Grade 5Reading: grades 3-4MultiplicationSubtractionAdditionRoundingDivision
The Canopy Treehouse Caper
The legendary Golden Compass has vanished from the Canopy Library! A rogue explorer must have slipped through the branches while everyone was resting. Gather your gear and help the Canopy Scouts follow the clues to catch the thief!
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 | climbing style | special gear | observed habit | hair color | secret fear |
|---|---|---|---|---|---|
| Lara Croft | tree vaulting | signal whistle | right-handed | red hair | afraid of heights |
| Diego Marquez | vine climbing | pocket drone | left-handed | red hair | scared of frogs |
| Indiana Jones | bridge sprinting | signal whistle | left-handed | red hair | afraid of heights |
| Phileas Fogg | rope swinging | signal whistle | right-handed | blonde hair | scared of frogs |
| Sacagawea | rope swinging | night vision goggles | right-handed | brown hair | afraid of heights |
| Jane Goodall | bridge sprinting | night vision goggles | right-handed | red hair | scared of frogs |
| Steve Irwin | vine climbing | grappling hook | left-handed | blonde hair | afraid of heights |
| Amelia Earhart | rope swinging | night vision goggles | right-handed | red hair | allergic to pollen |
| Marco Polo | canopy gliding | grappling hook | right-handed | brown hair | afraid of heights |
| Huckleberry Finn | canopy gliding | grappling hook | left-handed | brown hair | scared of frogs |
| Wendy Darling | bridge sprinting | grappling hook | left-handed | brown hair | scared of frogs |
| Jane Porter | bridge sprinting | signal whistle | right-handed | brown hair | allergic to pollen |
| Lewis Clark | canopy gliding | signal whistle | left-handed | red hair | afraid of heights |
| Daniel Boone | bridge sprinting | decoy balloon | left-handed | red hair | afraid of heights |
| Jack Sparrow | tree vaulting | night vision goggles | left-handed | red hair | allergic to pollen |
| Tom Sawyer | tree vaulting | decoy balloon | left-handed | blonde hair | allergic to pollen |
| Nellie Bly | rope swinging | grappling hook | left-handed | red hair | afraid of heights |
| James Cook | rope swinging | grappling hook | right-handed | red hair | afraid of heights |
| Nathan Drake | canopy gliding | signal whistle | left-handed | brown hair | allergic to pollen |
| Robin Hood | tree vaulting | pocket drone | left-handed | red hair | afraid of heights |
| Dora Marquez | canopy gliding | grappling hook | left-handed | blonde hair | allergic to pollen |
Clue 1
Multiplication facts (1-12)
We find a box of dropped climbing spikes left on the grass. They are arranged in neat rows. If we multiply the rows together, we will get 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
21
40
77
121
32
84
84
120
32
96
6
11
77
72
96
11
T
21
40
120
121
77
120
20
11
64
33
77
T
21
6
56
11
96
77
3 × 7 =T
12 × 7 =L
3 × 11 =K
8 × 8 =C
12 × 10 =A
8 × 7 =R
10 × 2 =P
12 × 8 =N
10 × 4 =H
7 × 11 =E
11 × 11 =V
3 × 2 =D
8 × 4 =I
12 × 6 =S
11 × 1 =O
0/15 letters found
Clue 2
Subtraction
The thief dropped shiny gold coins along the dusty trail. We must compare them to the coins left in our supply pouch. Subtracting the difference reveals the path.
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
2919
1794
6278
T
2919
1794
2913
6278
7501
1794
6278
4665
8462
T
2919
1794
6278
1782
8914
5744
2913
2046
T
2919
1794
6278
2913
8210
4665
6278
7501
T
2919
1794
8914
2046
8462
3180 - 261 =T
9211 - 1710 =F
6106 - 3193 =I
13903 - 4989 =A
4645 - 2599 =N
3380 - 1598 =M
8324 - 3659 =L
3404 - 1610 =H
10189 - 1727 =D
11231 - 3021 =R
7292 - 1548 =P
10969 - 4691 =E
0/12 letters found
Clue 3
Addition
Our scouts count the broken branches on both the high path and the low path. Let us add them together to find the next hint.
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
2487
8298
3442
T
2487
8298
5804
3442
9313
2522
8298
5804
7986
3442
3413
3442
6236
7339
8298
3442
5939
2158
2026
2026
7536
5804
5939
9250
6236
2026
7339
5939
1592 + 895 =T
4516 + 3470 =V
1262 + 896 =L
895 + 1627 =S
1849 + 1593 =E
1219 + 807 =O
5449 + 3864 =F
3874 + 2362 =D
5372 + 2926 =H
4360 + 2979 =W
2232 + 1181 =R
3281 + 2658 =N
6243 + 3007 =G
3509 + 2295 =I
2379 + 5157 =K
0/15 letters found
Clue 4
Rounding
Our hand-held tracker shows a fuzzy distance number on the screen. We must round it to the nearest ten to get a clean signal.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
W
5000
4300
70
90
1700
300
30
110
3700
2900
900
300
30
110
90
70
2900
4300
30
2300
900
7000
2900
90
300
3700
2300
4300
2900
90
50
4300
Round 4,681 to the nearest thousandW
Round 7,125 to the nearest thousandI
Round 107 to the nearest tenS
Round 30 to the nearest tenD
Round 324 to the nearest hundredN
Round 2,856 to the nearest hundredR
Round 51 to the nearest tenP
Round 4,264 to the nearest hundredE
Round 91 to the nearest tenO
Round 3,739 to the nearest hundredT
Round 859 to the nearest hundredA
Round 1,728 to the nearest hundredU
Round 2,343 to the nearest hundredH
Round 74 to the nearest tenF
0/14 letters found
Clue 5
Division facts (1-12) — the last clue
We find a pack of energy bars dropped on the forest floor. If we share them equally among our rescue team, we can solve this final riddle.
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
33 ÷ 3 = ?
33 ÷ 11 = ?
48 ÷ 6 = ?
60 ÷ 10 = ?
72 ÷ 6 = ?
44 ÷ 11 = ?
90 ÷ 9 = ?
4 ÷ 2 = ?
63 ÷ 7 = ?
49 ÷ 7 = ?
2 ÷ 2 = ?
Step 2 — cross out the sentence with each answer
1.The villain scrambles up the tallest ivy vine, then shoots a grappling hook onto a high branch.
2.The villain glides silently over the tree line, then launches a pocket drone to scout ahead.
3.The villain swings across the river on a thick rope, then shoots a grappling hook onto a high branch.
4.The villain glides silently over the tree line, then inflates a decoy balloon to trick the guards.
5.The villain glides silently over the tree line, then blows a loud signal whistle to scare the birds.
6.The villain leaps over a fallen log with a giant pole vault, then inflates a decoy balloon to trick the guards.
7.The villain leaps over a fallen log with a giant pole vault, then blows a loud signal whistle to scare the birds.
8.The villain dashes across the shaking rope bridge, then blows a loud signal whistle to scare the birds.
9.The villain dashes across the shaking rope bridge, then launches a pocket drone to scout ahead.
10.The villain swings across the river on a thick rope, then uses night vision goggles to navigate the dark.
11.The villain dashes across the shaking rope bridge, then inflates a decoy balloon to trick the guards.
12.The villain dashes across the shaking rope bridge, then shoots a grappling hook onto a high branch.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Canopy Treehouse Caper
Culprit: Lewis Clark (canopy gliding · signal whistle · left-handed · red hair · afraid of heights)
- Clue 1 (Multiplication facts (1-12)): "THE VILLAIN DOES NOT HAVE A POCKET DRONE"3 × 7 = 21 (T) · 12 × 7 = 84 (L) · 3 × 11 = 33 (K) · 8 × 8 = 64 (C) · 12 × 10 = 120 (A) · 8 × 7 = 56 (R) · 10 × 2 = 20 (P) · 12 × 8 = 96 (N) · 10 × 4 = 40 (H) · 7 × 11 = 77 (E) · 11 × 11 = 121 (V) · 3 × 2 = 6 (D) · 8 × 4 = 32 (I) · 12 × 6 = 72 (S) · 11 × 1 = 11 (O)
- Clue 2 (Subtraction): "THE THIEF HELD THE MAP IN THEIR LEFT HAND"3180 - 261 = 2919 (T) · 9211 - 1710 = 7501 (F) · 6106 - 3193 = 2913 (I) · 13903 - 4989 = 8914 (A) · 4645 - 2599 = 2046 (N) · 3380 - 1598 = 1782 (M) · 8324 - 3659 = 4665 (L) · 3404 - 1610 = 1794 (H) · 10189 - 1727 = 8462 (D) · 11231 - 3021 = 8210 (R) · 7292 - 1548 = 5744 (P) · 10969 - 4691 = 6278 (E)
- Clue 3 (Addition): "THE THIEF SHIVERED WHEN LOOKING DOWN"1592 + 895 = 2487 (T) · 4516 + 3470 = 7986 (V) · 1262 + 896 = 2158 (L) · 895 + 1627 = 2522 (S) · 1849 + 1593 = 3442 (E) · 1219 + 807 = 2026 (O) · 5449 + 3864 = 9313 (F) · 3874 + 2362 = 6236 (D) · 5372 + 2926 = 8298 (H) · 4360 + 2979 = 7339 (W) · 2232 + 1181 = 3413 (R) · 3281 + 2658 = 5939 (N) · 6243 + 3007 = 9250 (G) · 3509 + 2295 = 5804 (I) · 2379 + 5157 = 7536 (K)
- Clue 4 (Rounding): "WE FOUND STRANDS OF RED HAIR ON THE ROPE"Round 4,681 to the nearest thousand = 5000 (W) · Round 7,125 to the nearest thousand = 7000 (I) · Round 107 to the nearest ten = 110 (S) · Round 30 to the nearest ten = 30 (D) · Round 324 to the nearest hundred = 300 (N) · Round 2,856 to the nearest hundred = 2900 (R) · Round 51 to the nearest ten = 50 (P) · Round 4,264 to the nearest hundred = 4300 (E) · Round 91 to the nearest ten = 90 (O) · Round 3,739 to the nearest hundred = 3700 (T) · Round 859 to the nearest hundred = 900 (A) · Round 1,728 to the nearest hundred = 1700 (U) · Round 2,343 to the nearest hundred = 2300 (H) · Round 74 to the nearest ten = 70 (F)
- Clue 5 (Division facts (1-12)): surviving statement (box 5) → Lewis Clark33 ÷ 3 = 11 · 33 ÷ 11 = 3 · 48 ÷ 6 = 8 · 60 ÷ 10 = 6 · 72 ÷ 6 = 12 · 44 ÷ 11 = 4 · 90 ÷ 9 = 10 · 4 ÷ 2 = 2 · 63 ÷ 7 = 9 · 49 ÷ 7 = 7 · 2 ÷ 2 = 1
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Multiplication, Subtraction, Addition, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Canopy Treehouse Caper — set in The Whispering Canopy
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects