Grade 7Reading: grades 5-6AdditionSubtractionMultiplicationSkip countingDivision
The Lost Idol of Canopy Camp
Someone snuck into the expedition tent and made off with the ancient golden idol! Work through the camp logs and match the trail clues to unmask the culprit.
Suspects
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
21 of 21 still in play
| Name | Primary Gear | Secondary Tool | Habit | Bandana Color | Trap Trigger |
|---|---|---|---|---|---|
| Owen Diaz | grappling hook | smoke pellet | wears digital watch on right wrist | crimson bandana | slippery mud |
| Mia Torres | compass dial | rope ladder | wears digital watch on right wrist | golden bandana | sneeze powder |
| Nora Hayes | compass dial | smoke pellet | wears digital watch on left wrist | golden bandana | slippery mud |
| Alex Rivera | compass dial | smoke pellet | wears digital watch on right wrist | crimson bandana | sneeze powder |
| Ethan Ross | decoder ring | rope ladder | wears digital watch on left wrist | golden bandana | snapping net |
| Harper Wood | decoder ring | pocket drone | wears digital watch on right wrist | golden bandana | sneeze powder |
| Liam Foster | machete blade | climbing boots | wears digital watch on left wrist | crimson bandana | snapping net |
| Lucas Gray | signal flare | pocket drone | wears digital watch on right wrist | golden bandana | slippery mud |
| Jack Snyder | compass dial | climbing boots | wears digital watch on right wrist | golden bandana | snapping net |
| Lily Adams | compass dial | smoke pellet | wears digital watch on left wrist | crimson bandana | slippery mud |
| Sam Chen | compass dial | headlamp ray | wears digital watch on right wrist | golden bandana | sneeze powder |
| Ava Reed | grappling hook | pocket drone | wears digital watch on left wrist | emerald bandana | slippery mud |
| Grace Hall | signal flare | pocket drone | wears digital watch on left wrist | emerald bandana | slippery mud |
| Zoe Vance | grappling hook | headlamp ray | wears digital watch on right wrist | crimson bandana | snapping net |
| Chloe Bennett | machete blade | smoke pellet | wears digital watch on left wrist | golden bandana | sneeze powder |
| Maya Patel | machete blade | pocket drone | wears digital watch on right wrist | golden bandana | sneeze powder |
| Caleb Young | compass dial | smoke pellet | wears digital watch on left wrist | crimson bandana | sneeze powder |
| Ella Kim | compass dial | climbing boots | wears digital watch on right wrist | crimson bandana | sneeze powder |
| Kai Tanaka | compass dial | smoke pellet | wears digital watch on right wrist | golden bandana | sneeze powder |
| Eli Stone | grappling hook | climbing boots | wears digital watch on left wrist | golden bandana | sneeze powder |
| Ruby Park | decoder ring | smoke pellet | wears digital watch on left wrist | crimson bandana | snapping net |
Clue 1
Addition
We counted the total ration bars found in both trail bags to find our first clue.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
8123
2649
9819
6137
4388
9819
9171
8564
9295
8631
9295
4388
5566
T
8123
9303
6137
9819
2903
5566
8573
9819
3895
9171
9295
9295
9819
2903
4528 + 3595 =T
2652 + 5921 =P
3761 + 1805 =O
3919 + 4712 =I
1449 + 2939 =N
6328 + 2843 =A
1650 + 1253 =R
1094 + 1555 =H
6045 + 3258 =U
4682 + 5137 =E
5227 + 3337 =K
3229 + 2908 =S
2095 + 1800 =L
4616 + 4679 =D
0/14 letters found
Clue 2
Subtraction
We measured the missing length of map parchment after the suspect tore a piece off.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
4024
7189
4550
3642
6983
4550
5938
2793
1320
2122
2343
4550
5938
1320
5938
T
4024
2224
7189
2122
6983
T
4024
7189
4550
2343
1589
7138
7189
T
4024
1320
2343
1589
3642
T
4024
8187 - 4163 =T
6765 - 4541 =C
9459 - 2270 =H
4017 - 2697 =W
9044 - 3106 =A
2590 - 247 =R
7985 - 1002 =N
5184 - 2391 =K
3706 - 1584 =O
12103 - 4965 =G
7006 - 2456 =E
4727 - 1085 =S
4726 - 3137 =I
0/13 letters found
Clue 3
Multiplication facts (1-12)
We checked four storage crates that each held equal rows of expedition supplies.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
8
36
33
63
35
33
24
80
70
24
63
T
8
5
144
100
100
33
30
1
100
18
14
63
35
33
33
7
33
100
120
70
30
33
5
1 × 8 =T
7 × 10 =W
10 × 10 =P
12 × 12 =I
9 × 2 =B
7 × 1 =Z
1 × 1 =U
10 × 8 =K
6 × 4 =A
4 × 9 =H
3 × 10 =D
5 × 1 =R
9 × 7 =S
7 × 5 =N
10 × 12 =O
3 × 11 =E
7 × 2 =Y
0/17 letters found
Clue 4
Skip counting
We tracked footmarks along the muddy trail that skipped equal paces across the riverbank.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
A
20
8
40
15
A
20
120
50
6
15
140
28
A
20
25
140
42
50
30
120
110
A
20
120
50
A
20
120
A
20
70
A
20
8
6
140
9
120
50
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30A
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35G
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130B
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140N
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25R
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10F
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48L
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15U
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32M
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80W
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160O
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12S
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
We shared the remaining battery packs equally among the five scout teams to power the scanners.
