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Impact Calculus

Comparative analysis techniques used in competitive debate to weigh competing claims through magnitude, probability, and timeframe. Equips students with frameworks to prioritize arguments and evaluate net benefits or harms.

English Language ArtsPhonics & Reading FoundationsLetter IdentificationLearn Letters A-ZLowercase and Uppercase LettersConsonants and VowelsLetter-Sound AssociationsLetter-Sound Associations: LowercaseLetter-Sound Associations: UppercaseBeginning and Ending SoundsRhymingBlending And SegmentingShort VowelsShort Vowel SoundsConsonant BlendsConsonant DigraphsBlends, Digraphs, and TrigraphsDigraphs, Blends, and Silent LettersLong Vowel SoundsLong Vowel PatternsShort and Long VowelsShort and Long Vowel PatternsSilent EVowel SoundsVowel TeamsR-Controlled VowelsDiphthongs: Oi, Oy, Ou, OwVariant VowelsVariant, Diphthong, And R Vowel PatternsSoft G And CSight WordsIrregular WordsWord RecognitionSyllablesSyllable TypesTwo-Syllable WordsMultisyllabic WordsPhoneme ManipulationDecodable TextsVocabularyAction WordsQuestion WordsNouns and AdjectivesClassify WordsCompound WordsSynonyms and AntonymsHomophonesHomophones and HomonymsShades of MeaningContext CluesPrefixes and SuffixesGreek and Latin RootsAnalogiesIdioms and AdagesForeign Words and ExpressionsWord Choice and UsageReference SkillsReading ComprehensionRead-Along Literary TextsRead-Along Informational TextsReality vs. FictionStory ElementsCharacterSequenceMain IdeaCause And EffectCompare And ContrastReading StrategiesText StructureAuthor's PurposeAuthor's Purpose And ToneAuthor's PerspectivePoint Of ViewThemeInference And ThemeInference And AnalysisPoetry ElementsLiterary DevicesAnalyzing LiteratureAnalyzing Informational TextsComparing TextsAudience, Purpose, And ToneBusiness DocumentsNovel StudyNonfiction Book StudyGrammar & MechanicsSentencesNounsVerbsAdjectivesPronounsCapitalizationPunctuationContractionsConjunctionsPrepositionsArticlesAdjectives And AdverbsVerb TypesVerb TensePronouns And AntecedentsPronoun TypesSubject-Verb AgreementDirect And Indirect ObjectsSentences, Fragments, And Run-OnsPhrases And ClausesCommasSemicolons, Colons, And CommasDashes, Hyphens, And EllipsesSpellingAbbreviationsFormattingVerb Tense And MoodMisplaced ModifiersWritingDescriptive DetailsCreative WritingOpinion WritingTopic SentencesOrganizing WritingLinking WordsSentence VarietyIntroductions And ConclusionsPersuasive And Opinion WritingExpository WritingPersuasive StrategiesDeveloping And Supporting ArgumentsTopic Sentences And Thesis StatementsSummarizingResearch SkillsEditing And RevisingActive And Passive Voice=Writing Clearly And ConciselyDebate & Public SpeakingPublic Speaking BasicsPersuasive TechniquesClaims and EvidenceTypes of ArgumentsReasoning TypesLogical FallaciesTopic ResearchOrganizing EvidenceDebate Speech OrganizationAttacking and Defending ArgumentsClash and EngagementImpact CalculusQuestioning and Cross-ExaminationCritical ThinkingInformal LogicFormal LogicInductive Reasoning

Sequences

Impact Psychology Slides

The Rhetoric of Impact

A deep dive into the psychological and rhetorical strategies used to make debate impacts feel 'real' to audiences. This sequence moves beyond mathematical calculus to explore psychic numbing, narrative persuasion, and the availability heuristic.

11
Even If Presentation Slides

Impact Calculus Mastery

This high-level debate sequence teaches 11th-grade students the technical skills of impact calculus, strategic concessions, and narrative-driven final rebuttals to win complex rounds.

13
Crisis Rhetoric Slides

Weight of the World

A high-level debate sequence for 12th graders focused on impact calculus, moving from rhetorical descriptive writing to efficient crystallization and the delivery of a persuasive Final Focus speech. Students learn to turn abstract data into urgent narratives while mastering the technical constraints of competitive debate.

10
Impact Detection Slides

Strategic Impact Command

A 9th-grade unit on Impact Calculus, focusing on evidence synthesis, strategic argument mapping using matrices, and the construction of meta-arguments to win high-stakes debates.

15
The Weighing Lab Worksheet

Weight of the World

A comprehensive sequence for 9th-grade debate students focusing on impact calculus, comparative rebuttals, and closing arguments. Students move from analyzing weighing mechanisms to mastering advanced techniques like 'Even If' arguments and impact turns, culminating in the ability to write their own 'Reason for Decision' ballots.

12
Intro to Impact Slides

Impact Calculus Fundamentals

A comprehensive unit on the three pillars of impact calculus (Magnitude, Probability, and Timeframe), teaching students how to prioritize competing consequences in competitive debate and public speaking.

11

Lessons

Hardwood Debate Slides

Hardwood Showdown

A comprehensive, high-energy debate unit centered around the classic basketball argument: Michael Jordan versus LeBron James. Students learn to distinguish between athletic peak dominance and career longevity, using data, analytics, and rhetorical strategies to build a structured case and participate in a courtroom-style classroom debate.

3