Grade 6Reading: grades 5-6RoundingWord problemsBar modelsMulti-step word problemsMissing addends
The Sunken Canopy Sabotage
During a high-stakes expedition into the uncharted Sunken Canopy, someone sabotaged the main camp and stole critical mapping coordinates! Expedition Leader Maya needs your detective skills to analyze field notes, track down evidence, and identify the rogue explorer responsible.
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 | Specialist Gear | Jungle Artifact | Dominant Hand | Headgear Type | Distraction Item |
|---|---|---|---|---|---|
| Captain Vance | grappling hook | jade idol | left handed | green visor | shiny mirror |
| Ranger Kelly | smoke bombs | ruby amulet | left handed | green visor | shiny mirror |
| Guide Sterling | glider wings | bronze compass | left handed | red bandana | shiny mirror |
| Tracker Hayes | glider wings | ruby amulet | left handed | blue helmet | shiny mirror |
| Navigator Blake | grappling hook | ruby amulet | left handed | blue helmet | whistle sound |
| Chief Stone | grappling hook | ruby amulet | left handed | red bandana | trail mix |
| Cartographer Poe | glider wings | bronze compass | right handed | green visor | shiny mirror |
| Commander Vance | stealth cloak | golden scarab | right handed | red bandana | shiny mirror |
| Surveyor Diaz | grappling hook | silver dagger | left handed | green visor | shiny mirror |
| Scout Miller | smoke bombs | silver dagger | right handed | blue helmet | whistle sound |
| Explorer Dax | sonar compass | bronze compass | left handed | green visor | whistle sound |
| Marshal Reed | smoke bombs | bronze compass | right handed | blue helmet | whistle sound |
| Dr Elena | stealth cloak | bronze compass | right handed | red bandana | trail mix |
| Cadet Toby | grappling hook | golden scarab | left handed | red bandana | whistle sound |
| Archivist Flynn | sonar compass | golden scarab | left handed | green visor | whistle sound |
| Professor Oak | smoke bombs | silver dagger | right handed | blue helmet | shiny mirror |
| Tracker Bruno | sonar compass | golden scarab | left handed | green visor | shiny mirror |
| Specialist Nova | smoke bombs | ruby amulet | left handed | green visor | trail mix |
| Officer Grant | sonar compass | ruby amulet | left handed | green visor | shiny mirror |
| Agent Rivers | glider wings | silver dagger | right handed | blue helmet | whistle sound |
| Sleuth Morgan | sonar compass | ruby amulet | right handed | green visor | shiny mirror |
Clue 1
Rounding
The altar display panel rounds all energy readings to the nearest hundred. Decode the display to unlock the 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
900
2900
290
5000
700
500
500
50
700
200
170
370
290
7000
200
370
T
900
2900
50
5000
290
T
900
2900
290
130
370
500
170
290
200
7000
1100
50
90
50
4300
Round 923 to the nearest hundredT
Round 4,318 to the nearest hundredB
Round 6,905 to the nearest thousandS
Round 134 to the nearest tenG
Round 1,059 to the nearest hundredC
Round 2,854 to the nearest hundredH
Round 170 to the nearest tenD
Round 86 to the nearest tenR
Round 287 to the nearest tenE
Round 487 to the nearest hundredL
Round 706 to the nearest hundredI
Round 5,475 to the nearest thousandV
Round 179 to the nearest hundredN
Round 46 to the nearest tenA
Round 369 to the nearest tenO
0/15 letters found
Clue 2
Word problems
A locked expedition crate requires solving supply distribution math to retrieve the secret note.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
L
14
7
96
91
49
65
11
D
7
D
There were 18 canteen supplies. 4 were used up. How many canteen supplies are left?L
Senior Explorer lined up 7 rows of 7 canteen supplies. How many canteen supplies in all?H
There were 48 field notebooks. 37 were used up. How many field notebooks are left?N
Senior Explorer found 5 climbing ropes yesterday and 60 more today. How many climbing ropes in all?A
Senior Explorer found 77 field notebooks yesterday and 19 more today. How many field notebooks in all?F
Senior Explorer found 28 field notebooks yesterday and 63 more today. How many field notebooks in all?T
Senior Explorer found 2 ration packs yesterday and 5 more today. How many ration packs in all?E
0/7 letters found
Clue 3
Bar model word problems
The jungle camp blueprint uses stacked bar models to compare team equipment totals. Read the chart to find the next clue.
Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
S
88
29
10
119
131
50
10
35
35
O
35
Senior Explorer has 176 ration packs, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→S
Senior Explorer has 100 field notebooks, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→M
Senior Explorer has 7 times as many expedition compasses as a teammate. The teammate has 5 expedition compasses. How many expedition compasses does Senior Explorer have?
draw a bar model
Answer:→R
The red team has 168 field notebooks and the blue team has 37 field notebooks. How many more field notebooks does the red team have?
draw a bar model
Answer:→Y
Senior Explorer has 238 expedition compasses, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→N
Senior Explorer has 5 times as many expedition compasses as a teammate. The teammate has 2 expedition compasses. How many expedition compasses does Senior Explorer have?
draw a bar model
Answer:→I
There were 55 field notebooks in all. 26 field notebooks were used. How many field notebooks are left?
draw a bar model
Answer:→H
0/7 letters found
Clue 4
Multi-step word problems
Navigating the ancient stone maze requires multi-step distance calculations to uncover the hidden message.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
G
16
79
89
89
73
43
51
41
O
79
Senior Explorer collected 19 ration packs in the morning and 45 ration packs in the afternoon, then split them equally among 4 Vanguard Trailblazers. How many ration packs did each get?G
Senior Explorer collected 60 climbing ropes in the morning and 112 climbing ropes in the afternoon, then split them equally among 4 Vanguard Trailblazers. How many climbing ropes did each get?V
There were 448 climbing ropes in all. 38 climbing ropes were set aside. The rest were shared equally among 10 Vanguard Trailblazers. How many climbing ropes did each get?S
Senior Explorer collected 178 ration packs in the morning and 41 ration packs in the afternoon, then split them equally among 3 Vanguard Trailblazers. How many ration packs did each get?N
There were 475 canteen supplies in all. 1 Vanguard Trailblazers used 30 canteen supplies each. The other 5 Vanguard Trailblazers shared the rest equally. How many canteen supplies did each of the other Vanguard Trailblazers get?E
Senior Explorer filled 8 boxes with 2 climbing ropes each, then found 63 more climbing ropes. How many climbing ropes are there in all?R
There were 252 field notebooks in all. 2 Vanguard Trailblazers used 24 field notebooks each. The other 4 Vanguard Trailblazers shared the rest equally. How many field notebooks did each of the other Vanguard Trailblazers get?I
0/7 letters found
Clue 5
Missing addends — the last clue
The temple vault door will only unlatch when the missing power values are calculated correctly.
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
21 + ___ = 27
35 + ___ = 37
3 + ___ = 14
33 + ___ = 42
28 + ___ = 29
13 + ___ = 17
14 + ___ = 19
12 + ___ = 20
31 + ___ = 43
28 + ___ = 38
27 + ___ = 30
Step 2 — cross out the sentence with each answer
1.The villain creates a cloud of smoke with smoke bombs, then claims the sacred golden scarab.
2.The villain zips across chasms with a grappling hook, then wields an ornate silver dagger.
3.The villain soars over the jungle on glider wings, then wields an ornate silver dagger.
4.The villain soars over the jungle on glider wings, then pockets a heavy jade idol.
5.The villain navigates dark caves using a sonar compass, then clutches an antique bronze compass.
6.The villain zips across chasms with a grappling hook, then pockets a heavy jade idol.
7.The villain navigates dark caves using a sonar compass, then carries a glowing ruby amulet.
8.The villain vanishes into shadows with a stealth cloak, then wields an ornate silver dagger.
9.The villain zips across chasms with a grappling hook, then clutches an antique bronze compass.
10.The villain zips across chasms with a grappling hook, then claims the sacred golden scarab.
11.The villain creates a cloud of smoke with smoke bombs, then carries a glowing ruby amulet.
12.The villain vanishes into shadows with a stealth cloak, then carries a glowing ruby amulet.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Sunken Canopy Sabotage
Culprit: Officer Grant (sonar compass · ruby amulet · left handed · green visor · shiny mirror)
- Clue 1 (Rounding): "THE VILLAIN DOES NOT HAVE THE GOLDEN SCARAB"Round 923 to the nearest hundred = 900 (T) · Round 4,318 to the nearest hundred = 4300 (B) · Round 6,905 to the nearest thousand = 7000 (S) · Round 134 to the nearest ten = 130 (G) · Round 1,059 to the nearest hundred = 1100 (C) · Round 2,854 to the nearest hundred = 2900 (H) · Round 170 to the nearest ten = 170 (D) · Round 86 to the nearest ten = 90 (R) · Round 287 to the nearest ten = 290 (E) · Round 487 to the nearest hundred = 500 (L) · Round 706 to the nearest hundred = 700 (I) · Round 5,475 to the nearest thousand = 5000 (V) · Round 179 to the nearest hundred = 200 (N) · Round 46 to the nearest ten = 50 (A) · Round 369 to the nearest ten = 370 (O)
- Clue 2 (Word problems): "LEFT HANDED"There were 18 canteen supplies. 4 were used up. How many canteen supplies are left? = 14 (L) · Senior Explorer lined up 7 rows of 7 canteen supplies. How many canteen supplies in all? = 49 (H) · There were 48 field notebooks. 37 were used up. How many field notebooks are left? = 11 (N) · Senior Explorer found 5 climbing ropes yesterday and 60 more today. How many climbing ropes in all? = 65 (A) · Senior Explorer found 77 field notebooks yesterday and 19 more today. How many field notebooks in all? = 96 (F) · Senior Explorer found 28 field notebooks yesterday and 63 more today. How many field notebooks in all? = 91 (T) · Senior Explorer found 2 ration packs yesterday and 5 more today. How many ration packs in all? = 7 (E)
- Clue 3 (Bar model word problems): "SHINY MIRROR"Senior Explorer has 176 ration packs, packed 2 to a bag. How many bags can be filled? = 88 (S) · Senior Explorer has 100 field notebooks, packed 2 to a bag. How many bags can be filled? = 50 (M) · Senior Explorer has 7 times as many expedition compasses as a teammate. The teammate has 5 expedition compasses. How many expedition compasses does Senior Explorer have? = 35 (R) · The red team has 168 field notebooks and the blue team has 37 field notebooks. How many more field notebooks does the red team have? = 131 (Y) · Senior Explorer has 238 expedition compasses, packed 2 to a bag. How many bags can be filled? = 119 (N) · Senior Explorer has 5 times as many expedition compasses as a teammate. The teammate has 2 expedition compasses. How many expedition compasses does Senior Explorer have? = 10 (I) · There were 55 field notebooks in all. 26 field notebooks were used. How many field notebooks are left? = 29 (H)
- Clue 4 (Multi-step word problems): "GREEN VISOR"Senior Explorer collected 19 ration packs in the morning and 45 ration packs in the afternoon, then split them equally among 4 Vanguard Trailblazers. How many ration packs did each get? = 16 (G) · Senior Explorer collected 60 climbing ropes in the morning and 112 climbing ropes in the afternoon, then split them equally among 4 Vanguard Trailblazers. How many climbing ropes did each get? = 43 (V) · There were 448 climbing ropes in all. 38 climbing ropes were set aside. The rest were shared equally among 10 Vanguard Trailblazers. How many climbing ropes did each get? = 41 (S) · Senior Explorer collected 178 ration packs in the morning and 41 ration packs in the afternoon, then split them equally among 3 Vanguard Trailblazers. How many ration packs did each get? = 73 (N) · There were 475 canteen supplies in all. 1 Vanguard Trailblazers used 30 canteen supplies each. The other 5 Vanguard Trailblazers shared the rest equally. How many canteen supplies did each of the other Vanguard Trailblazers get? = 89 (E) · Senior Explorer filled 8 boxes with 2 climbing ropes each, then found 63 more climbing ropes. How many climbing ropes are there in all? = 79 (R) · There were 252 field notebooks in all. 2 Vanguard Trailblazers used 24 field notebooks each. The other 4 Vanguard Trailblazers shared the rest equally. How many field notebooks did each of the other Vanguard Trailblazers get? = 51 (I)
- Clue 5 (Missing addends): surviving statement (box 7) → Officer Grant21 + ___ = 27 = 6 · 35 + ___ = 37 = 2 · 3 + ___ = 14 = 11 · 33 + ___ = 42 = 9 · 28 + ___ = 29 = 1 · 13 + ___ = 17 = 4 · 14 + ___ = 19 = 5 · 12 + ___ = 20 = 8 · 31 + ___ = 43 = 12 · 28 + ___ = 38 = 10 · 27 + ___ = 30 = 3
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Rounding, Word problems, Bar models, Multi-step word problems, Missing addends
- Reading level
- grades 5-6
- Theme
- The Sunken Canopy Sabotage — set in Deep inside the Sunken Canopy Rainforest
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects