Day One Sub Guide Substitute Action Plan
Day 1: The Foghorn Cove Mystery
5th Grade ELA • 50-Minute Standalone Period • Zero Tech Required
Focus Standard
CCSS RL.5.1 (Direct Evidence)
RL.5.4 (Context Clues)
The Mission in 20 Seconds
Students are "Lead Coastal Detectives." Today they read Chapter 1 of a strange harbor phenomenon at Echo Reef, underline physical evidence, and decipher three scientific code words using surrounding clues.
Needed Materials
• 1 Evidence Packet per student
• Pencils & Highlighters (or pencils)
• Day 1 Answer Key (for you)
Step-by-Step Lesson Script & Timeline
1. Hook & Briefing (Minutes 0–8) 8 Mins
Distribute the 2-page packet. Direct all students to write their name and date immediately.
Say aloud: "Class, today we have been assigned to investigate an unexplained biological event off the coast of Foghorn Cove. As lead investigators, every claim you make today must have proof—meaning exact words quoted directly from our case file."
2. Shared Reading of the Dossier (Minutes 8–20) 12 Mins
Read the passage on Page 1 aloud to the class, or call on confident student volunteers to read one paragraph each while others follow along with their index finger or pencil.
Sub Tip: Pause after Paragraph 2 and say: "Notice how Dr. Lin recorded the exact water temperature and the glowing green tint. Underline that detail right now!"
3. Independent Investigation & Evidence Work (Minutes 20–40) 20 Mins
Students turn to Page 2 and complete Parts A (Context Clues) and B (Text Evidence Extraction). Allow students to consult a shoulder partner in a quiet whisper voice.
Walk the room with your clipboard. Check that students are writing full sentences and referencing specific paragraph numbers.
4. Group Debrief & Collection (Minutes 40–50) 10 Mins
Call on 2-3 volunteers to share their evidence for Question 4. Validate responses using your Day 1 Answer Key.
Say aloud: "Great detective work today. Keep your evidence secure—tomorrow we analyze the prime suspect's motives and hidden anomalies."
Non-Teacher Classroom Rules
• Attention getter: Clap twice, say "Detectives, pencils down in 3... 2... 1."Restroom: 1 student out at a time with standard hall pass.Volume: Level 1 (whisper) during partner work.
If Students Finish Early
Direct them to flip to the back of their packet and sketch a labeled diagram of the research submarine The Nautilus IV based only on details from Paragraph 2.
Substitute Emergency Contact: Front Office (Dial 0 on classroom phone) • Day 1 of 3
Day One Evidence Dossier Confidential Field File • Case #842
The Phantom of Foghorn Cove
Chapter 1: The Midnight Glow • Subject: Marine Biological Anomalies
Case Status
ACTIVE INVESTIGATION
Day 1 of 3
Field Directive: Read the field report carefully. As you read, use a highlighter or pencil to mark details that describe what Dr. Lin saw, heard, and measured. Numbered paragraphs correspond to your investigation questions on Page 2.
[¶ 1] Dr. Maya Lin adjusted the brass dials of the harbor hydrophone, listening intently into the static hiss of the Pacific. At precisely 11:42 PM, the rocky shoreline of Foghorn Cove usually produced only the rhythmic slap of freezing waves and the lonely chime of buoy bells. But tonight, a rhythmic, rhythmic pulsing vibration—humming at an exact frequency of forty-five cycles per second—shivered through her iron headphones. It sounded less like a wandering whale and more like an underwater mechanical clock.
[¶ 2] Stepping onto the damp balcony of the decommissioned lighthouse, Maya aimed her binoculars toward the outer breaker reef. What she observed was undeniably anomalous . Far beneath the churning foam, an intense emerald illumination flickered in long, deliberate pulses: three short flashes, three long flashes, three short flashes. It was the international Morse code distress signal, glowing thirty feet under the surface. Furthermore, the harbor temperature sensor spiked from its normal 48 degrees Fahrenheit to an uncharacteristic 64 degrees in mere seconds.
[¶ 3] "Nothing in coastal biology behaves like this," whispered Jasper Finch, her sixteen-year-old apprentice, leaning over the brass railing. Jasper held the logbook, pen trembling in his hand. "Sea turtles don't flash Morse code, Dr. Lin. And plankton blooms don't heat seawater like an electric teakettle. Could someone be piloting an unregistered underwater craft out there?"
[¶ 4] Maya grabbed her heavy canvas parka. "If someone is operating a deep-sea submersible in the marine sanctuary, they are violating federal maritime law. But if this is a newly discovered deep-trench organism drawn up by the tectonic fault line, it is the discovery of our century. Either way, we cannot ignore a cry for help."
[¶ 5] Suddenly, the green radiance ceased. A sharp, metallic clank echoed from the submerged sea wall, followed by a series of bubbles that rose and popped upon the dark water, releasing a faint aroma of ozone and kelp. As Maya hurried down the spiral stairs toward their skiff, Jasper spotted a singular wooden cylinder bobbing near the pier, sealed with crimson wax. The tide was pushing it toward the rocks, and time was running out.
Evidence Box: Key Observations Logged
Sound: 45 Hz mechanical pulse
Light: Emerald Morse signal
Day One Answer Key Facilitator Master Key
Day 1 Answer Key & Look-Fors
The Phantom of Foghorn Cove • Chapter 1 Evidence Sheet
Evaluation Guide
Total Points: 10 Pts
Day 1 of 3
Substitute Grading Tip: 5th graders should cite specific paragraph numbers and use quotation marks for direct quotes. Full credit requires both the explanation and the paragraph citation.
Part A: Vocabulary Decoding (2 Points Total • 1 Pt Each) Standard RL.5.4
Question 1: Meaning of anomalous CORRECT: B
Correct Option: B — Irregular, abnormal, or unusual.Context clue note: Paragraph 2 states that what Dr. Lin observed was anomalous, and Paragraph 3 clarifies that "Nothing in coastal biology behaves like this."
Question 2: Meaning of submersible CORRECT: A
Correct Option: A — A vessel designed to operate underwater.Context clue note: Maya connects "deep-sea submersible" to an "unregistered underwater craft" in Paragraphs 3 and 4.
Part B: Text Evidence Citations (6 Points Total • 2 Pts Each) Standard RL.5.1
Question 3: Two distinct physical anomalies observed
Exemplar Answer: Dr. Lin observed an intense emerald light pulsing the Morse code distress signal thirty feet under the surface, and the water temperature jumped drastically from 48°F to 64°F in mere seconds (Paragraph 2).
Acceptable Variations: Mentioning the flashing emerald Morse code light AND the sudden water temperature spike from 48 to 64 degrees. Give 1 point for each anomaly identified, plus paragraph citation.
Question 4: Exact sentence quoting rhythmic/unnatural sound
Exemplar Answer: "It sounded less like a wandering whale and more like an underwater mechanical clock." (Paragraph 1) OR "a rhythmic, rhythmic pulsing vibration—humming at an exact frequency of forty-five cycles per second—shivered through her iron headphones." (Paragraph 1)
Look-For: Student must use quotation marks and cite Paragraph 1 accurately.
Question 5: Clue washing ashore & prediction
Exemplar Answer: A singular wooden cylinder sealed with crimson wax washed near the pier (Paragraph 5). It likely contains an emergency letter, map, coordinates, or data cylinder from the crew of the submerged vessel.
Look-For: Identifying the wax-sealed wooden cylinder (1 pt) and providing any reasonable inference about what an emergency distress cylinder carries (1 pt).
Day Two Sub Guide Substitute Action Plan
Day 2: The Cylinder's Secret
5th Grade ELA • 50-Minute Standalone Period • Zero Tech Required
Focus Standard
CCSS RL.5.1 (Inferences)
RL.5.3 (Character Actions)
The Mission in 20 Seconds
Today students open the sealed cylinder in Chapter 2. They learn how to read between the lines—combining hard facts with background knowledge to deduce character motivations and uncover who is trapped below.
The Inference Rule
Text Clue + Prior Knowledge = Inference
Step-by-Step Lesson Script & Timeline
1. Mission Recap & Setup (Minutes 0–7) 7 Mins
Pass out the Day 2 Packet. Remind students to write their names immediately.
Say aloud: "Detectives, yesterday we discovered the cylinder in the waves. Today we crack it open. Remember: an author doesn't always tell us everything directly. We have to be literary detectives and make inferences from clues."
2. Shared Reading: Chapter 2 (Minutes 7–20) 13 Mins
Have students read Page 1. You may read the first two paragraphs aloud to model pacing, then have student pairs read alternating paragraphs quietly.
Sub Tip: Write the word "Submerged Habitat" on the board so students visualize the underwater research station mentioned in Paragraph 3.
3. Inference Investigation Sheet (Minutes 20–42) 22 Mins
Students turn to Page 2 to complete the 3-step Graphic Organizer and Inference Questions.
Circulate the classroom. If a student is stuck on Question 3, say: "Look at what Captain Thorne wrote in the waterlogged note. What was he trying to protect from the poachers?"
4. Synthesis Debrief & Exit Check (Minutes 42–50) 8 Mins
Have two students read their inference for Question 4 aloud. Collect all packets in a neat stack.
Say aloud: "Superb deduction today. Tomorrow we write our final official case verdict to authorize the Coast Guard rescue team."
What is an Inference?
If a student asks what an inference is: "It's when the text gives you clues, and your brain connects them to figure out what's really happening without the author stating it word-for-word."
Fast-Finisher Task
Students who finish early should write a 3-sentence prediction on the back of Page 2 describing how Dr. Lin will get oxygen down to the research station.
Substitute Emergency Contact: Front Office • Day 2 of 3 • Keep Collected Work for Classroom Teacher
Day Two Inference Packet Confidential Field File • Case #842
The Phantom of Foghorn Cove
Chapter 2: The Cylinder's Secret • Subject: The Sunken Habitat
Case Status
IN PROGRESS
Day 2 of 3
Field Directive: Read Chapter 2 attentively. Look beyond what is stated directly. Pay attention to Captain Thorne's hidden motives, subtle clues about danger, and the characters' emotional states.
[¶ 6] Maya hooked the bobbing cylinder with a long aluminum gaff pole, hauling it onto the wet pier planks. Jasper quickly cut through the hardened crimson wax with his pocket knife. Inside rested a tightly rolled waterproof parchment, written in hasty, sprawling fountain-pen handwriting. The signature at the bottom made Maya gasp: Captain Elias Thorne, Chief Engineer, Aquarius Research Station . Thorne had vanished eight months earlier during a rogue storm, presumed lost at sea.
[¶ 7] "To whoever recovers this beacon," the letter began. "Our crew of three is alive eighty feet below Echo Reef in the reinforced geological dome. We never perished in the storm. We chose to remain hidden because we discovered something extraordinary: a living colony of abyssal glass sponges that filter marine microplastics at ten times the rate of any known organism."
[¶ 8] Maya’s hands gripped the paper tightly. Jasper looked over her shoulder, wide-eyed. "Why would he fake his own disappearance just to study sponges?" Jasper asked, his forehead creased in confusion. "Why didn't he simply publish a scientific paper?"
[¶ 9] Maya pointed to the second paragraph of Thorne’s frantic message. "Because an industrial dredging trawler named 'The Black Gull' has been scouring this seabed illegally. If the trawler's owners discovered these rare specimens, they would strip-mine the reef for patent profit, crushing the delicate seafloor ecosystem. We stayed silent to guard them. But two hours ago, an undersea tremor dislodged a four-ton basalt boulder. It has wedged directly across our primary egress hatch."
[¶ 10] The final line was underlined three times: "Our backup thermal generators created the green pulse and water heat spike you witnessed, but battery reserves are nearly exhausted. We have less than fourteen hours of atmospheric oxygen remaining. Please, Dr. Lin—bring the heavy hydraulic winch."
Critical Situation Parameters
Depth: 80 feet beneath Echo Reef
Obstacle: 4-ton basalt rock on hatch
Time Left: Under 14 hours of air
Field Dossier • Case File #842 Turn page for Inference Investigation • Page 1 of 2
Inference & Motive Analysis
Combine text clues with your knowledge to infer unstated truths.
Day Two Answer Key Facilitator Master Key
Day 2 Answer Key & Inference Models
The Phantom of Foghorn Cove • Chapter 2 Inference Analysis
Evaluation Guide
Total Points: 10 Pts
Day 2 of 3
Substitute Grading Tip: Inferences do not have to match word-for-word. Look for students who connect the clue logically to background reasoning. If the student shows realistic deduction based on the text, award full credit.
Part A: Inference Equation Table (4 Points Total • 2 Pts Each) Standard RL.5.1
Row 1 (Wax Seal Inference):
Model Inference: Captain Thorne sealed the cylinder with wax to ensure the message remained dry and legible while floating through seawater to the surface.
Acceptable variant: Mentioning protecting the letter from water damage or ensuring it floats without sinking.
Row 2 (Maya's Gasp Inference):
Model Inference: Maya was stunned because she believed Captain Thorne was dead after disappearing eight months ago, meaning finding his living handwriting was completely shocking.
Acceptable variant: She thought he drowned at sea or never expected to hear from him again.
Part B: Character Motives & Theme (6 Points Total • 2 Pts Each) Standards RL.5.2 & RL.5.3
Question 3: Captain Thorne's motive for hiding
Exemplar Answer: Captain Thorne hid to protect the newly discovered microplastic-filtering glass sponges from being exploited and destroyed by illegal commercial trawlers like "The Black Gull" (Paragraph 9). This reveals that he values environmental conservation and scientific protection over fame or money.
Question 4: Tremor turning mission into crisis
Exemplar Answer: The underwater tremor shook loose a four-ton basalt boulder that pinned shut the primary escape hatch, trapping the three scientists with fewer than fourteen hours of oxygen and fading batteries (Paragraphs 9–10).
Question 5: Central Emerging Theme
Exemplar Answer: Protecting vulnerable ecosystems sometimes requires sacrifice and courage, but human survival ultimately depends on cooperation and reaching out for help when danger strikes.
Investigator Facilitator Sheet • Day 2 Confidential Teacher Key • Page 1 of 1
Day Three Sub Guide Substitute Action Plan
Day 3: The Official Case Verdict
5th Grade ELA • 50-Minute Standalone Period • Zero Tech Required
Focus Standard
CCSS RL.5.2 (Summarizing)
W.5.9 (Evidence Writing)
The Mission in 20 Seconds
Students conclude the mystery in Chapter 3 as Dr. Lin coordinates the deep-sea winch. Students then write an official 5-sentence objective summary of the entire 3-part case and verify it using a self-check rubric.
Objective Rule
An objective summary contains facts only —no personal opinions, no "I thought it was cool," no made-up details.
Step-by-Step Lesson Script & Timeline
1. Final Mission Briefing (Minutes 0–7) 7 Mins
Hand out the Day 3 Packet. Have students immediately write their names and class period.
Say aloud: "Investigators, today is the climax of our mission. Dr. Lin and Jasper have fourteen hours to save Captain Thorne's crew before their oxygen expires. Let's find out how the mission ends!"
2. Reading Chapter 3: The Rescue (Minutes 7–18) 11 Mins
Read Chapter 3 together as a whole class or invite three volunteers to read one paragraph each.
Sub Tip: Emphasize how Maya's quick thinking solved the boulder problem without cracking the fragile habitat dome.
3. Writing the Official Objective Summary (Minutes 18–42) 24 Mins
Students complete the "Somebody-Wanted-But-So-Then" organizer on Page 2 and synthesize it into their official 5-sentence final investigative report.
Enforce quiet independent writing time. Walk around with a pencil to star strong summary sentences.
4. Unit Wrap-Up & Teacher Hand-Off (Minutes 42–50) 8 Mins
Have students use the 4-point Checklist at the bottom of Page 2 to self-assess their summary.
Say aloud: "Mission accomplished, detectives! Paper-clip your three packets together and pass them forward."
What to Leave for the Teacher
Bundle all three days of student work together. Leave a brief sticky note stating: "All 3 days completed. Great engagement. Packets ready for grading using the rubrics."
Star Investigator Shout-Out
Jot down 2-3 student names who were exceptionally helpful or focused today to leave as positive notes for their teacher.
Substitute Emergency Contact: Front Office • Day 3 of 3 • Final Unit Completion
Day Three Summary Task Confidential Field File • Case #842
The Phantom of Foghorn Cove
Chapter 3: The Midnight Rescue • Subject: Mission Resolution
Case Status
FINAL VERDICT
Day 3 of 3
Field Directive: Read the concluding chapter of our investigation. Pay close attention to how the main conflict is resolved and how all three days of clues fit together into a complete chain of events.
[¶ 11] Dawn broke in streaks of cold slate and orange across Foghorn Cove. Maya Lin radioed the Coast Guard cutter Resolute , relaying Captain Thorne’s exact GPS coordinates and warning them of the pirate trawler lingering outside the harbor. Then, without hesitating, Maya and Jasper piloted their twin-engine harbor skiff directly over Echo Reef, hauling four yellow inflatable marine salvage bladders.
[¶ 12] "Using a steel hook or explosive drill would shatter the research station's glass dome under eighty feet of hydrostatic pressure," Maya explained over the engine roar. "Water displacement is our only hope. We must slide the deflated lift-bags under the basalt boulder, then pump them with compressed nitrogen."
[¶ 13] Donning dry-suits, Maya and Jasper dove into the icy green current. Guided by the faint, pulsing emerald beacon that had started their investigation two nights prior, they reached the seabed. The massive black basalt rock pinned the titanium hatch firmly. Working swiftly against their own oxygen clocks, Jasper carefully shimmied two reinforced bladders beneath the boulder's jagged overhang.
[¶ 14] At Maya’s hand signal, Jasper opened the valve of the high-pressure air tank. With a deep hiss, the yellow bladders expanded like colossal golden lungs. Slowly, smoothly, the four-ton boulder tilted upward and floated backward into the silt. Inside the dome, the hatch swung open with a muffled burst of bubbles, and Captain Thorne and his two pale, exhausted researchers emerged into the daylight of the safety line.
[¶ 15] As the rescue team broke the surface, the sirens of the Coast Guard cutter echoed across the bay. The cutter had intercepted and escorted The Black Gull into harbor custody. By noon, federal environmental authorities officially designated the Echo Reef glass sponge colony as a protected marine sanctuary. The mysterious phantom pulses of Foghorn Cove had finally revealed their secret—saving three lives and shielding an irreplaceable oceanic wonder.
Case Status: Successfully Closed
Crew Status: 3 scientists rescued safely
Perp Status: Illegal trawler seized
Ecosystem: Federal Sanctuary status
Field Dossier • Case File #842 Turn page for Final Summary Task • Page 1 of 2
Official Case Summary Report
Synthesize all three chapters into a concise, objective summary.
Day Three Rubric Key Facilitator Master Key
Day 3 Rubric & Model Summary
The Phantom of Foghorn Cove • Final Objective Summary Assessment
Assessment Guide
Total Points: 12 Pts
Day 3 of 3
Part A: SWBST Blueprint Model (5 Points • 1 Pt Each) Standard RL.5.2
Somebody
Dr. Maya Lin & apprentice Jasper Finch.
Wanted
To discover the origin of the glowing Morse signal.
But
Capt. Thorne was trapped underwater by a boulder.
So
Maya used pneumatic lift bladders to lift the rock.
Then
The crew was saved and the reef became a sanctuary.
Part B: Exemplar Student Summary Paragraph Model Benchmark
"While monitoring the coast of Foghorn Cove, marine biologist Dr. Maya Lin detected an anomalous emerald distress signal pulsing in Morse code. Upon retrieving a wax-sealed cylinder from the surf, she learned that presumed-lost researcher Captain Elias Thorne was trapped eighty feet below inside an undersea habitat. A tremor had dislodged a massive basalt boulder over their escape hatch, leaving the three scientists with dwindling oxygen while an illegal trawler threatened the bay. To avoid shattering the fragile habitat dome, Dr. Lin and Jasper dove down and gently lifted the boulder using inflatable nitrogen salvage bladders. The trapped crew surfaced safely, the pirate trawler was seized by the Coast Guard, and the delicate glass sponge reef was established as a protected marine sanctuary."
Part C: Quick Scoring Rubric (For Substitute or Classroom Teacher) 3 Points Per Category • 12 Pts Total
Criterion Proficient (3 Pts) Developing (2 Pts) Beginning (1 Pt) Key Ideas & Accuracy Includes all main plot milestones: signal, letter, rescue, and sanctuary. Missing 1 major event or confuses story sequence. Missing multiple key facts or summarizes minor details only. Objective Tone Zero personal opinions; strictly relays textual facts without bias. Includes 1 subjective remark (e.g., "The awesome dive..."). Dominated by personal reactions, feelings, or opinions. Organization & Flow Logical chronological progression using transition words. Transitions are abrupt, but general sequence is clear. Jumbled order; difficult to follow timeline of events.
