 21:33Concepts of a Function 23:00Example Explanation 23:17Domain and Range 24:06Domain 24:19Range 25:22Function Transformations 26:21Example Explanation 26:42Expanding Factors (AKA: FOIL) 28:33Example Explanation 29:06Factoring 30:39Example Explanation 30:52Solving Polynomials 31:27Example Explanation 31:41Math Concept Petting Zoo: Part 2 29m 30s Intro 0:00Legal Disclaimer 0:06Return to the Zoo 0:15Equation of a Line 1:55Example Explanation 2:09Perpendicular Slope 3:40Example Explanation 3:53Properties of Angles 4:34Example Explanation 4:47Parallel Lines 6:05Example Explanation 6:16Ratios 7:00Example Explanation 7:16Similar Shapes 8:21Example Explanation 8:40Direct Variation / Direct Proportion 9:53Example Explanation 10:08Inverse Variation / Inverse Proportion 11:25Example Explanation 11:40Pythagorean Theorem 13:00Example Explanation 13:19Special Triangles Example Explanation 14:41Sum of Angles in a Triangle 16:47Example Explanation 16:58Area and Perimeter for a Polygon 18:00Example Explanation 18:10Area and Circumference for a Circle 19:38Example Explanation 19:49Volume and Surface Area 20:46Example Explanation 20:54Probability 24:15Example Explanation 24:45Interpreting Data 26:11Example Explanation 26:27Section 6: The Test Watch the Day Before the Test 10m 39s Intro 0:00Legal Disclaimer 0:06The Day (or Night) Before 0:16Congratulations! 0:59Gentle Reminder: Strategies 1:29Pace Yourself 1:52Eliminate Wrong Choices 2:07Stay Focused 2:29Gentle Reminder: Things to Bring 3:30Admission Ticket 3:35Photo ID 3:39No. 2 Pencils 3:44Calculator 4:12Watch 4:17Do NOT Bring Your Phone 4:34What to Do the Night Before 6:49Make Certain You Have Your Stuff Packed Up 7:33Get to Bed Extra Early 7:41Set an Alarm 7:55Eat a Good Breakfast 8:01Get to the Test Center 15 Minutes Early 8:17Don't Stress 8:29No, Seriously, Don't Stress 9:14The SAT is Important But It Will Not Determine the Rest Of Your Life 9:18SAT Scores Don't Matter Once You're at College 9:33You Got This! 10:06Section 7: Sample Tests Answer Guide: Test 1, Section 3 (Math) 28m 40s Intro 0:00Legal Disclaimer 0:06Answer Guide - Test 1, Section 3 (Math) 0:151.3.1 1:001.3.2 1:581.3.3 2:431.3.4 3:171.3.5 4:201.3.6 5:261.3.7 6:461.3.8 7:441.3.9 8:181.3.10 9:301.3.11 11:031.3.12 13:311.3.13 14:441.3.14 16:151.3.15 16:511.3.16 19:001.3.17 19:561.3.18 21:341.3.19 23:031.3.20 27:20Answer Guide: Test 1, Section 7 (Math) 25m 35s Intro 0:00Legal Disclaimer 0:37Answer Guide - Test 1, Section 7 (Math) 0:461.7.1 1:361.7.2 2:141.7.3 2:541.7.4 4:221.7.5 5:051.7.6 6:251.7.7 7:281.7.8 9:301.7.9 10:591.7.10 11:261.7.11 12:061.7.12 13:031.7.13 15:121.7.14 16:541.7.15 17:591.7.16 18:411.7.17 22:221.7.18 24:13
Answer Guide: Test 1, Section 8 (Math) 21m 31s Intro 0:00Legal Disclaimer 0:06Answer Guide - Test 1, Section 8 (Math) 0:151.8.1 1:021.8.2 1:291.8.3 2:151.8.4 3:021.8.5 4:081.8.6 5:051.8.7 7:231.8.8 8:171.8.9 9:331.8.10 10:011.8.11 10:391.8.12 12:001.8.13 13:081.8.14 15:141.8.15 16:501.8.16 18:19Answer Guide: Test 2, Section 2 (Math) 33m 34s Intro 0:00Legal Disclaimer 0:07Answer Guide: Test 2, Section 2 (Math) 0:152.2.1 1:302.2.2 2:182.2.3 2:472.2.4 3:232.2.5 4:292.2.6 7:102.2.7 7:532.2.8 9:192.2.9 10:162.2.10 12:002.2.11 13:272.2.12 16:232.2.13 17:342.2.14 18:132.2.15 18:552.2.16 21:012.2.17 23:042.2.18 25:352.2.19 26:472.2.20 30:02Answer Guide: Test 2, Section 5 (Math) 37m 21s Intro 0:00Legal Disclaimer 0:07Answer Guide: Test 2, Section 5 (Math) 0:152.5.1 1:302.5.2 1:512.5.3 4:342.5.4 6:212.5.5 8:362.5.6 10:542.5.7 11:482.5.8 13:462.5.9 16:322.5.10 16:532.5.11 18:402.5.12 19:522.5.13 21:212.5.14 22:172.5.15 27:302.5.16 29:532.5.17 32:192.5.18 34:59Answer Guide: Test 2, Section 8 (Math) 28m 46s Intro 0:00Legal Disclaimer 0:10Answer Guide: Test 2, Section 8 (Math) 0:182.8.1 1:412.8.2 2:132.8.3 2:392.8.4 3:442.8.5 4:272.8.6 5:322.8.7 6:312.8.8 8:562.8.9 11:002.8.10 12:552.8.11 15:052.8.12 16:072.8.13 17:042.8.14 21:292.8.15 23:472.8.16 25:00Loading... This is a quick preview of the lesson.
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Math nation geometry practice book answer key section 7
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