Peekaboo Counting Lesson Plan Kindergarten Math Counting & Cardinality • K.CC.B.4 • K.CC.B.5
Peek-a-Boo Counting within 5
Developing Finger Fluency, Instant Quantity Recognition (Subitizing), and Math Explanations
Pacing 20 Mins Tier 1 Core Routine
Learning Goals
Students instantly recognize and show 1–5 objects on fingers without one-by-one counting (perceptual & conceptual subitizing).
Materials & Supports
1 solid folder, Peek-a-boo Cards (2 baseballs, 3 fruits, 3 lemons+1 apple, 5 bananas), Worksheet, and Tactile Support Mat.
Key Math Habit
"See, Flash, Explain" — silent finger flash first, then explain the decomposition (e.g., "I saw 3 and 1 more, that makes 4!").
1
Fluency Warm-Up: Finger Flashes 1 to 5
5 Minutes
Objective: Build muscle memory and rapid finger representation so students show quantities instantly without looking down at each finger.
Step-by-Step Teacher Script
• "Wiggle your math fingers in the air! Close them into tight rocks (fists)."
• "When I call a number, pop up that many fingers all at once—like fireworks!"
• "Ready? Show me 2 !" (Pause 2 sec). "Freeze your fingers! Check your neighbor's hand."
• Call numbers in scrambled sequence: 1, 3, 2, 4, 5, 3 .
Instructional Tips & Cues
• Math Way vs. Free Way: Encourage popping fingers up starting from the pinky or thumb consistently (Left-to-Right progression).
• The "Pop" Rule: Challenge children not to count "1, 2, 3" one finger at a time; practice throwing the shape out as a unit.
• Tactile Differentiation: Students struggling to isolate fingers can place hands flat on the Peekaboo Support Mat .
2
Core Routine: Peek-a-Boo Folder Counting
10 Minutes
The teacher uses a solid folder as a curtain. The card is hidden, flashed for exactly 2 to 3 seconds , then covered again. This brief exposure discourages one-by-one pointing and compels perceptual grouping.
Step A • Ready
Folder is fully raised, hiding card. Students put hands behind backs or on mat.
Step B • Peek (2-3s)
Folder drops! Eyes take a mental photo. Silent subitizing only.
Step C • Flash
Folder covers picture. Teacher prompts: "Show me on your fingers!"
Step D • Explain
Reveal card again. "How did you know so fast without counting each one?"
Peekaboo Counting Within 5 • Teacher Lesson Guide Page 1 of 2
Instructional Sequence & Prompts
The Peek-a-Boo Card Progression
Guided Routine
Target Visual Math Concept Teacher Script & Guiding Questions ⚾⚾ 2 Baseballs Instant 2 "Ready... Peek! (2 sec) ... Cover! Show your fingers!" Prompt: "Did your eyes need to count 'one, two,' or did your brain just know it was a pair like eyes or shoes?" 🍎🍊🍐 3 Fruits Triad / Line "Ready... Peek! (2 sec) ... Cover! Flash your fingers!" Prompt: "Who saw 2 and 1 more? Who saw a line of 3? Whisper your strategy to your partner." 🍋🍋🍋 🍎 3 Lemons + 1 Apple Conceptual (3+1) "Ready... Peek! (3 sec) ... Cover! How many fruits in all?" Core Discussion: "Look at how they are grouped! I saw a cluster of 3 yellow lemons and 1 lone red apple. 3 and 1 makes 4!" 🍌🍌🍌🍌🍌 5 Bananas Full Hand (5) "Ready... Peek! (2 sec) ... Cover! Pop your whole hand out!" Prompt: "All 5 fingers! A whole hand full! How did you spot 5 so quickly? (e.g., filled line of 5, or 3 top and 2 bottom)."
Scaffolding & Intervention Support
• Tactile Support Mat: Use the companion Peekaboo Support Mat with 5-frame counter runway for concrete touch practice.
• Longer Peek: Extend exposure from 2s to 4s to reduce processing anxiety.
• Multilingual Choral Chants: Pair finger flashes with English and home-language number words (one/uno, two/dos).
Challenge & Extensions (Quick Subitizers)
• Two-Hand Combinations: For 4 or 5, challenge: "Show me 4 using TWO hands! (2 and 2, or 3 and 1)."
• Speed Peek: Drop folder for just 1 second (pure perceptual flash).
• "How Many to 5?": "If you saw 3, how many more do we need to make 5?" (Anchor to 5).
Formative Observation Checklist (What to Look For) Tier 1 Anecdotal Notes
Level 1 • Emergent
Relies on counting fingers 1-by-1 starting at 1. Uses tactile support mat and counters to verify.
Level 2 • Targeted
Instantly flashes 1, 2, and 3 without counting. Subitizes 4 and 5 with brief pause or grouping.
Level 3 • Advanced
Pops whole finger group instantly and verbalizes part-whole chunking (e.g., "3 lemons + 1 apple = 4").
Peekaboo Counting Within 5 • Teacher Lesson Guide Page 2 of 2
Peekaboo Picture Cards Teacher Display Set
Peek-a-Boo Flash Cards (Part 1)
Cut on dotted lines • Sized for standard folder reveal
2 Card 1 • Two Baseballs
Perceptual Subitizing (Pair)
⚾
⚾
Teacher Cue: Flash for 2 seconds. "Pop two fingers like rabbit ears!" Target Count: 2
3 Card 2 • Three Fruits
Perceptual Subitizing (Triad)
🍎
Apple
🍊
Orange
🍐
Pear
Teacher Cue: Flash for 2 seconds. "See 3 in a row! Flash 3 fingers!" Target Count: 3
Peekaboo Counting Within 5 • Picture Cards Page 1 of 2
Teacher Display Set
Peek-a-Boo Flash Cards (Part 2)
Cut on dotted lines • Sized for standard folder reveal
4 Card 3 • 3 Lemons and 1 Apple
Conceptual Subitizing (3 + 1)
Group of 3 Lemons
🍋
🍋
🍋
3 Yellow Lemons
Group of 1 Apple
🍎
1 Red Apple
Teacher Cue: Flash for 3 seconds. "3 yellow lemons and 1 red apple make 4 fruits!" Target Count: 4 (3 + 1)
5 Card 4 • Five Bananas
Five-Frame / Whole Hand (5)
🍌
🍌
🍌
🍌
🍌
Arranged as 3 on top, 2 on bottom (5 in all!)
Teacher Cue: Flash for 2 seconds. "Full high-five hand! Show all 5 fingers!" Target Count: 5
Peekaboo Counting Within 5 • Picture Cards Page 2 of 2
Peekaboo Quick Look Worksheet Kindergarten Math Practice
Quick Look & Show!
Peek at the pictures, show the count on fingers, and write the numbers.
Name:
Date:
1
Quick Match: Draw a line to the matching fingers!
Mastery Goal: 4 of 4 Instant Matches
What is Mastery? Instantly links quantity to finger shape without counting 1-by-1 (perceptual & conceptual subitizing).
⭐ Mastered: 4/4 Instant 🎯 Developing: 2–3/4
A Instant 2
⚾ ⚾
B Instant 3
🍎 🍊 🍐
C 3 + 1
🍋🍋🍋 🍎
D Full Hand
🍌 🍌 🍌 🍌 🍌
✋ 3 fingers 3
🖐️ 5 fingers 5
✌️ 2 fingers 2
🖖 4 fingers 4
2
Color the Fingers: Fill in fingers to show the number!
Show 2 Baseballs
Show 3 Fruits
Show 5 Bananas
3
Spot & Explain: Look at the 3 Lemons and 1 Apple!
I see yellow lemons. 🍋
I see red apple. 🍎
Together, that is fruits in all!
Draw Your Own Group of 4 Fruits:
Peekaboo Counting Within 5 • Student Practice Page Mastery: 4/4 Instant Matches • Subitizing Fluency (K.CC.B.4, K.CC.B.5)
Peekaboo Finger Support Mat Tier 2/3 Math Intervention ELL & Fine-Motor Tactile Mat
My Peek-a-Boo Math Helper Mat
Name: ______________________ Place counters or press fingers here
Tool 1: Tactile Finger Guide (Left-to-Right "Math Way") Press your fingers directly on the mat
1
Pinky
2
Ring
3
Middle
4
Index
5
Thumb
Palms face down or match hand to mat. If fingers won't pop up together, lift one at a time on the mat!
Tool 2: Five-Frame Concrete Runway Place real cubes or counters here
1
2
3
4
5
Tool 3: ELL / Multilingual Sentence & Number Bank
1 • One Uno
2 • Two Dos
3 • Three Tres
4 • Four Cuatro
5 • Five Cinco
Sentence Frame: "I peeked and saw [number] because I see [part] and [part]!"
Peekaboo Counting Within 5 • Differentiation Intervention Mat Page 1 of 2
Teacher Facilitation Guide
Differentiation & Support Framework
Universal Design for Learning (UDL)
T1
Tier 1: Core Universal Accommodations
All Students
Flexible Hand Shapes
Accept any combination (e.g., thumb + index for 2, or index + middle). Comfort with quantity precedes standard finger conventions.
Whisper Countdown
Give a 3-second visual silent countdown on your own fingers before saying "Show!" so processing speed differences don't cause panic.
Demonstration Check Formative
Show-Me Routine: Flash a card (2s) & prompt: "Pop fingers to match—GO!"
✓ Pops group (<2s) Subitizes
~ Counts fingers 1-by-1 Emerging
! Freezes / mirror-copies Tier 2 Mat
Quick diagnostic before partner practice.
T2
Tier 2: Targeted Interventions (Fine Motor & Processing)
Targeted Small Group
Fine-Motor Adaptation
For students struggling with finger isolation, use the Table Press : press fingers flat against the table or mat instead of holding them upright in midair.
Concrete Token Bridge
Provide 5 two-color counters on the Five-Frame Runway. After the peek, student pushes 2 red counters forward before attempting fingers.
Peekaboo Counting Assessment Rubric Formative Assessment Kindergarten Math • K.CC.B.4 • K.CC.B.5
Peek-a-Boo Subitizing & Fluency Rubric
Assessment Target: Quantities 1 to 5
Math Skill Domain 1 • Emerging 2 • Developing 3 • Proficient (Mastery) 4 • Advanced Perceptual Subitizing Baseballs (2) & Fruits (3) Cannot recognize 2 or 3 without counting one-by-one; often guesses or requires physical touching. Instantly identifies 1 and 2, but counts 3 sequentially with head nodding or finger counting. Instant (<2s): Names and identifies 1, 2, and 3 without pointing or counting each item.Instant flash recognition under 1 second; identifies scattered arrangements without pause. Conceptual Subitizing 3 Lemons + 1 Apple (4), Bananas (5) Cannot group items; counts each fruit 1-by-1 starting from 1; loses count on 4 or 5. Counts 1-by-1 but notices colors; requires >4 seconds to find total; misses part-part grouping. Chunks Groups: Sees 3 lemons and 1 apple as 3 and 1 making 4; recognizes 5 as full hand.Instantly combines multiple subgroupings (e.g., 2+2 or 3+1 for 4; 3+2 or 4+1 for 5); relates to 5-frame. Finger Fluency "Math Fingers" Representation Struggles with finger motor isolation; pushes fingers up one-by-one slowly; checks fingers repeatedly. Can produce 1, 2, and 3 as a pop; must count out 4 and 5 one finger at a time. Rapid Pop (<2s): Throws out full finger quantity simultaneously without counting up from 1.Instantly displays quantities flexibly (using either hand, or decomposing 4 as 2 on each hand). Math Explanation "How Did You See It?" Unable to explain: shrugs or says "I just guessed." Relies on peer responses. Says "I counted: 1, 2, 3, 4" ; cannot describe perceptual chunks or subgroupings. Explains Chunks: "I saw 3 lemons and 1 apple, and that makes 4!" Uses part-whole words.Verbalizes equations and anchors: "4 is 1 less than a full 5 hand!" or "3 plus 1 equals 4."
Small-Group Observational Tracker
Scoring: 1 = Emerging | 2 = Developing | 3 = Mastered | 4 = Advanced
Student Name Perceptual (1-3) Conceptual (4-5)
