Detective Briefing Teacher GuideDetective Briefing Topic: Tag Questions & Comma Usage (Grade 6) Top Secret Case File #88-COMMA Objectives Identify tag questions in speech and text. Apply correct comma placement before tags. Master the "Positive-Negative" polarity flow. Materials The Comma Case Slides Detective Dossier Worksheet Case Closed Exit Ticket Khan Academy Video The Detective Rule "A detective never assumes; they confirm. And when they confirm, they always use a comma." 01. Warm-up: The Hook (5 min) Write "It is sunny outside." on the board. Ask: "How can we make this a question without changing any of the words already there?" Teacher Tip: Lead students toward adding ", isn't it?" at the end. Explain that this "tag" turns an assertion into a request for confirmation. 02. The Evidence: Video Analysis (10 min) Play the Khan Academy video from 0:00 to 1:20. Focus on the following key moments: 0:06 Pause: Ask students to predict the ending of "You like cheese..." before David says it. 0:53 Deep Dive: Discuss the "Positive/Negative" flow. If the statement is positive (+), the tag must be negative (-). Show the reverse: Negative assertion + Positive tag ("This won't hurt, will it?"). 03. The Investigation: Detective Game (20 min) Students work in pairs using the Detective Dossier. One student is the "Lead Investigator" (asking questions) and the other is the "Suspect" (providing confirmation). Task A: Role-Play Students select a scenario (The Stolen Calculator, The Missing Lunch, etc.) and improvise a dialogue using tag questions. Task B: Transcription Students must write down 5 specific "confirmation lines" from their dialogue, ensuring the comma is correctly placed. 04. Case Closed: Reflection (5 min) Have each pair share their favorite "detective question." Collect the Case Closed Exit Ticket to assess individual understanding. Grammar Unit: Punctuation Power Grade 6 English Language Arts Lesson Code: TG-D01
The Comma Case SlidesClassified The Comma Case Mission: Mastering Tag Questions CASE FILE #88-COMMA The Hook How can we turn this assertion into a question WITHOUT changing any words? "It is sunny outside." "It is sunny outside, isn't it?" The Evidence Embedded media Watch for: The Assertion The Doubt (Tag) The Comma The Polarity Flow + Positive - Negative "You like cheese, don't you?" - Negative + Positive "This won't hurt, will it?" Always separate the doubt with a comma! Mission Briefing 01 Form Teams Find a partner detective. 02 Pick a Case Choose a mystery to solve. The Objective Interrogate your suspect. Use Tag Questions to confirm the facts of the case. "You were in the hallway at noon, weren't you?"
Detective Dossier WorksheetDetective Dossier Subject: Tag Questions Investigation Agent Name: Date: Phase 1: Choose Your Case Case A The Stolen Science Project Someone took Marcus's model volcano before the fair. The prime suspect was seen near the lockers holding a bag of vinegar. Case B The Cafeteria Mystery The last chocolate milk vanished. You're interviewing a student who was at the front of the line and has a brown stain on their shirt. Phase 2: Interrogation Script Instructions: Role-play with your partner. As the Lead Investigator, use 5 tag questions to confirm the facts. Record your best lines below. Remember the comma! Agent Self-Check Review one of your lines from above. Does it follow the Positive-Negative flow? Statement Comma , Question Tag
Case Closed Exit TicketCase Closed Exit Ticket: Evidence Log Name: Date: 1 Identify the Flow David explained that tag questions have a "positive/negative" flow. Draw a line to match the assertion to its correct question tag. It is raining outside You aren't a detective We should start the car are you? shouldn't we? isn't it? 2 The Comma Fix Rewrite the following sentence with the correct punctuation. Ensure the comma performs its "separating function." "You stole the cookie didn't you" 3 Case Statement Create your own original tag question about a classroom rule. Evidence Submitted
Case Closed Answer KeyCase Closed Answer Key Confidential Teacher Resource REF: KEY-88-COMMA DATE: JAN 19, 2026 1 Identify the Flow Assertion It is raining outside You aren't a detective We should start the car Correct Tag ...isn't it? ...are you? ...shouldn't we? Teacher Note: Ensure students matched Positive assertions to Negative tags and vice versa. 2 The Comma Fix Original: "You stole the cookie didn't you" "You stole the cookie, didn't you?" Criteria: Must include comma before the tag and a question mark at the end. 3 Case Statement Sample Acceptable Answers: "We always raise our hands, don't we?" "You shouldn't run in the halls, should you?" "The bell hasn't rung yet, has it?" Grading Rubric: • Is there a clear assertion? (Yes/No) • Is there a comma before the tag? (Yes/No) • Does the tag follow the correct +/- polarity? (Yes/No) • Is there a question mark? (Yes/No) Authentic Key
Detective Case CardsDetective Case Files Mission: Role-Play Scenarios for Tag Question Investigation Case #001 The Stolen Science Project Marcus’s vinegar volcano went missing right before the science fair. You are a detective interviewing a student who was seen near the lockers with a damp, smelly paper bag. Goal: Confirm the suspect's location and what they were carrying using at least 3 tag questions. Case #002 The Cafeteria Mystery The last chocolate milk vanished from the cooler. You are interviewing a student who was first in line and suspiciously has a small brown stain on their white shirt. Goal: Use tag questions to confirm their place in line and the nature of the stain. Case #003 The Borrowed Pen The teacher’s favorite "lucky" gold pen is gone. You are interviewing a student who is currently writing with a pen that looks remarkably similar but claims it is their own. Goal: Interrogate the student about where they bought the pen and when they started using it. Case #004 The Recess Map Thief The "Official Kickball Rules" map was torn off the gym wall. You are interviewing a student who was the last person to leave the gym after morning practice. Goal: Confirm the time they left the gym and if they saw anyone else in the area. Instruction: Cut cards along the border for classroom use.
