Grade 6Reading: grades 3-4Place valueRoundingSkip countingBar modelsDivision
The Sky Island Mystery
The Golden Compass has been swiped from the high wind docks! The Chief Cloud Keeper needs your help to track down the sneaky Sky Bandit before they sail away in a stolen airship.
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 | Sky Gadget | Observed Glove | Cap Feather | Bandit Weakness |
|---|---|---|---|---|---|
| Kip | net launcher | spyglass | uses a right hand glove | blue feather | soapy bubbles |
| Ginger | rope dart | wind gauge | uses a left hand glove | green feather | shiny coins |
| Ellie | net launcher | brass whistle | uses a left hand glove | blue feather | soapy bubbles |
| Toby | wind hook | compass watch | uses a right hand glove | red feather | shiny coins |
| Hudson | bubble blaster | compass watch | uses a right hand glove | red feather | soapy bubbles |
| Rusty | net launcher | brass whistle | uses a right hand glove | red feather | soapy bubbles |
| Nell | wind hook | sky map | uses a right hand glove | green feather | sticky sap |
| Uma | rope dart | sky map | uses a right hand glove | blue feather | shiny coins |
| Lola | bubble blaster | wind gauge | uses a right hand glove | green feather | soapy bubbles |
| Barnaby | net launcher | spyglass | uses a left hand glove | green feather | sticky sap |
| Dash | wind hook | compass watch | uses a left hand glove | blue feather | shiny coins |
| Pip | glider pack | compass watch | uses a right hand glove | green feather | soapy bubbles |
| Wendy | bubble blaster | wind gauge | uses a right hand glove | red feather | soapy bubbles |
| Flint | glider pack | compass watch | uses a left hand glove | green feather | shiny coins |
| Xavier | rope dart | compass watch | uses a right hand glove | red feather | soapy bubbles |
| Victor | net launcher | sky map | uses a left hand glove | red feather | soapy bubbles |
| Otis | wind hook | compass watch | uses a left hand glove | red feather | soapy bubbles |
| Yana | bubble blaster | wind gauge | uses a right hand glove | red feather | sticky sap |
| Izzy | net launcher | compass watch | uses a right hand glove | red feather | shiny coins |
| Skye | bubble blaster | spyglass | uses a right hand glove | red feather | soapy bubbles |
| Monty | wind hook | brass whistle | uses a right hand glove | blue feather | shiny coins |
Clue 1
Place value
A locked chest blocks the path. You must look at the digit values on the lock to crack the code and find a 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
2000
60
20
10
6000
50
700
70
T
2000
700
100
20
900
50
100
T
2000
8000
6000
4000
4000
1000
6000
900
200
1000
80
5000
6000
900
900
What is the value of the 2 in 592,003?T
What is the value of the 8 in 94,687?G
What is the value of the 8 in 578,114?C
What is the value of the 1 in 59,120?O
What is the value of the 5 in 483,451?N
What is the value of the 2 in 15,289?P
What is the value of the 9 in 31,984?S
What is the value of the 1 in 551,578?Y
What is the value of the 6 in 37,861?H
What is the value of the 4 in 54,000?R
What is the value of the 5 in 435,462?L
What is the value of the 7 in 19,678?I
What is the value of the 6 in 46,152?A
What is the value of the 2 in 631,328?E
What is the value of the 1 in 47,215?B
What is the value of the 7 in 56,730?D
0/16 letters found
Clue 2
Rounding
Your wind radar only shows rounded numbers. Round the distance to the nearest ten to find the bandit's trail.
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
370
290
2000
170
5000
2000
500
7000
300
700
500
5000
230
2300
T
370
230
90
500
5000
7000
4300
2300
T
370
290
T
370
290
2000
2300
90
90
2300
1300
290
T
370
1300
3700
70
900
2000
Round 373 to the nearest tenT
Round 1,292 to the nearest hundredG
Round 230 to the nearest tenD
Round 7,442 to the nearest thousandK
Round 2,319 to the nearest hundredI
Round 714 to the nearest hundredB
Round 172 to the nearest tenS
Round 906 to the nearest hundredV
Round 94 to the nearest tenR
Round 73 to the nearest tenO
Round 322 to the nearest hundredY
Round 5,433 to the nearest thousandN
Round 488 to the nearest hundredA
Round 2,153 to the nearest thousandE
Round 4,310 to the nearest hundredW
Round 289 to the nearest tenH
Round 3,749 to the nearest hundredL
0/17 letters found
Clue 3
Skip counting
To cross the floating stepping stones, you must count by fives to find the safe path and grab a dropped 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.
S
100
39
10
42
16
18
130
42
39
120
9
55
S
100
50
42
55
10
S
100
35
9
33
33
10
45
18
S
100
22
42
33
18
130
27
130
130
35
10
S
100
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150B
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55R
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15I
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26O
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39P
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20K
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14E
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24Y
0/16 letters found
Clue 4
Bar model word problems
The bandit loaded bags onto a scale. Compare the block diagrams of the bag weights to see which path they took.
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.
Astrandofhairturnedupatthescene.
R
136
62
140
80
62
87
108
21
62
R
136
Scout used 1/2 of the rope hook on the first day. The other 68 rope hook were used the next day. How many rope hook were there in all?
draw a bar model
Answer:→R
Scout shares 168 sky map equally among 8 teams. How many sky map does each team get?
draw a bar model
Answer:→H
There were 177 sky map in all. 37 sky map were used. How many sky map are left?
draw a bar model
Answer:→D
One group collected 8 wind gem and another group collected 79 wind gem. How many wind gem in all?
draw a bar model
Answer:→A
There were 114 shiny coin in all. 6 shiny coin were used. How many shiny coin are left?
draw a bar model
Answer:→T
Scout used 1/2 of the rope hook on the first day. The other 31 rope hook were used the next day. How many rope hook were there in all?
draw a bar model
Answer:→E
There were 117 sky map in all. 37 sky map were used. How many sky map are left?
draw a bar model
Answer:→F
0/7 letters found
Clue 5
Division facts (1-12) — the last clue
You find a bag of stolen berries. Share them equally among the team to power up and catch 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
1 ÷ 1 = ?
108 ÷ 12 = ?
6 ÷ 3 = ?
32 ÷ 8 = ?
36 ÷ 6 = ?
14 ÷ 2 = ?
8 ÷ 1 = ?
132 ÷ 11 = ?
3 ÷ 1 = ?
110 ÷ 11 = ?
60 ÷ 12 = ?
Step 2 — cross out the sentence with each answer
1.The villain zips up the cliff with a rope dart, then checks a ticking compass watch.
2.The villain shoots giant suds with a bubble blaster, then checks a ticking compass watch.
3.The villain snags the loot with a net launcher, then consults a dusty sky map.
4.The villain zooms away on a glider pack, then blows a loud brass whistle.
5.The villain zooms away on a glider pack, then peers through a heavy spyglass.
6.The villain shoots giant suds with a bubble blaster, then consults a dusty sky map.
7.The villain snags the loot with a net launcher, then peers through a heavy spyglass.
8.The villain zooms away on a glider pack, then holds up a spinning wind gauge.
9.The villain snags the loot with a net launcher, then blows a loud brass whistle.
10.The villain zooms away on a glider pack, then consults a dusty sky map.
11.The villain shoots giant suds with a bubble blaster, then holds up a spinning wind gauge.
12.The villain swings across trees with a wind hook, then blows a loud brass whistle.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Sky Island Mystery
Culprit: Wendy (bubble blaster · wind gauge · uses a right hand glove · red feather · soapy bubbles)
- Clue 1 (Place value): "THE BANDIT DOES NOT CARRY A SPYGLASS"What is the value of the 2 in 592,003? = 2000 (T) · What is the value of the 8 in 94,687? = 80 (G) · What is the value of the 8 in 578,114? = 8000 (C) · What is the value of the 1 in 59,120? = 100 (O) · What is the value of the 5 in 483,451? = 50 (N) · What is the value of the 2 in 15,289? = 200 (P) · What is the value of the 9 in 31,984? = 900 (S) · What is the value of the 1 in 551,578? = 1000 (Y) · What is the value of the 6 in 37,861? = 60 (H) · What is the value of the 4 in 54,000? = 4000 (R) · What is the value of the 5 in 435,462? = 5000 (L) · What is the value of the 7 in 19,678? = 70 (I) · What is the value of the 6 in 46,152? = 6000 (A) · What is the value of the 2 in 631,328? = 20 (E) · What is the value of the 1 in 47,215? = 10 (B) · What is the value of the 7 in 56,730? = 700 (D)
- Clue 2 (Rounding): "THE SNEAKY BANDIT DRANK WITH THEIR RIGHT GLOVE"Round 373 to the nearest ten = 370 (T) · Round 1,292 to the nearest hundred = 1300 (G) · Round 230 to the nearest ten = 230 (D) · Round 7,442 to the nearest thousand = 7000 (K) · Round 2,319 to the nearest hundred = 2300 (I) · Round 714 to the nearest hundred = 700 (B) · Round 172 to the nearest ten = 170 (S) · Round 906 to the nearest hundred = 900 (V) · Round 94 to the nearest ten = 90 (R) · Round 73 to the nearest ten = 70 (O) · Round 322 to the nearest hundred = 300 (Y) · Round 5,433 to the nearest thousand = 5000 (N) · Round 488 to the nearest hundred = 500 (A) · Round 2,153 to the nearest thousand = 2000 (E) · Round 4,310 to the nearest hundred = 4300 (W) · Round 289 to the nearest ten = 290 (H) · Round 3,749 to the nearest hundred = 3700 (L)
- Clue 3 (Skip counting): "SNEAKY BANDITS HATE SLIPPERY SOAPY BUBBLES"Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (B) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (R) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (I) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (D) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (O) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (H) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (P) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (K) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (E) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (Y)
- Clue 4 (Bar model word problems): "RED FEATHER"Scout used 1/2 of the rope hook on the first day. The other 68 rope hook were used the next day. How many rope hook were there in all? = 136 (R) · Scout shares 168 sky map equally among 8 teams. How many sky map does each team get? = 21 (H) · There were 177 sky map in all. 37 sky map were used. How many sky map are left? = 140 (D) · One group collected 8 wind gem and another group collected 79 wind gem. How many wind gem in all? = 87 (A) · There were 114 shiny coin in all. 6 shiny coin were used. How many shiny coin are left? = 108 (T) · Scout used 1/2 of the rope hook on the first day. The other 31 rope hook were used the next day. How many rope hook were there in all? = 62 (E) · There were 117 sky map in all. 37 sky map were used. How many sky map are left? = 80 (F)
- Clue 5 (Division facts (1-12)): surviving statement (box 11) → Wendy1 ÷ 1 = 1 · 108 ÷ 12 = 9 · 6 ÷ 3 = 2 · 32 ÷ 8 = 4 · 36 ÷ 6 = 6 · 14 ÷ 2 = 7 · 8 ÷ 1 = 8 · 132 ÷ 11 = 12 · 3 ÷ 1 = 3 · 110 ÷ 11 = 10 · 60 ÷ 12 = 5
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Place value, Rounding, Skip counting, Bar models, Division
- Reading level
- grades 3-4
- Theme
- The Sky Island Mystery — set in Skytopia, the floating city of wind-powered treehouses
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects