Grade 5Reading: grades 3-4Fractions of a numberOrder of operationsMultiplicationRounding
The Great Treehouse Map Caper
Someone snuck into the high treehouse headquarters and snatched the secret jungle treasure map! Solve the math clues to discover who stole the map and saved their getaway.
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 | Exploration Tool | Jungle Gadget | Strap Buckle | Hat Type | Distraction Item |
|---|---|---|---|---|---|
| Scout Sally | Glider Cape | Decoder Badge | Right Buckle | Leather Cap | Squeaky Frog |
| Navigator Nora | Vine Launcher | Pocket Flare | Right Buckle | Pith Helmet | Bright Mirror |
| Hunter Hannah | Vine Launcher | Whistle Key | Left Buckle | Canvas Visor | Squeaky Frog |
| Hunter Owen | Grappling Hook | Decoder Badge | Left Buckle | Canvas Visor | Squeaky Frog |
| Explorer Leo | Sun Telescope | Flashlight Watch | Right Buckle | Canvas Visor | Squeaky Frog |
| Scout Ben | Sun Telescope | Pith Helmet Cam | Left Buckle | Canvas Visor | Squeaky Frog |
| Ranger Ricky | Sun Telescope | Decoder Badge | Left Buckle | Pith Helmet | Bright Mirror |
| Trailblazer Lily | Grappling Hook | Whistle Key | Left Buckle | Canvas Visor | Squeaky Frog |
| Captain Carl | Vine Launcher | Flashlight Watch | Left Buckle | Pith Helmet | Squeaky Frog |
| Explorer Emma | Vine Launcher | Whistle Key | Right Buckle | Leather Cap | Smokey Berry |
| Tracker Tim | Vine Launcher | Pocket Flare | Left Buckle | Pith Helmet | Squeaky Frog |
| Ranger Oscar | Vine Launcher | Pocket Flare | Right Buckle | Leather Cap | Smokey Berry |
| Captain Ruby | Sun Telescope | Flashlight Watch | Right Buckle | Leather Cap | Bright Mirror |
| Rover Mia | Vine Launcher | Pocket Flare | Right Buckle | Leather Cap | Bright Mirror |
| Tracker Chloe | Sun Telescope | Flashlight Watch | Left Buckle | Pith Helmet | Smokey Berry |
| Guide Maya | Vine Launcher | Pocket Flare | Left Buckle | Pith Helmet | Bright Mirror |
| Navigator Zoe | Sun Telescope | Pith Helmet Cam | Right Buckle | Pith Helmet | Squeaky Frog |
| Pioneer Penny | Sun Telescope | Pith Helmet Cam | Left Buckle | Leather Cap | Squeaky Frog |
| Guide Greta | Glider Cape | Pocket Flare | Left Buckle | Pith Helmet | Squeaky Frog |
| Trailblazer Toby | Grappling Hook | Whistle Key | Left Buckle | Pith Helmet | Squeaky Frog |
| Pathfinder Sam | Grappling Hook | Decoder Badge | Left Buckle | Pith Helmet | Squeaky Frog |
Clue 1
Fractions of a number
Ranger Sam found a trail of jungle berries leading away from the map chest.
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
12
18
3
T
12
18
6
3
24
17
36
3
20
29
36
T
12
33
20
3
40
17
3
9
36
17
3
4
22
40
17
5
3
1/2 of 24 =T
1/5 of 20 =R
2/3 of 54 =O
4/6 of 60 =A
1/2 of 34 =D
3/10 of 110 =U
2/10 of 110 =B
2/8 of 72 =H
4/8 of 18 =C
8/10 of 25 =S
1/3 of 72 =F
2/6 of 87 =N
6/8 of 8 =I
1/3 of 9 =E
2/4 of 10 =G
0/15 letters found
Clue 2
Order of operations
To unlock the treehouse safety latch, the scouts solved a multi step gear code.
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
28
43
7
71
72
80
80
80
76
W
28
76
6
72
65
7
80
7
27
76
31
26
22
63
36
6
72
47
71
7
34
72
63
6
43
31
10 × 4 - 12 =W
6 + 2 × 8 =U
10 × 10 - 24 =A
14 + 4 × 5 =H
9 × 11 - 27 =E
9 × 5 - 2 =I
9 × 12 - 28 =S
12 × 7 - 13 =N
1 + 2 × 3 =T
17 + 7 × 2 =P
29 + 4 × 9 =F
11 × 4 - 8 =K
9 + 2 × 9 =R
23 + 3 × 8 =O
4 × 7 - 22 =L
28 + 5 × 7 =C
10 × 3 - 4 =B
0/17 letters found
Clue 3
Multiplication facts (1-12)
The explorers counted equal rows of supply crates left in the canopy shelter.
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
24
32
27
T
24
32
121
27
64
25
30
36
36
T
24
45
16
16
27
49
48
81
30
36
28
42
27
30
144
81
64
14
45
35
8 × 3 =T
4 × 7 =Q
7 × 5 =G
5 × 5 =W
3 × 9 =E
6 × 5 =A
6 × 7 =U
6 × 8 =B
8 × 8 =F
9 × 9 =Y
11 × 11 =I
4 × 4 =P
4 × 8 =H
4 × 9 =S
2 × 7 =R
7 × 7 =D
12 × 12 =K
9 × 5 =O
0/18 letters found
Clue 4
Rounding
The treehouse radar screen only displays blurred distance numbers rounded to the nearest ten.
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
2900
500
5000
4300
90
90
70
110
9000
70
4300
1700
4300
7000
A
2900
500
2300
A
2900
1700
110
70
50
4300
A
2900
4300
4300
90
70
4300
7000
70
70
Round 2,936 to the nearest hundredA
Round 94 to the nearest tenH
Round 69 to the nearest tenE
Round 4,296 to the nearest hundredT
Round 52 to the nearest tenF
Round 1,737 to the nearest hundredS
Round 2,253 to the nearest hundredW
Round 8,748 to the nearest thousandM
Round 114 to the nearest tenL
Round 6,759 to the nearest thousandR
Round 5,393 to the nearest thousandI
Round 489 to the nearest hundredP
0/12 letters found
Clue 5
Fractions of a number — the last clue
Detective Maya checked the fruit rations left in the camp kitchen to find another hint.
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
2/8 of 20 = ?
6/10 of 20 = ?
4/6 of 3 = ?
1/5 of 5 = ?
1/6 of 18 = ?
1/5 of 20 = ?
1/10 of 70 = ?
1/2 of 20 = ?
1/10 of 80 = ?
1/2 of 22 = ?
3/4 of 12 = ?
Step 2 — cross out the sentence with each answer
1.The villain zipped up the vine ladder, then snapped a photo of the ruins.
2.The villain zipped up the vine ladder, then lit up the dim hollow tree.
3.The villain zipped up the vine ladder, then decoded the carved secret emblem.
4.The villain scouted through the lenses, then snapped a photo of the ruins.
5.The villain zipped up the vine ladder, then marked the trail with a signal.
6.The villain soared down from the canopy, then marked the trail with a signal.
7.The villain swung across the rope bridge, then decoded the carved secret emblem.
8.The villain soared down from the canopy, then unlocked the wooden supply chest.
9.The villain soared down from the canopy, then decoded the carved secret emblem.
10.The villain scouted through the lenses, then decoded the carved secret emblem.
11.The villain zipped up the vine ladder, then unlocked the wooden supply chest.
12.The villain swung across the rope bridge, then unlocked the wooden supply chest.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Treehouse Map Caper
Culprit: Guide Greta (Glider Cape · Pocket Flare · Left Buckle · Pith Helmet · Squeaky Frog)
- Clue 1 (Fractions of a number): "THE THIEF DOES NOT USE A DECODER BADGE"1/2 of 24 = 12 (T) · 1/5 of 20 = 4 (R) · 2/3 of 54 = 36 (O) · 4/6 of 60 = 40 (A) · 1/2 of 34 = 17 (D) · 3/10 of 110 = 33 (U) · 2/10 of 110 = 22 (B) · 2/8 of 72 = 18 (H) · 4/8 of 18 = 9 (C) · 8/10 of 25 = 20 (S) · 1/3 of 72 = 24 (F) · 2/6 of 87 = 29 (N) · 6/8 of 8 = 6 (I) · 1/3 of 9 = 3 (E) · 2/4 of 10 = 5 (G)
- Clue 2 (Order of operations): "WITNESS SAW A LEFT STRAP BUCKLE ON THE CLIP"10 × 4 - 12 = 28 (W) · 6 + 2 × 8 = 22 (U) · 10 × 10 - 24 = 76 (A) · 14 + 4 × 5 = 34 (H) · 9 × 11 - 27 = 72 (E) · 9 × 5 - 2 = 43 (I) · 9 × 12 - 28 = 80 (S) · 12 × 7 - 13 = 71 (N) · 1 + 2 × 3 = 7 (T) · 17 + 7 × 2 = 31 (P) · 29 + 4 × 9 = 65 (F) · 11 × 4 - 8 = 36 (K) · 9 + 2 × 9 = 27 (R) · 23 + 3 × 8 = 47 (O) · 4 × 7 - 22 = 6 (L) · 28 + 5 × 7 = 63 (C) · 10 × 3 - 4 = 26 (B)
- Clue 3 (Multiplication facts (1-12)): "THE THIEF WAS STOPPED BY A SQUEAKY FROG"8 × 3 = 24 (T) · 4 × 7 = 28 (Q) · 7 × 5 = 35 (G) · 5 × 5 = 25 (W) · 3 × 9 = 27 (E) · 6 × 5 = 30 (A) · 6 × 7 = 42 (U) · 6 × 8 = 48 (B) · 8 × 8 = 64 (F) · 9 × 9 = 81 (Y) · 11 × 11 = 121 (I) · 4 × 4 = 16 (P) · 4 × 8 = 32 (H) · 4 × 9 = 36 (S) · 2 × 7 = 14 (R) · 7 × 7 = 49 (D) · 12 × 12 = 144 (K) · 9 × 5 = 45 (O)
- Clue 4 (Rounding): "A PITH HELMET STRAP WAS LEFT AT THE TREE"Round 2,936 to the nearest hundred = 2900 (A) · Round 94 to the nearest ten = 90 (H) · Round 69 to the nearest ten = 70 (E) · Round 4,296 to the nearest hundred = 4300 (T) · Round 52 to the nearest ten = 50 (F) · Round 1,737 to the nearest hundred = 1700 (S) · Round 2,253 to the nearest hundred = 2300 (W) · Round 8,748 to the nearest thousand = 9000 (M) · Round 114 to the nearest ten = 110 (L) · Round 6,759 to the nearest thousand = 7000 (R) · Round 5,393 to the nearest thousand = 5000 (I) · Round 489 to the nearest hundred = 500 (P)
- Clue 5 (Fractions of a number): surviving statement (box 6) → Guide Greta2/8 of 20 = 5 · 6/10 of 20 = 12 · 4/6 of 3 = 2 · 1/5 of 5 = 1 · 1/6 of 18 = 3 · 1/5 of 20 = 4 · 1/10 of 70 = 7 · 1/2 of 20 = 10 · 1/10 of 80 = 8 · 1/2 of 22 = 11 · 3/4 of 12 = 9
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Fractions of a number, Order of operations, Multiplication, Rounding
- Reading level
- grades 3-4
- Theme
- The Great Treehouse Map Caper — set in Whispering Canopy Outpost
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects