Grade 4Reading: grades 3-4MultiplicationWord problemsRoundingMulti-step word problemsDivision
The Great Sky Heist
A sneaky Sky Bandit has stolen the legendary Golden Compass from the Chief Cartographer! We must search the floating islands, gather clues, and find the bandit before they sail away into the endless 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 | Escape Gear | Special Tool | Writing Hand | Hair Evidence | Secret Weakness |
|---|---|---|---|---|---|
| Oliver Orbit | bubble shield | sonic whistle | right-handed writer | bright green hair | sticky honey |
| Maya Cloud | rocket boots | clover charm | right-handed writer | bright green hair | tickle feather |
| Piper Pilot | wind blaster | fog lantern | right-handed writer | bright green hair | loud bell |
| Ben Breeze | grappling hook | fog lantern | left-handed writer | neon orange hair | loud bell |
| Jax Jetstream | wind blaster | sonic whistle | left-handed writer | neon orange hair | tickle feather |
| Toby Tempest | wind blaster | clover charm | right-handed writer | bright green hair | sticky honey |
| Rusty Rotor | glider pack | sonic whistle | right-handed writer | bright green hair | loud bell |
| Marco Polo | grappling hook | sonic whistle | right-handed writer | deep purple hair | loud bell |
| Finn Falcon | glider pack | clover charm | left-handed writer | bright green hair | sticky honey |
| Stella Storm | wind blaster | magnet glove | left-handed writer | bright green hair | sticky honey |
| Leo Windrunner | grappling hook | decoder lens | right-handed writer | bright green hair | sticky honey |
| Sally Ride | rocket boots | fog lantern | right-handed writer | bright green hair | sticky honey |
| Barnaby Blue | rocket boots | magnet glove | left-handed writer | bright green hair | sticky honey |
| Ivy Aero | rocket boots | clover charm | right-handed writer | neon orange hair | sticky honey |
| Zara Zephyr | wind blaster | clover charm | right-handed writer | neon orange hair | tickle feather |
| Captain Caleb | glider pack | fog lantern | left-handed writer | bright green hair | loud bell |
| Dash Danger | grappling hook | sonic whistle | right-handed writer | neon orange hair | sticky honey |
| Max Altitude | bubble shield | clover charm | left-handed writer | neon orange hair | tickle feather |
| Buzz Aldrin | glider pack | clover charm | left-handed writer | neon orange hair | sticky honey |
| Penny Propeller | rocket boots | clover charm | right-handed writer | bright green hair | sticky honey |
| Hazel Hawk | wind blaster | decoder lens | left-handed writer | deep purple hair | loud bell |
Clue 1
Multiplication facts (1-12)
We search the cargo bays first. The airships are loaded with rows of crates. Let us count them in equal groups to unlock our 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
110
24
7
12
33
63
9
88
T
110
9
54
7
2
63
54
T
110
14
2
7
33
121
54
21
120
33
63
T
110
7
6
63
10 × 11 =T
3 × 11 =A
2 × 12 =H
8 × 11 =I
1 × 7 =E
7 × 2 =U
1 × 6 =R
11 × 11 =F
7 × 3 =G
3 × 3 =D
1 × 2 =S
6 × 9 =O
10 × 12 =L
1 × 12 =B
9 × 7 =N
0/15 letters found
Clue 2
Word problems
A witness dropped their pilot logbook during the chase. We need to solve the word problems on the pages to reveal the next hint.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
R
14
23
34
49
56
49
60
42
D
E
D
W
R
14
23
56
E
R
14
There were 33 energy crystals. 19 were used up. How many energy crystals are left?R
There were 55 grappling ropes. 6 were used up. How many grappling ropes are left?H
Navigator found 6 golden gears yesterday and 28 more today. How many golden gears in all?G
There were 47 grappling ropes. 24 were used up. How many grappling ropes are left?I
Navigator lined up 6 rows of 7 grappling ropes. How many grappling ropes in all?N
Navigator found 16 spyglasses yesterday and 44 more today. How many spyglasses in all?A
Navigator found 36 sky maps yesterday and 20 more today. How many sky maps in all?T
0/7 letters found
Clue 3
Rounding
The tracking radar screen is fuzzy. It only shows rounded numbers of the flying ships. Let us round the distance to find the real path.
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
300
900
230
170
370
90
7000
700
T
300
200
370
9000
9000
2900
30
200
230
7000
170
130
9000
T
300
700
1700
5000
130
900
30
90
230
130
Round 346 to the nearest hundredT
Round 26 to the nearest tenO
Round 926 to the nearest hundredH
Round 373 to the nearest tenA
Round 134 to the nearest tenY
Round 2,876 to the nearest hundredL
Round 1,698 to the nearest hundredC
Round 231 to the nearest tenE
Round 173 to the nearest tenB
Round 8,968 to the nearest thousandS
Round 214 to the nearest hundredW
Round 91 to the nearest tenN
Round 7,330 to the nearest thousandD
Round 5,348 to the nearest thousandK
Round 744 to the nearest hundredI
0/15 letters found
Clue 4
Multi-step word problems
The locked cabin door has a secret lock. We must add the spare fuel cans and then subtract the used ones to get the final security code.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
B
26
85
12
50
14
79
50
85
38
38
N
14
A
12
85
There were 100 spyglasses in all. 3 Sky Patrol used 16 spyglasses each. The other 2 Sky Patrol shared the rest equally. How many spyglasses did each of the other Sky Patrol get?B
Navigator earned 3 energy crystals in each of 4 rounds, plus 87 bonus energy crystals. Then 14 energy crystals were lost. How many energy crystals are left?R
Navigator collected 37 grappling ropes in the morning and 77 grappling ropes in the afternoon, then split them equally among 3 Sky Patrol. How many grappling ropes did each get?E
There were 151 spyglasses in all. 25 spyglasses were set aside. The rest were shared equally among 9 Sky Patrol. How many spyglasses did each get?H
Navigator earned 4 energy crystals in each of 3 rounds, plus 4 bonus energy crystals. Then 4 energy crystals were lost. How many energy crystals are left?I
There were 409 energy crystals in all. 2 Sky Patrol used 7 energy crystals each. The other 5 Sky Patrol shared the rest equally. How many energy crystals did each of the other Sky Patrol get?T
There were 318 sky maps in all. 1 Sky Patrol used 18 sky maps each. The other 6 Sky Patrol shared the rest equally. How many sky maps did each of the other Sky Patrol get?G
0/7 letters found
Clue 5
Division facts (1-12) — the last clue
We find a bag of stolen gold map pieces. To share them fairly among our crew, we must divide them up and read the final clue.
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
14 ÷ 7 = ?
90 ÷ 10 = ?
15 ÷ 3 = ?
11 ÷ 1 = ?
54 ÷ 9 = ?
28 ÷ 7 = ?
8 ÷ 1 = ?
11 ÷ 11 = ?
24 ÷ 2 = ?
49 ÷ 7 = ?
80 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain pushed back the guards with a wind blaster, then confused the guard dogs with a sonic whistle.
2.The villain blasted off using rocket boots, then escaped a trap thanks to a clover charm.
3.The villain swung away on a grappling hook, then cracked the safe with a decoder lens.
4.The villain pushed back the guards with a wind blaster, then cracked the safe with a decoder lens.
5.The villain pushed back the guards with a wind blaster, then escaped a trap thanks to a clover charm.
6.The villain soared through the clouds with a glider pack, then escaped a trap thanks to a clover charm.
7.The villain soared through the clouds with a glider pack, then snatched the compass using a magnet glove.
8.The villain pushed back the guards with a wind blaster, then hid in the dark with a fog lantern.
9.The villain rolled away inside a bubble shield, then confused the guard dogs with a sonic whistle.
10.The villain blasted off using rocket boots, then cracked the safe with a decoder lens.
11.The villain swung away on a grappling hook, then escaped a trap thanks to a clover charm.
12.The villain swung away on a grappling hook, then confused the guard dogs with a sonic whistle.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Sky Heist
Culprit: Leo Windrunner (grappling hook · decoder lens · right-handed writer · bright green hair · sticky honey)
- Clue 1 (Multiplication facts (1-12)): "THE BANDIT DOES NOT USE A FOG LANTERN"10 × 11 = 110 (T) · 3 × 11 = 33 (A) · 2 × 12 = 24 (H) · 8 × 11 = 88 (I) · 1 × 7 = 7 (E) · 7 × 2 = 14 (U) · 1 × 6 = 6 (R) · 11 × 11 = 121 (F) · 7 × 3 = 21 (G) · 3 × 3 = 9 (D) · 1 × 2 = 2 (S) · 6 × 9 = 54 (O) · 10 × 12 = 120 (L) · 1 × 12 = 12 (B) · 9 × 7 = 63 (N)
- Clue 2 (Word problems): "RIGHT HANDED WRITER"There were 33 energy crystals. 19 were used up. How many energy crystals are left? = 14 (R) · There were 55 grappling ropes. 6 were used up. How many grappling ropes are left? = 49 (H) · Navigator found 6 golden gears yesterday and 28 more today. How many golden gears in all? = 34 (G) · There were 47 grappling ropes. 24 were used up. How many grappling ropes are left? = 23 (I) · Navigator lined up 6 rows of 7 grappling ropes. How many grappling ropes in all? = 42 (N) · Navigator found 16 spyglasses yesterday and 44 more today. How many spyglasses in all? = 60 (A) · Navigator found 36 sky maps yesterday and 20 more today. How many sky maps in all? = 56 (T)
- Clue 3 (Rounding): "THE BANDIT WAS SLOWED BY STICKY HONEY"Round 346 to the nearest hundred = 300 (T) · Round 26 to the nearest ten = 30 (O) · Round 926 to the nearest hundred = 900 (H) · Round 373 to the nearest ten = 370 (A) · Round 134 to the nearest ten = 130 (Y) · Round 2,876 to the nearest hundred = 2900 (L) · Round 1,698 to the nearest hundred = 1700 (C) · Round 231 to the nearest ten = 230 (E) · Round 173 to the nearest ten = 170 (B) · Round 8,968 to the nearest thousand = 9000 (S) · Round 214 to the nearest hundred = 200 (W) · Round 91 to the nearest ten = 90 (N) · Round 7,330 to the nearest thousand = 7000 (D) · Round 5,348 to the nearest thousand = 5000 (K) · Round 744 to the nearest hundred = 700 (I)
- Clue 4 (Multi-step word problems): "BRIGHT GREEN HAIR"There were 100 spyglasses in all. 3 Sky Patrol used 16 spyglasses each. The other 2 Sky Patrol shared the rest equally. How many spyglasses did each of the other Sky Patrol get? = 26 (B) · Navigator earned 3 energy crystals in each of 4 rounds, plus 87 bonus energy crystals. Then 14 energy crystals were lost. How many energy crystals are left? = 85 (R) · Navigator collected 37 grappling ropes in the morning and 77 grappling ropes in the afternoon, then split them equally among 3 Sky Patrol. How many grappling ropes did each get? = 38 (E) · There were 151 spyglasses in all. 25 spyglasses were set aside. The rest were shared equally among 9 Sky Patrol. How many spyglasses did each get? = 14 (H) · Navigator earned 4 energy crystals in each of 3 rounds, plus 4 bonus energy crystals. Then 4 energy crystals were lost. How many energy crystals are left? = 12 (I) · There were 409 energy crystals in all. 2 Sky Patrol used 7 energy crystals each. The other 5 Sky Patrol shared the rest equally. How many energy crystals did each of the other Sky Patrol get? = 79 (T) · There were 318 sky maps in all. 1 Sky Patrol used 18 sky maps each. The other 6 Sky Patrol shared the rest equally. How many sky maps did each of the other Sky Patrol get? = 50 (G)
- Clue 5 (Division facts (1-12)): surviving statement (box 3) → Leo Windrunner14 ÷ 7 = 2 · 90 ÷ 10 = 9 · 15 ÷ 3 = 5 · 11 ÷ 1 = 11 · 54 ÷ 9 = 6 · 28 ÷ 7 = 4 · 8 ÷ 1 = 8 · 11 ÷ 11 = 1 · 24 ÷ 2 = 12 · 49 ÷ 7 = 7 · 80 ÷ 8 = 10
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Multiplication, Word problems, Rounding, Multi-step word problems, Division
- Reading level
- grades 3-4
- Theme
- The Great Sky Heist — set in Floating Archipelago of Skylandia
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects