Grade 6Reading: grades 7-9Fractions of a numberMultiplicationWord problemsMulti-step word problems
The Aeros Vault Heist
A rogue cadet has broken into the high vault of Aeros Academy and stolen the legendary Chrono-Compass. The Head Archivist needs your navigation skills to track the thief across the Whispering Archipelago before they escape into the deep clouds.
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 | Navigation Skill | Sky Gadget | Steering Grip | Goggle Strap Mark | Navigational Flaw |
|---|---|---|---|---|---|
| Stella Stratus | Cloud-gliding | Aero-compass | Left-handed grip | Copper dust strands | Bright sun glare |
| Gale Goings | Cloud-gliding | Aero-compass | Left-handed grip | Silt braided hair | Cloud fog blindness |
| Piper Plum | Engine-tuning | Glow-lantern | Right-handed grip | Silver wind crop | Fear of high winds |
| Zephyr Vance | Star-charting | Aero-compass | Right-handed grip | Silt braided hair | Bright sun glare |
| Zara Zenith | Wind-steering | Aero-compass | Right-handed grip | Copper dust strands | Bright sun glare |
| Talon Trent | Grapple-swinging | Spy-glass | Left-handed grip | Copper dust strands | Fear of high winds |
| Cinder Skye | Grapple-swinging | Sun-prism | Left-handed grip | Silver wind crop | Fear of high winds |
| Ridge Runner | Grapple-swinging | Wind-whistle | Left-handed grip | Silt braided hair | Bright sun glare |
| Captain Barnaby | Wind-steering | Aero-compass | Left-handed grip | Copper dust strands | Bright sun glare |
| Drake Drifter | Wind-steering | Sun-prism | Left-handed grip | Silver wind crop | Bright sun glare |
| Echo Elytra | Grapple-swinging | Glow-lantern | Left-handed grip | Silver wind crop | Bright sun glare |
| Aero Vance | Grapple-swinging | Glow-lantern | Left-handed grip | Silver wind crop | Cloud fog blindness |
| Skyler Swift | Wind-steering | Aero-compass | Left-handed grip | Copper dust strands | Cloud fog blindness |
| Marina Mast | Wind-steering | Glow-lantern | Left-handed grip | Copper dust strands | Bright sun glare |
| Dallas Dawn | Engine-tuning | Aero-compass | Left-handed grip | Copper dust strands | Bright sun glare |
| Saber Sterling | Wind-steering | Sun-prism | Left-handed grip | Silt braided hair | Bright sun glare |
| Finley Finch | Grapple-swinging | Wind-whistle | Left-handed grip | Copper dust strands | Bright sun glare |
| Breeze Bracken | Grapple-swinging | Aero-compass | Left-handed grip | Silt braided hair | Cloud fog blindness |
| Nova North | Engine-tuning | Sun-prism | Left-handed grip | Silver wind crop | Cloud fog blindness |
| Rocco Ridge | Engine-tuning | Sun-prism | Right-handed grip | Silver wind crop | Cloud fog blindness |
| Orion Osprey | Engine-tuning | Wind-whistle | Right-handed grip | Silt braided hair | Cloud fog blindness |
Clue 1
Fractions of a number
The Academy map room was left in ruins, with only a fraction of the original flight plans remaining intact. Let us calculate how many charts are left to find our first lead.
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
15
8
2
28
13
40
22
2
31
13
2
38
14
13
T
15
8
3
20
2
3
5
39
14
31
5
8
39
38
T
15
24
2
1/3 of 45 =T
3/6 of 26 =O
1/4 of 156 =I
2/10 of 155 =D
2/6 of 42 =N
2/10 of 190 =S
2/10 of 120 =L
4/10 of 55 =U
2/4 of 16 =H
1/10 of 30 =A
2/3 of 30 =V
5/6 of 6 =W
2/10 of 10 =E
1/5 of 140 =R
4/5 of 50 =G
0/15 letters found
Clue 2
Multiplication facts (1-12)
To catch the rogue, we must load the pursuit vessel with crates of aero-fuel, which are packed in neat, identical rows. Solving the total count reveals a hidden steering grip.
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
7
44
12
64
110
33
49
81
49
144
110
99
12
99
49
84
12
77
T
7
44
49
33
32
12
32
108
64
8
40
7 × 1 =T
12 × 7 =L
4 × 8 =D
4 × 11 =H
3 × 11 =N
10 × 4 =P
11 × 7 =F
11 × 10 =U
7 × 7 =A
12 × 9 =G
12 × 12 =Y
9 × 9 =W
8 × 1 =I
8 × 8 =R
4 × 3 =E
9 × 11 =S
0/16 letters found
Clue 3
Word problems
A local cloud-dock merchant saw someone fleeing and dropped a satchel of tools. By figuring out the weight of the dropped gear, we can identify the rogue's weakness.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
B
21
58
68
84
64
23
101
U
N
84
L
A
58
E
There were 48 grapple-hook. 27 were used up. How many grapple-hook are left?B
Cadet found 22 wind-gauge yesterday and 46 more today. How many wind-gauge in all?I
There were 103 wind-gauge. 39 were used up. How many wind-gauge are left?H
Cadet found 37 wind-gauge yesterday and 21 more today. How many wind-gauge in all?R
There were 63 aero-compass. 40 were used up. How many aero-compass are left?T
There were 106 propeller-blade. 5 were used up. How many propeller-blade are left?S
Cadet lined up 12 rows of 7 wind-gauge. How many wind-gauge in all?G
0/7 letters found
Clue 4
Multi-step word problems
The rogue fled across three distinct wind currents, burning fuel at different rates and changing altitude along the way. Work out the final fuel reserves to trace their hair color.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
C
41
83
59
59
61
38
9
74
S
T
S
T
38
A
N
9
S
Cadet collected 97 grapple-hook in the morning and 26 grapple-hook in the afternoon, then split them equally among 3 Aeros Academy. How many grapple-hook did each get?C
Cadet collected 81 propeller-blade in the morning and 163 propeller-blade in the afternoon, then split them equally among 4 Aeros Academy. How many propeller-blade did each get?E
There were 40 wind-gauge in all. 4 wind-gauge were set aside. The rest were shared equally among 4 Aeros Academy. How many wind-gauge did each get?D
There were 267 sky-goggles in all. 1 Aeros Academy used 31 sky-goggles each. The other 4 Aeros Academy shared the rest equally. How many sky-goggles did each of the other Aeros Academy get?P
Cadet collected 39 sky-goggles in the morning and 113 sky-goggles in the afternoon, then split them equally among 4 Aeros Academy. How many sky-goggles did each get?R
There were 356 aero-compass in all. 24 aero-compass were set aside. The rest were shared equally among 4 Aeros Academy. How many aero-compass did each get?O
Cadet collected 56 propeller-blade in the morning and 388 propeller-blade in the afternoon, then split them equally among 6 Aeros Academy. How many propeller-blade did each get?U
0/7 letters found
Clue 5
Fractions of a number — the last clue
We recovered a cracked sky-crystal from the getaway launchpad. Calculating the remaining fraction of its power grid will tell us which gadget the thief left behind.
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
1/10 of 70 = ?
2/4 of 8 = ?
2/8 of 32 = ?
1/3 of 3 = ?
1/5 of 45 = ?
2/6 of 33 = ?
1/2 of 6 = ?
1/6 of 12 = ?
1/2 of 20 = ?
3/6 of 24 = ?
2/4 of 10 = ?
Step 2 — cross out the sentence with each answer
1.The villain tuned the engines to maximum speed, then spotted the distant patrol with a spy glass.
2.The villain tuned the engines to maximum speed, then blinded the guards with a sun prism.
3.The villain charted a direct course using the stars, then spotted the distant patrol with a spy glass.
4.The villain tuned the engines to maximum speed, then checked their bearings with an aero compass.
5.The villain charted a direct course using the stars, then summoned a gust using a wind whistle.
6.The villain steered the airship through a narrow canyon, then checked their bearings with an aero compass.
7.The villain steered the airship through a narrow canyon, then lit up the dark cavern with a glow lantern.
8.The villain glided silently between the clouds, then checked their bearings with an aero compass.
9.The villain tuned the engines to maximum speed, then summoned a gust using a wind whistle.
10.The villain swung across the sky docks with a grapple, then summoned a gust using a wind whistle.
11.The villain charted a direct course using the stars, then lit up the dark cavern with a glow lantern.
12.The villain steered the airship through a narrow canyon, then spotted the distant patrol with a spy glass.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Aeros Vault Heist
Culprit: Captain Barnaby (Wind-steering · Aero-compass · Left-handed grip · Copper dust strands · Bright sun glare)
- Clue 1 (Fractions of a number): "THE ROGUE DOES NOT HAVE A WIND WHISTLE"1/3 of 45 = 15 (T) · 3/6 of 26 = 13 (O) · 1/4 of 156 = 39 (I) · 2/10 of 155 = 31 (D) · 2/6 of 42 = 14 (N) · 2/10 of 190 = 38 (S) · 2/10 of 120 = 24 (L) · 4/10 of 55 = 22 (U) · 2/4 of 16 = 8 (H) · 1/10 of 30 = 3 (A) · 2/3 of 30 = 20 (V) · 5/6 of 6 = 5 (W) · 2/10 of 10 = 2 (E) · 1/5 of 140 = 28 (R) · 4/5 of 50 = 40 (G)
- Clue 2 (Multiplication facts (1-12)): "THE RUNAWAY USES A LEFT HANDED GRIP"7 × 1 = 7 (T) · 12 × 7 = 84 (L) · 4 × 8 = 32 (D) · 4 × 11 = 44 (H) · 3 × 11 = 33 (N) · 10 × 4 = 40 (P) · 11 × 7 = 77 (F) · 11 × 10 = 110 (U) · 7 × 7 = 49 (A) · 12 × 9 = 108 (G) · 12 × 12 = 144 (Y) · 9 × 9 = 81 (W) · 8 × 1 = 8 (I) · 8 × 8 = 64 (R) · 4 × 3 = 12 (E) · 9 × 11 = 99 (S)
- Clue 3 (Word problems): "BRIGHT SUN GLARE"There were 48 grapple-hook. 27 were used up. How many grapple-hook are left? = 21 (B) · Cadet found 22 wind-gauge yesterday and 46 more today. How many wind-gauge in all? = 68 (I) · There were 103 wind-gauge. 39 were used up. How many wind-gauge are left? = 64 (H) · Cadet found 37 wind-gauge yesterday and 21 more today. How many wind-gauge in all? = 58 (R) · There were 63 aero-compass. 40 were used up. How many aero-compass are left? = 23 (T) · There were 106 propeller-blade. 5 were used up. How many propeller-blade are left? = 101 (S) · Cadet lined up 12 rows of 7 wind-gauge. How many wind-gauge in all? = 84 (G)
- Clue 4 (Multi-step word problems): "COPPER DUST STRANDS"Cadet collected 97 grapple-hook in the morning and 26 grapple-hook in the afternoon, then split them equally among 3 Aeros Academy. How many grapple-hook did each get? = 41 (C) · Cadet collected 81 propeller-blade in the morning and 163 propeller-blade in the afternoon, then split them equally among 4 Aeros Academy. How many propeller-blade did each get? = 61 (E) · There were 40 wind-gauge in all. 4 wind-gauge were set aside. The rest were shared equally among 4 Aeros Academy. How many wind-gauge did each get? = 9 (D) · There were 267 sky-goggles in all. 1 Aeros Academy used 31 sky-goggles each. The other 4 Aeros Academy shared the rest equally. How many sky-goggles did each of the other Aeros Academy get? = 59 (P) · Cadet collected 39 sky-goggles in the morning and 113 sky-goggles in the afternoon, then split them equally among 4 Aeros Academy. How many sky-goggles did each get? = 38 (R) · There were 356 aero-compass in all. 24 aero-compass were set aside. The rest were shared equally among 4 Aeros Academy. How many aero-compass did each get? = 83 (O) · Cadet collected 56 propeller-blade in the morning and 388 propeller-blade in the afternoon, then split them equally among 6 Aeros Academy. How many propeller-blade did each get? = 74 (U)
- Clue 5 (Fractions of a number): surviving statement (box 6) → Captain Barnaby1/10 of 70 = 7 · 2/4 of 8 = 4 · 2/8 of 32 = 8 · 1/3 of 3 = 1 · 1/5 of 45 = 9 · 2/6 of 33 = 11 · 1/2 of 6 = 3 · 1/6 of 12 = 2 · 1/2 of 20 = 10 · 3/6 of 24 = 12 · 2/4 of 10 = 5
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Fractions of a number, Multiplication, Word problems, Multi-step word problems
- Reading level
- grades 7-9
- Theme
- The Aeros Vault Heist — set in Nimbus Station Sky Academy
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects