Grade 4Reading: grades 3-4Place valueRoundingAdditionSubtractionDivision
The Cloud Kingdom Caper
A sneaky sky bandit has snuck onto the flagship and stolen the legendary Compass of the Winds from the Chief Cartographer's cabin! We must search the floating docks to find the culprit before they sail away into the storm.
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 | Sky-Ship Gear | Carried Artifact | Steering Hand | Hair Color | Weakness |
|---|---|---|---|---|---|
| Clara | Steam Jet | Wind Whistle | Left-handed | Storm Blue | Sweet Apples |
| Ruby | Glider Wings | Map Decoder | Left-handed | Cloud White | Shiny Coins |
| Cooper | Steam Jet | Map Decoder | Right-handed | Cloud White | Sweet Apples |
| Pilot Leo | Steam Jet | Storm Lantern | Right-handed | Cloud White | Squeaky Toys |
| Oliver | Propeller Pack | Storm Lantern | Left-handed | Storm Blue | Shiny Coins |
| Captain Pete | Turbo Balloon | Map Decoder | Left-handed | Bright Orange | Sweet Apples |
| Penny | Propeller Pack | Spy Scope | Left-handed | Cloud White | Shiny Coins |
| Piper | Grapple Hook | Storm Lantern | Right-handed | Bright Orange | Squeaky Toys |
| Finn | Glider Wings | Storm Lantern | Right-handed | Cloud White | Sweet Apples |
| Zoe | Turbo Balloon | Storm Lantern | Left-handed | Cloud White | Sweet Apples |
| Toby | Glider Wings | Glow Compass | Right-handed | Cloud White | Squeaky Toys |
| Navigator Ned | Turbo Balloon | Wind Whistle | Left-handed | Storm Blue | Sweet Apples |
| Dash | Turbo Balloon | Map Decoder | Left-handed | Storm Blue | Squeaky Toys |
| Barnaby | Turbo Balloon | Storm Lantern | Right-handed | Cloud White | Sweet Apples |
| Jax | Turbo Balloon | Map Decoder | Right-handed | Cloud White | Shiny Coins |
| Hazel | Grapple Hook | Glow Compass | Right-handed | Cloud White | Squeaky Toys |
| Mechanic Maya | Steam Jet | Wind Whistle | Right-handed | Bright Orange | Squeaky Toys |
| Skipper Jill | Glider Wings | Spy Scope | Left-handed | Cloud White | Squeaky Toys |
| Felix | Grapple Hook | Wind Whistle | Right-handed | Cloud White | Squeaky Toys |
| Scout Sam | Propeller Pack | Map Decoder | Right-handed | Cloud White | Squeaky Toys |
| Bella | Steam Jet | Storm Lantern | Right-handed | Cloud White | Sweet Apples |
Clue 1
Place value
We found a locked vault on the sky-ship. The digits on the security keypad represent different values. Solve this place value puzzle 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
8000
90
3000
300
50
200
60
10
T
8000
60
500
3000
9000
200
500
T
8000
400
9000
3000
50
600
50
4000
60
3000
2000
500
60
3000
800
What is the value of the 8 in 8,279?T
What is the value of the 2 in 201?N
What is the value of the 5 in 8,458?A
What is the value of the 9 in 3,297?H
What is the value of the 3 in 4,362?B
What is the value of the 9 in 9,266?S
What is the value of the 2 in 2,847?C
What is the value of the 8 in 5,801?R
What is the value of the 1 in 613?I
What is the value of the 4 in 466?U
What is the value of the 4 in 54,709?P
What is the value of the 3 in 73,472?E
What is the value of the 5 in 547?O
What is the value of the 6 in 7,641?M
What is the value of the 6 in 860?D
0/15 letters found
Clue 2
Rounding
The ship's altitude meter is broken and only displays rounded numbers. Round these heights to the nearest ten to find the correct path through the clouds.
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
230
200
7000
300
3000
70
70
110
90
T
230
7000
7000
3000
90
70
1700
50
370
30
130
T
230
200
T
230
200
7000
3000
130
900
200
T
230
200
1300
1700
2000
Round 228 to the nearest tenT
Round 906 to the nearest hundredG
Round 86 to the nearest tenS
Round 7,096 to the nearest thousandE
Round 108 to the nearest tenK
Round 48 to the nearest tenL
Round 127 to the nearest tenI
Round 1,270 to the nearest hundredA
Round 67 to the nearest tenO
Round 374 to the nearest tenY
Round 1,725 to the nearest hundredN
Round 3,323 to the nearest thousandR
Round 318 to the nearest hundredC
Round 30 to the nearest tenW
Round 2,103 to the nearest thousandD
Round 237 to the nearest hundredH
0/16 letters found
Clue 3
Addition
We need to pack enough gear for the chase. Add up all the rope coils and life vests in the cargo boxes to see what we have.
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
8365
4452
3036
6395
5044
7633
4606
8314
6120
8314
6395
3988
7111
T
8365
4452
3036
6395
4452
3036
8314
5044
3138
7024
7633
3036
8314
9150
6395
T
8365
4788
6395
3138
4836 + 3529 =T
2095 + 2949 =R
2237 + 4158 =Y
1281 + 1857 =S
2824 + 1782 =N
2447 + 4664 =F
5826 + 3324 =K
4549 + 2475 =Q
1634 + 2818 =H
2054 + 4066 =W
4725 + 2908 =U
5010 + 3304 =A
2195 + 1793 =I
1447 + 1589 =E
2025 + 2763 =O
0/15 letters found
Clue 4
Subtraction
The bandit dropped a bag of heavy sky-stones to escape. Subtract the weight of the dropped stones from the total ship load to see how light we are.
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
6530
7302
5204
7301
5906
3315
5135
3026
5680
7301
5906
5135
W
6530
3352
4645
2142
7302
3352
3837
4645
6476
4645
3315
2142
3352
7302
3026
3837
8538
4645
3315
8536 - 2006 =W
2854 - 712 =T
9995 - 1457 =B
6239 - 1594 =I
3981 - 666 =N
9990 - 2689 =O
6131 - 996 =D
7453 - 2249 =F
7348 - 1668 =L
5954 - 2602 =H
6799 - 893 =U
11238 - 3936 =E
4871 - 1034 =A
7408 - 4382 =C
7484 - 1008 =R
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
We found a stash of energy cookies to share among our crew. Divide the cookies equally among the search teams so everyone gets an even share.
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
99 ÷ 11 = ?
80 ÷ 10 = ?
36 ÷ 12 = ?
40 ÷ 10 = ?
35 ÷ 5 = ?
20 ÷ 2 = ?
50 ÷ 10 = ?
30 ÷ 5 = ?
4 ÷ 4 = ?
6 ÷ 3 = ?
121 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain floated away in a turbo balloon, then blew a loud wind whistle.
2.The villain zoomed off with a propeller pack, then dropped a glowing compass.
3.The villain swung away using a grapple hook, then dropped a glowing compass.
4.The villain swung away using a grapple hook, then knocked over a storm lantern.
5.The villain blasted off with a steam jet, then shattered a brass spy scope.
6.The villain zoomed off with a propeller pack, then knocked over a storm lantern.
7.The villain floated away in a turbo balloon, then lost a wooden map decoder.
8.The villain blasted off with a steam jet, then knocked over a storm lantern.
9.The villain swung away using a grapple hook, then blew a loud wind whistle.
10.The villain blasted off with a steam jet, then dropped a glowing compass.
11.The villain blasted off with a steam jet, then blew a loud wind whistle.
12.The villain soared away on glider wings, then dropped a glowing compass.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Cloud Kingdom Caper
Culprit: Toby (Glider Wings · Glow Compass · Right-handed · Cloud White · Squeaky Toys)
- Clue 1 (Place value): "THE BANDIT DOES NOT USE A MAP DECODER"What is the value of the 8 in 8,279? = 8000 (T) · What is the value of the 2 in 201? = 200 (N) · What is the value of the 5 in 8,458? = 50 (A) · What is the value of the 9 in 3,297? = 90 (H) · What is the value of the 3 in 4,362? = 300 (B) · What is the value of the 9 in 9,266? = 9000 (S) · What is the value of the 2 in 2,847? = 2000 (C) · What is the value of the 8 in 5,801? = 800 (R) · What is the value of the 1 in 613? = 10 (I) · What is the value of the 4 in 466? = 400 (U) · What is the value of the 4 in 54,709? = 4000 (P) · What is the value of the 3 in 73,472? = 3000 (E) · What is the value of the 5 in 547? = 500 (O) · What is the value of the 6 in 7,641? = 600 (M) · What is the value of the 6 in 860? = 60 (D)
- Clue 2 (Rounding): "THE CROOK STEERS ONLY WITH THE RIGHT HAND"Round 228 to the nearest ten = 230 (T) · Round 906 to the nearest hundred = 900 (G) · Round 86 to the nearest ten = 90 (S) · Round 7,096 to the nearest thousand = 7000 (E) · Round 108 to the nearest ten = 110 (K) · Round 48 to the nearest ten = 50 (L) · Round 127 to the nearest ten = 130 (I) · Round 1,270 to the nearest hundred = 1300 (A) · Round 67 to the nearest ten = 70 (O) · Round 374 to the nearest ten = 370 (Y) · Round 1,725 to the nearest hundred = 1700 (N) · Round 3,323 to the nearest thousand = 3000 (R) · Round 318 to the nearest hundred = 300 (C) · Round 30 to the nearest ten = 30 (W) · Round 2,103 to the nearest thousand = 2000 (D) · Round 237 to the nearest hundred = 200 (H)
- Clue 3 (Addition): "THEY RUN AWAY IF THEY HEAR SQUEAKY TOYS"4836 + 3529 = 8365 (T) · 2095 + 2949 = 5044 (R) · 2237 + 4158 = 6395 (Y) · 1281 + 1857 = 3138 (S) · 2824 + 1782 = 4606 (N) · 2447 + 4664 = 7111 (F) · 5826 + 3324 = 9150 (K) · 4549 + 2475 = 7024 (Q) · 1634 + 2818 = 4452 (H) · 2054 + 4066 = 6120 (W) · 4725 + 2908 = 7633 (U) · 5010 + 3304 = 8314 (A) · 2195 + 1793 = 3988 (I) · 1447 + 1589 = 3036 (E) · 2025 + 2763 = 4788 (O)
- Clue 4 (Subtraction): "WE FOUND CLOUD WHITE HAIR IN THE CABIN"8536 - 2006 = 6530 (W) · 2854 - 712 = 2142 (T) · 9995 - 1457 = 8538 (B) · 6239 - 1594 = 4645 (I) · 3981 - 666 = 3315 (N) · 9990 - 2689 = 7301 (O) · 6131 - 996 = 5135 (D) · 7453 - 2249 = 5204 (F) · 7348 - 1668 = 5680 (L) · 5954 - 2602 = 3352 (H) · 6799 - 893 = 5906 (U) · 11238 - 3936 = 7302 (E) · 4871 - 1034 = 3837 (A) · 7408 - 4382 = 3026 (C) · 7484 - 1008 = 6476 (R)
- Clue 5 (Division facts (1-12)): surviving statement (box 12) → Toby99 ÷ 11 = 9 · 80 ÷ 10 = 8 · 36 ÷ 12 = 3 · 40 ÷ 10 = 4 · 35 ÷ 5 = 7 · 20 ÷ 2 = 10 · 50 ÷ 10 = 5 · 30 ÷ 5 = 6 · 4 ÷ 4 = 1 · 6 ÷ 3 = 2 · 121 ÷ 11 = 11
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Place value, Rounding, Addition, Subtraction, Division
- Reading level
- grades 3-4
- Theme
- The Cloud Kingdom Caper — set in The Floating Isles of Zephyria
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects