Grade 4Reading: grades 3-4MultiplicationWord problemsMulti-step word problemsRoundingMissing addends
The Great Sky Dock Caper
The Golden Compass of Altura has been swiped from the Sky Docks! The Chief Aeronaut needs your help to track down the culprit. A sneaky Sky Bandit escaped on a wind-glider, leaving a trail of clues floating in the clouds. Grab your flight goggles and solve the math puzzles 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 | Flight Gear | Belt Gadget | Handedness | Hair Evidence | Known Weakness |
|---|---|---|---|---|---|
| Finn Float | Jet Pack | Sonic Whistle | Left Handed | Golden Blonde Strands | Stops For Snacks |
| Miles High | Jet Pack | Smoke Bombs | Right Handed | Dusty Brown Fibers | Allergic To Flowers |
| Hazel Cloud | Turbo Boots | Decoy Balloon | Left Handed | Golden Blonde Strands | Allergic To Flowers |
| Barnaby Blue | Cloud Stealth | Net Launcher | Left Handed | Golden Blonde Strands | Stops For Snacks |
| Daisy Drift | Cloud Stealth | Net Launcher | Right Handed | Bright Red Strands | Stops For Snacks |
| Kit Compass | Cloud Stealth | Net Launcher | Right Handed | Golden Blonde Strands | Stops For Snacks |
| Dashiell Dash | Wind Gliding | Decoy Balloon | Left Handed | Dusty Brown Fibers | Stops For Snacks |
| Brooke Breeze | Turbo Boots | Net Launcher | Left Handed | Golden Blonde Strands | Allergic To Flowers |
| Captain Cody | Jet Pack | Smoke Bombs | Right Handed | Dusty Brown Fibers | Stops For Snacks |
| Orville Orbit | Wind Gliding | Sonic Whistle | Right Handed | Golden Blonde Strands | Stops For Snacks |
| Buster Balloon | Jet Pack | Net Launcher | Left Handed | Bright Red Strands | Allergic To Flowers |
| Aero Arthur | Jet Pack | Sonic Whistle | Right Handed | Bright Red Strands | Fears Loud Noises |
| Amelia Air | Turbo Boots | Net Launcher | Left Handed | Golden Blonde Strands | Fears Loud Noises |
| Sasha Soar | Wind Gliding | Sonic Whistle | Left Handed | Dusty Brown Fibers | Allergic To Flowers |
| Wendy Wing | Wind Gliding | Compass Radar | Left Handed | Golden Blonde Strands | Stops For Snacks |
| Rusty Rotor | Grappling Hook | Compass Radar | Left Handed | Bright Red Strands | Stops For Snacks |
| Zelda Zephyr | Wind Gliding | Decoy Balloon | Left Handed | Golden Blonde Strands | Stops For Snacks |
| Skyler Swift | Wind Gliding | Decoy Balloon | Left Handed | Dusty Brown Fibers | Fears Loud Noises |
| Skylor Storm | Wind Gliding | Net Launcher | Left Handed | Golden Blonde Strands | Stops For Snacks |
| Jet Jag | Grappling Hook | Smoke Bombs | Left Handed | Bright Red Strands | Stops For Snacks |
| Penny Pilot | Wind Gliding | Net Launcher | Right Handed | Bright Red Strands | Stops For Snacks |
Clue 1
Multiplication facts (1-12)
The Cloud Patrol had to count the fuel crates in three different hangars and subtract the leaked barrels to get the final passcode. This unlocked the first sky-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
55
81
99
100
24
14
44
15
T
55
44
132
99
22
14
132
T
55
88
22
99
24
44
99
18
132
72
100
24
121
121
132
132
14
5 × 11 =T
11 × 12 =O
7 × 2 =N
11 × 11 =L
8 × 11 =U
11 × 9 =E
6 × 3 =C
2 × 11 =S
11 × 4 =D
12 × 2 =A
9 × 9 =H
10 × 10 =B
5 × 3 =I
12 × 6 =Y
0/14 letters found
Clue 2
Word problems
Barnaby solved a puzzle about sharing repair tools among the fleet to open the cargo hold door and find a secret notebook.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
L
42
8
17
11
73
79
26
D
8
D
Barnaby lined up 7 rows of 6 windmaps. How many windmaps in all?L
Barnaby lined up 2 rows of 4 goggles. How many goggles in all?E
Barnaby found 43 propellers yesterday and 36 more today. How many propellers in all?A
There were 78 propellers. 5 were used up. How many propellers are left?H
There were 36 windmaps. 10 were used up. How many windmaps are left?N
There were 34 windmaps. 17 were used up. How many windmaps are left?F
Barnaby found 8 sandbags yesterday and 3 more today. How many sandbags in all?T
0/7 letters found
Clue 3
Multi-step word problems
To start up the giant radar, we had to count the light bulbs arranged in five neat rows of eight. This activated the tracking screen!
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
S
15
54
72
69
S
15
80
72
81
S
15
23
A
C
K
S
15
There were 168 compasses in all. 3 Cloud Patrol used 26 compasses each. The other 6 Cloud Patrol shared the rest equally. How many compasses did each of the other Cloud Patrol get?S
Barnaby collected 122 windmaps in the morning and 22 windmaps in the afternoon, then split them equally among 2 Cloud Patrol. How many windmaps did each get?O
There were 82 goggles in all. 1 Cloud Patrol used 36 goggles each. The other 2 Cloud Patrol shared the rest equally. How many goggles did each of the other Cloud Patrol get?N
There were 303 goggles in all. 33 goggles were set aside. The rest were shared equally among 5 Cloud Patrol. How many goggles did each get?T
There were 843 goggles in all. 33 goggles were set aside. The rest were shared equally among 10 Cloud Patrol. How many goggles did each get?R
Barnaby earned 5 goggles in each of 4 rounds, plus 56 bonus goggles. Then 7 goggles were lost. How many goggles are left?P
There were 757 compasses in all. 37 compasses were set aside. The rest were shared equally among 9 Cloud Patrol. How many compasses did each get?F
0/7 letters found
Clue 4
Rounding
The broken altimeter only shows rounded numbers to the nearest ten. We estimated our height to read the blurry message on the screen!
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
20
1300
30
4300
170
50
900
370
430
70
50
290
300
4300
7000
900
1300
50
1700
7000
4300
50
900
1300
430
200
70
5000
Round 18 to the nearest tenW
Round 238 to the nearest hundredA
Round 291 to the nearest tenY
Round 69 to the nearest tenI
Round 931 to the nearest hundredD
Round 4,264 to the nearest hundredO
Round 1,348 to the nearest hundredE
Round 370 to the nearest tenS
Round 308 to the nearest hundredG
Round 5,370 to the nearest thousandR
Round 53 to the nearest tenN
Round 166 to the nearest tenU
Round 1,660 to the nearest hundredB
Round 431 to the nearest tenH
Round 7,450 to the nearest thousandL
Round 32 to the nearest tenF
0/16 letters found
Clue 5
Missing addends — the last clue
We knew the balloon ship needed ten sandbags to stay level, but only seven were left. Finding the missing amount pointed us right to the bandit!
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
6 + ___ = 9
28 + ___ = 29
2 + ___ = 10
12 + ___ = 14
12 + ___ = 24
28 + ___ = 38
4 + ___ = 13
6 + ___ = 13
20 + ___ = 26
37 + ___ = 42
21 + ___ = 25
Step 2 — cross out the sentence with each answer
1.The villain blends into the mist, then fires a rope into the clouds.
2.The villain zooms past the wind turbines, then tosses a fake balloon.
3.The villain zooms past the wind turbines, then tracks the wind currents.
4.The villain zooms past the wind turbines, then drops a screen of fog.
5.The villain blasts into the sky, then drops a screen of fog.
6.The villain blasts into the sky, then tracks the wind currents.
7.The villain blends into the mist, then tracks the wind currents.
8.The villain blasts into the sky, then calls a friendly sky-whale.
9.The villain leaps off the wooden dock, then drops a screen of fog.
10.The villain blends into the mist, then calls a friendly sky-whale.
11.The villain zooms past the wind turbines, then fires a rope into the clouds.
12.The villain zooms past the wind turbines, then calls a friendly sky-whale.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Sky Dock Caper
Culprit: Skylor Storm (Wind Gliding · Net Launcher · Left Handed · Golden Blonde Strands · Stops For Snacks)
- Clue 1 (Multiplication facts (1-12)): "THE BANDIT DOES NOT USE A DECOY BALLOON"5 × 11 = 55 (T) · 11 × 12 = 132 (O) · 7 × 2 = 14 (N) · 11 × 11 = 121 (L) · 8 × 11 = 88 (U) · 11 × 9 = 99 (E) · 6 × 3 = 18 (C) · 2 × 11 = 22 (S) · 11 × 4 = 44 (D) · 12 × 2 = 24 (A) · 9 × 9 = 81 (H) · 10 × 10 = 100 (B) · 5 × 3 = 15 (I) · 12 × 6 = 72 (Y)
- Clue 2 (Word problems): "LEFT HANDED"Barnaby lined up 7 rows of 6 windmaps. How many windmaps in all? = 42 (L) · Barnaby lined up 2 rows of 4 goggles. How many goggles in all? = 8 (E) · Barnaby found 43 propellers yesterday and 36 more today. How many propellers in all? = 79 (A) · There were 78 propellers. 5 were used up. How many propellers are left? = 73 (H) · There were 36 windmaps. 10 were used up. How many windmaps are left? = 26 (N) · There were 34 windmaps. 17 were used up. How many windmaps are left? = 17 (F) · Barnaby found 8 sandbags yesterday and 3 more today. How many sandbags in all? = 11 (T)
- Clue 3 (Multi-step word problems): "STOPS FOR SNACKS"There were 168 compasses in all. 3 Cloud Patrol used 26 compasses each. The other 6 Cloud Patrol shared the rest equally. How many compasses did each of the other Cloud Patrol get? = 15 (S) · Barnaby collected 122 windmaps in the morning and 22 windmaps in the afternoon, then split them equally among 2 Cloud Patrol. How many windmaps did each get? = 72 (O) · There were 82 goggles in all. 1 Cloud Patrol used 36 goggles each. The other 2 Cloud Patrol shared the rest equally. How many goggles did each of the other Cloud Patrol get? = 23 (N) · There were 303 goggles in all. 33 goggles were set aside. The rest were shared equally among 5 Cloud Patrol. How many goggles did each get? = 54 (T) · There were 843 goggles in all. 33 goggles were set aside. The rest were shared equally among 10 Cloud Patrol. How many goggles did each get? = 81 (R) · Barnaby earned 5 goggles in each of 4 rounds, plus 56 bonus goggles. Then 7 goggles were lost. How many goggles are left? = 69 (P) · There were 757 compasses in all. 37 compasses were set aside. The rest were shared equally among 9 Cloud Patrol. How many compasses did each get? = 80 (F)
- Clue 4 (Rounding): "WE FOUND SHINY GOLDEN BLONDE HAIR"Round 18 to the nearest ten = 20 (W) · Round 238 to the nearest hundred = 200 (A) · Round 291 to the nearest ten = 290 (Y) · Round 69 to the nearest ten = 70 (I) · Round 931 to the nearest hundred = 900 (D) · Round 4,264 to the nearest hundred = 4300 (O) · Round 1,348 to the nearest hundred = 1300 (E) · Round 370 to the nearest ten = 370 (S) · Round 308 to the nearest hundred = 300 (G) · Round 5,370 to the nearest thousand = 5000 (R) · Round 53 to the nearest ten = 50 (N) · Round 166 to the nearest ten = 170 (U) · Round 1,660 to the nearest hundred = 1700 (B) · Round 431 to the nearest ten = 430 (H) · Round 7,450 to the nearest thousand = 7000 (L) · Round 32 to the nearest ten = 30 (F)
- Clue 5 (Missing addends): surviving statement (box 11) → Skylor Storm6 + ___ = 9 = 3 · 28 + ___ = 29 = 1 · 2 + ___ = 10 = 8 · 12 + ___ = 14 = 2 · 12 + ___ = 24 = 12 · 28 + ___ = 38 = 10 · 4 + ___ = 13 = 9 · 6 + ___ = 13 = 7 · 20 + ___ = 26 = 6 · 37 + ___ = 42 = 5 · 21 + ___ = 25 = 4
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Multiplication, Word problems, Multi-step word problems, Rounding, Missing addends
- Reading level
- grades 3-4
- Theme
- The Great Sky Dock Caper — set in The Floating Sky Islands of Altura
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects