Spy Word Decoder Worksheet
TOP SECRET • MISSION BRIEF UV Spy Lab
Clearance Level: 1st Grade
Operation Magic E
Use your invisible ink pen to give vowels their long sound superpowers!
Agent Name
Code Name
Phase 1: Invisible Ink Transformation Lab
Write invisible 'e' in the big box ➔ Shine UV Light ➔ Read new word!
1
Short A (/æ/)
c a p
Secret Box
write 'e'
UV Reveal
Long A (/eɪ/)
c a p e
I Read It!
2
Short I (/ɪ/)
p i n
Secret Box
write 'e'
UV Reveal
Long I (/aɪ/)
p i n e
I Read It!
3
Short O (/ɒ/)
h o p
Secret Box
write 'e'
UV Reveal
Long O (/oʊ/)
h o p e
I Read It!
4
Short U (/ʌ/)
c u b
Secret Box
write 'e'
UV Reveal
Long U (/juː/)
c u b e
I Read It!
Phase 2: Secret Agent Codebreaker
Use invisible ink to add e in the big box, then shine your light to solve!
CLUE #1
A cozy item you put on after bath time:
r o b
add 'e'
CLUE #2
A diamond toy that flies high in the sky:
k i t
add 'e'
CLUE #3
Something that is super giant and massive:
h u g
add 'e'
Mission Debrief:
Short Vowels Read
Magic E Activated
Long Vowels Read
Agent HQ Certified
Commander Signature: ________________
Agent Mission Facilitator Guide
Teacher Facilitator Guide Standard: CCSS.ELA-LITERACY.RF.1.3.C
10-Minute Small Group (7 Students)
Operation Magic E: Facilitator Guide
How silent e changes short vowel sounds into long vowel sounds using UV reveal pens.
Station Prep: 7 UV Pens + 7 Mission Mats
Target Vowels: a_e, i_e, o_e, u_e
10-Minute Mission Pacing
Min 0–2 2 Min
Briefing & Hook
Introduce Magic E's superpower: it stays silent but zaps the vowel to make it say its name.
Anchor Gesture: Finger Zap!
Min 2–6 4 Min
Invisible Ink Lab
Model Word 1 together (cap ➔ cape). Students write invisible 'e', shine UV beam, and choral read.
4 Words: cap, pin, hop, cub
Min 6–8.5 2.5 Min
Codebreaker Clues
Partners decode 3 secret agent clues: robe, kite, huge. Students add invisible 'e' and check meaning.
Meaning & Context Check
Min 8.5–10 1.5 Min
Agent Clearance
Rapid individual oral check: each student whispers their favorite transformed word to earn the HQ stamp.
Sign & Stamp Clearance
Scripted Teacher Talk Moves
Hook: "Secret Agents, welcome to the UV Phonics Lab! Today you have a secret weapon: invisible ink pens. Look at word #1: c-a-p. What does it say? Cap! The 'a' makes its short sound: /æ/."
The Transformation: "Now take your invisible pen. Write a secret silent 'e' at the end. Can anyone hear Magic E? No, it’s completely silent! But turn on your UV light beam... look at it glow! Magic E zaps the vowel: 'Hey vowel, say your name!' Now what is the word? CAPE!"
The Anchor Chant: "Magic E is quiet as a mouse, but makes the vowel shout its name out loud!"
Invisible Pen Classroom Protocols
- • Eye Safety Rule: "UV beam points straight down at the secret box, never at eyes or faces."
- • Gentle Grip: First graders tend to press hard when ink is invisible. Remind them: "Light as a feather—the secret ink is already flowing!"
- • Cap Control: Caps stay clicked onto the pen bottoms while writing to avoid missing light caps.
Quick Scaffold: If a student reads "cape" with a short /æ/, have them touch the glowing 'e' and draw a laser line backward with their finger to the 'a'.
7-Student Quick Observation Tracker (Circle or Check)
Record during Min 8.5–10 Exit Check
| # | Agent Student Name | Short Vowel (cap/pin) | Added Silent 'e' | Long Vowel (cape/pine) | Solved Clue Word | Mastery Status |
|---|
| 1 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
| 2 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
| 3 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
| 4 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
| 5 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
| 6 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
| 7 | ________________________ | Y / N | Y / N | Y / N | robe / kite / huge | Mastered • Review |
Fast Finisher Secret Mission: Flip mat over and write 2 bonus spy pairs: mad ➔ made and rip ➔ ripe.
Ready for Tier 2 Station Rotation