First solve each problem. Then find each answer in the list below and cross that sentence out. One sentence will be left — that's exactly what the villain did!
Step 1 — solve these
120 ÷ 10 = ?
28 ÷ 4 = ?
11 ÷ 1 = ?
96 ÷ 12 = ?
18 ÷ 6 = ?
7 ÷ 7 = ?
40 ÷ 10 = ?
63 ÷ 7 = ?
50 ÷ 10 = ?
36 ÷ 6 = ?
20 ÷ 2 = ?
Step 2 — cross out the sentence with each answer
1.The villain unlocked secrets with a decoder ring, then vanished behind a headlamp ray.
2.The villain tracked the path with a compass dial, then snuck off under a smoke pellet.
3.The villain tracked the path with a compass dial, then scouted ahead using a pocket drone.
4.The villain tracked the path with a compass dial, then swung away with a rope ladder.
5.The villain lit the canopy with a signal flare, then swung away with a rope ladder.
6.The villain cleared vines with a machete blade, then escaped using climbing boots.
7.The villain cleared vines with a machete blade, then scouted ahead using a pocket drone.
8.The villain unlocked secrets with a decoder ring, then swung away with a rope ladder.
9.The villain lit the canopy with a signal flare, then scouted ahead using a pocket drone.
10.The villain unlocked secrets with a decoder ring, then escaped using climbing boots.
11.The villain tracked the path with a compass dial, then vanished behind a headlamp ray.
12.The villain unlocked secrets with a decoder ring, then scouted ahead using a pocket drone.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Lost Idol of Canopy Camp
Culprit: Kai Tanaka (compass dial · smoke pellet · wears digital watch on right wrist · golden bandana · sneeze powder)
- Clue 1 (Addition): "THE SNEAK DID NOT USE ROPE LADDER"4528 + 3595 = 8123 (T) · 2652 + 5921 = 8573 (P) · 3761 + 1805 = 5566 (O) · 3919 + 4712 = 8631 (I) · 1449 + 2939 = 4388 (N) · 6328 + 2843 = 9171 (A) · 1650 + 1253 = 2903 (R) · 1094 + 1555 = 2649 (H) · 6045 + 3258 = 9303 (U) · 4682 + 5137 = 9819 (E) · 5227 + 3337 = 8564 (K) · 3229 + 2908 = 6137 (S) · 2095 + 1800 = 3895 (L) · 4616 + 4679 = 9295 (D)
- Clue 2 (Subtraction): "THE SNEAK WORE A WATCH ON THE RIGHT WRIST"8187 - 4163 = 4024 (T) · 6765 - 4541 = 2224 (C) · 9459 - 2270 = 7189 (H) · 4017 - 2697 = 1320 (W) · 9044 - 3106 = 5938 (A) · 2590 - 247 = 2343 (R) · 7985 - 1002 = 6983 (N) · 5184 - 2391 = 2793 (K) · 3706 - 1584 = 2122 (O) · 12103 - 4965 = 7138 (G) · 7006 - 2456 = 4550 (E) · 4727 - 1085 = 3642 (S) · 4726 - 3137 = 1589 (I)
- Clue 3 (Multiplication facts (1-12)): "THE SNEAK WAS TRIPPED UP BY SNEEZE POWDER"1 × 8 = 8 (T) · 7 × 10 = 70 (W) · 10 × 10 = 100 (P) · 12 × 12 = 144 (I) · 9 × 2 = 18 (B) · 7 × 1 = 7 (Z) · 1 × 1 = 1 (U) · 10 × 8 = 80 (K) · 6 × 4 = 24 (A) · 4 × 9 = 36 (H) · 3 × 10 = 30 (D) · 5 × 1 = 5 (R) · 9 × 7 = 63 (S) · 7 × 5 = 35 (N) · 10 × 12 = 120 (O) · 3 × 11 = 33 (E) · 7 × 2 = 14 (Y)
- Clue 4 (Skip counting): "A STRAND FROM A GOLDEN BANDANA WAS FOUND"Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (A) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (G) · Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60 = 40 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (B) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (N) · Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25 = 15 (R) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (F) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (L) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (U) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (M) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (W) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40 = 30 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (S)
- Clue 5 (Division facts (1-12)): surviving statement (box 2) → Kai Tanaka120 ÷ 10 = 12 · 28 ÷ 4 = 7 · 11 ÷ 1 = 11 · 96 ÷ 12 = 8 · 18 ÷ 6 = 3 · 7 ÷ 7 = 1 · 40 ÷ 10 = 4 · 63 ÷ 7 = 9 · 50 ÷ 10 = 5 · 36 ÷ 6 = 6 · 20 ÷ 2 = 10
About this mystery
- Grade level
- Grade 7 math
- Math topics
- Addition, Subtraction, Multiplication, Skip counting, Division
- Reading level
- grades 5-6
- Theme
- The Lost Idol of Canopy Camp — set in Canopy Camp Expedition Base
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects