Math Crackers
Grade 5Reading: grades 3-4Fractions of a numberMulti-step word problemsWord problemsOrder of operationsDivision

The Canopy Mystery

The golden compass of the Treehouse Club has vanished from the jungle basecamp! A sneaky intruder climbed the vines and swapped it with a plain yellow leaf. It is up to you to follow the clues, match the gear, and find the culprit before they escape into the deep forest.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameJungle GearCamp SkillHand GripHeadwearJungle Fear
Hunter HopeNight GogglesCamp CookLeft Handed GripGreen Pith HatFear of Water
Explorer EliPocket CompassKnot TyerRight Handed GripBlue CapFear of Heights
Green GaryGrappling HookKnot TyerRight Handed GripRed BandanaFear of Heights
Pathfinder PatNight GogglesTrail MarkerRight Handed GripGreen Pith HatFear of Water
Safari SamGrappling HookKnot TyerRight Handed GripRed BandanaFear of Spiders
Captain ColePocket CompassTrail MarkerRight Handed GripBlue CapFear of Spiders
Scout BaileyBrass TelescopeAnimal WhispererRight Handed GripGreen Pith HatFear of Water
Una UnderhillJungle MacheteCamp CookRight Handed GripGreen Pith HatFear of Spiders
Zuma ZoeyPocket CompassAnimal WhispererRight Handed GripRed BandanaFear of Spiders
Jungle JanePocket CompassTrail MarkerLeft Handed GripGreen Pith HatFear of Heights
Oakly OliverGrappling HookCamp CookRight Handed GripGreen Pith HatFear of Water
Navigator NedBrass TelescopeCamp CookRight Handed GripRed BandanaFear of Spiders
Dora FinderBrass TelescopeShelter BuilderLeft Handed GripGreen Pith HatFear of Heights
Lea LeafJungle MacheteAnimal WhispererRight Handed GripRed BandanaFear of Water
Valley ValNight GogglesTrail MarkerLeft Handed GripBlue CapFear of Spiders
River RobinGrappling HookCamp CookRight Handed GripGreen Pith HatFear of Spiders
Ranger AlexGrappling HookShelter BuilderRight Handed GripGreen Pith HatFear of Water
Flora ForestPocket CompassAnimal WhispererRight Handed GripGreen Pith HatFear of Water
Wilder WyattNight GogglesTrail MarkerRight Handed GripRed BandanaFear of Water
Mapmaker MaxPocket CompassCamp CookLeft Handed GripRed BandanaFear of Heights
Kip KampGrappling HookCamp CookRight Handed GripRed BandanaFear of Heights
Clue 1

Fractions of a number

Ranger Rick found a backpack of abandoned gear near the old rope bridge. We need to add up the canteen bottles and lost tools to see who owned this pack.

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
13
26
6
23
14
40
40
37
14
35
14
17
35
33
T
13
37
17
26
6
40
T
13
6
19
4
32
14
40
24
6
19
2/4 of 26 =T
2/4 of 74 =A
8/10 of 50 =L
2/8 of 104 =H
1/4 of 76 =R
7/8 of 16 =I
1/6 of 138 =V
2/5 of 60 =D
2/10 of 160 =U
6/8 of 8 =E
5/10 of 70 =N
3/6 of 8 =B
2/8 of 132 =O
1/5 of 85 =S
0/14 letters found
Clue 2

Multi-step word problems

To open the heavy ancient temple door, we must carry crates of supplies up the steps. We need to add the heavy ropes and subtract the broken torches to find the exact weight.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Awitnesssawthevillainwas
R
66
80
86
58
29
58
6
47
D
 
E
 
D
 
86
R
66
80
P
 
.
Ranger Rick filled 2 boxes with 2 bananas each, then found 62 more bananas. How many bananas are there in all?R
Ranger Rick collected 138 compasses in the morning and 97 compasses in the afternoon, then split them equally among 5 The Treehouse Club. How many compasses did each get?N
Ranger Rick collected 129 compasses in the morning and 111 compasses in the afternoon, then split them equally among 3 The Treehouse Club. How many compasses did each get?I
There were 77 bananas in all. 23 bananas were set aside. The rest were shared equally among 9 The Treehouse Club. How many bananas did each get?A
There were 117 jungle vines in all. 30 jungle vines were set aside. The rest were shared equally among 3 The Treehouse Club. How many jungle vines did each get?T
Ranger Rick collected 116 gold coins in the morning and 58 gold coins in the afternoon, then split them equally among 3 The Treehouse Club. How many gold coins did each get?H
Ranger Rick collected 56 compasses in the morning and 374 compasses in the afternoon, then split them equally among 5 The Treehouse Club. How many compasses did each get?G
0/7 letters found
Clue 3

Word problems

The crew stopped to rest under a giant banana tree. A cheeky monkey swung down and took a fraction of our fresh fruit, and we must calculate the exact amount left.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Someonescaredthevillainoffwith
F
96
42
110
118
109
F
96
79
110
106
42
118
.
There were 103 jungle vines. 7 were used up. How many jungle vines are left?F
Ranger Rick found 74 bananas yesterday and 5 more today. How many bananas in all?W
There were 130 binoculars. 24 were used up. How many binoculars are left?T
Ranger Rick found 7 compasses yesterday and 111 more today. How many compasses in all?R
Ranger Rick lined up 6 rows of 7 gold coins. How many gold coins in all?E
Ranger Rick lined up 10 rows of 11 binoculars. How many binoculars in all?A
Ranger Rick found 24 bananas yesterday and 85 more today. How many bananas in all?O
0/7 letters found
Clue 4

Order of operations

We found a small brass locked box hidden in a hollow log. To open the lock, we must solve a secret jungle puzzle by doing our multiplication before our addition.

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
49
24
23
7
39
62
47
53
50
69
24
24
62
16
25
65
19
19
53
65
7
62
65
19
24
65
69
53
25
56
9 × 8 - 23 =W
6 × 9 - 30 =E
9 + 2 × 5 =H
47 + 3 × 6 =T
8 × 9 - 22 =G
7 × 5 - 12 =F
12 × 3 - 11 =I
3 × 12 - 29 =O
3 × 6 - 2 =P
9 × 8 - 3 =R
50 + 2 × 6 =N
11 × 6 - 13 =A
7 + 8 × 4 =U
6 × 12 - 25 =D
8 × 9 - 16 =L
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

A pile of shiny gold coins was left scattered in the ferns. If we share them equally among our team of explorers, the leftover coins will point to where the runaway went.

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
72 ÷ 9 = ?
49 ÷ 7 = ?
18 ÷ 9 = ?
7 ÷ 7 = ?
48 ÷ 8 = ?
121 ÷ 11 = ?
32 ÷ 8 = ?
10 ÷ 1 = ?
120 ÷ 10 = ?
50 ÷ 10 = ?
27 ÷ 3 = ?
Step 2 — cross out the sentence with each answer
1.The villain sneaks through the dark jungle, then builds a leafy rain shelter.
2.The villain swings across the canyon, then cooks a spicy jungle stew.
3.The villain follows the magnetic north, then befriends a wild parrot.
4.The villain scans the tree canopy, then ties a perfect square knot.
5.The villain swings across the canyon, then ties a perfect square knot.
6.The villain scans the tree canopy, then cooks a spicy jungle stew.
7.The villain sneaks through the dark jungle, then marks the path with bright paint.
8.The villain scans the tree canopy, then befriends a wild parrot.
9.The villain sneaks through the dark jungle, then befriends a wild parrot.
10.The villain follows the magnetic north, then marks the path with bright paint.
11.The villain sneaks through the dark jungle, then ties a perfect square knot.
12.The villain scans the tree canopy, then builds a leafy rain shelter.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Fractions of a number, Multi-step word problems, Word problems, Order of operations, Division
Reading level
grades 3-4
Theme
The Canopy Mystery — set in The Lost Jungle Treehouse
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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