Grade 4Reading: grades 5-6RoundingMulti-step word problemsAdditionSubtractionDivision
The Whispering Winds Airship Heist
A sneaky sky bandit has stolen the legendary Golden Compass from the captain's cabin! The airship is drifting off course, and the crew needs your help to crack the codes, track down the culprit, and recover the compass before the storm hits.
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 | Adventure Gear | Special Gadget | Holster Side | Hairstyle | Vulnerability |
|---|---|---|---|---|---|
| Nellie | cloud-gliding | smoke-pellets | right-side compass holster | shaggy brown curls | scared of heights |
| Skye | map-reading | rope-darts | left-side compass holster | wild silver spikes | scared of heights |
| Indiana | wind-whistling | smoke-pellets | right-side compass holster | wild silver spikes | allergic to sky-lemons |
| Silas | propeller-booting | spark-bombs | right-side compass holster | shaggy brown curls | distracted by shiny keys |
| Finneas | grapple-swinging | flash-powder | right-side compass holster | shaggy brown curls | scared of heights |
| Skipper | propeller-booting | smoke-pellets | left-side compass holster | shaggy brown curls | distracted by shiny keys |
| Dash | wind-whistling | net-launchers | right-side compass holster | shaggy brown curls | scared of heights |
| Toby | map-reading | net-launchers | right-side compass holster | shaggy brown curls | distracted by shiny keys |
| Leo | wind-whistling | flash-powder | right-side compass holster | bright orange ponytail | scared of heights |
| Marco | cloud-gliding | flash-powder | left-side compass holster | wild silver spikes | distracted by shiny keys |
| Penny | cloud-gliding | rope-darts | left-side compass holster | bright orange ponytail | allergic to sky-lemons |
| Barnaby | map-reading | net-launchers | left-side compass holster | shaggy brown curls | scared of heights |
| Ziggy | grapple-swinging | rope-darts | left-side compass holster | wild silver spikes | distracted by shiny keys |
| Gemma | wind-whistling | smoke-pellets | right-side compass holster | shaggy brown curls | scared of heights |
| Hudson | cloud-gliding | spark-bombs | right-side compass holster | shaggy brown curls | scared of heights |
| Maya | propeller-booting | net-launchers | left-side compass holster | shaggy brown curls | scared of heights |
| Drake | wind-whistling | flash-powder | right-side compass holster | wild silver spikes | scared of heights |
| Pippa | map-reading | flash-powder | right-side compass holster | wild silver spikes | scared of heights |
| Jax | map-reading | rope-darts | right-side compass holster | bright orange ponytail | scared of heights |
| Isabella | wind-whistling | spark-bombs | right-side compass holster | bright orange ponytail | allergic to sky-lemons |
| Rusty | grapple-swinging | rope-darts | left-side compass holster | wild silver spikes | scared of heights |
Clue 1
Rounding
Our crew counted the heavy crates stored on the upper and lower decks of the Wind-Runner. After adding up the total and subtracting the broken gear, we found a crumpled note tucked under a cargo strap.
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
300
200
130
1700
2900
2900
2300
1700
3000
7000
230
200
900
3000
230
T
370
290
900
200
900
1100
2300
170
3700
700
230
50
700
900
Round 370 to the nearest tenT
Round 52 to the nearest tenM
Round 286 to the nearest tenU
Round 285 to the nearest hundredH
Round 2,584 to the nearest thousandN
Round 2,340 to the nearest hundredA
Round 7,348 to the nearest thousandD
Round 132 to the nearest tenV
Round 857 to the nearest hundredS
Round 248 to the nearest hundredE
Round 173 to the nearest tenR
Round 2,932 to the nearest hundredL
Round 1,076 to the nearest hundredP
Round 1,695 to the nearest hundredI
Round 655 to the nearest hundredB
Round 3,749 to the nearest hundredK
Round 230 to the nearest tenO
0/17 letters found
Clue 2
Multi-step word problems
The airship altimeter is rusty and only displays altitudes rounded to the nearest hundred meters. By checking the blurry radar screen, we decoded a secret message hidden in the airwaves.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
R
57
27
13
28
42
44
27
10
E
C
O
M
P
A
44
44
28
O
L
44
42
E
R
57
The deckhand earned 8 grappling hooks in each of 6 rounds, plus 23 bonus grappling hooks. Then 14 grappling hooks were lost. How many grappling hooks are left?R
The deckhand collected 25 gold coins in the morning and 15 gold coins in the afternoon, then split them equally among 4 the Sky-Scouts. How many gold coins did each get?D
There were 195 gold coins in all. 1 the Sky-Scouts used 33 gold coins each. The other 6 the Sky-Scouts shared the rest equally. How many gold coins did each of the other the Sky-Scouts get?I
The deckhand collected 6 spyglasses in the morning and 50 spyglasses in the afternoon, then split them equally among 2 the Sky-Scouts. How many spyglasses did each get?H
The deckhand collected 142 spyglasses in the morning and 34 spyglasses in the afternoon, then split them equally among 4 the Sky-Scouts. How many spyglasses did each get?S
The deckhand filled 2 boxes with 2 spyglasses each, then found 38 more spyglasses. How many spyglasses are there in all?T
The deckhand earned 4 gold coins in each of 3 rounds, plus 14 bonus gold coins. Then 13 gold coins were lost. How many gold coins are left?G
0/7 letters found
Clue 3
Addition
We gathered all the gold-lined map fragments we recovered from the sky-docks. When we tallied them up to find the sum, we spotted some faint writing scrawled on the back of the parchment.
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
3571
3171
9544
T
3571
5038
8001
5083
9544
T
3571
7978
4756
5038
3189
8001
5038
7978
2035
4951
3189
3171
9544
7978
5083
3171
T
3571
4756
2112 + 1459 =T
4109 + 3892 =R
667 + 1368 =D
4947 + 3031 =I
1866 + 1305 =H
1634 + 3404 =A
2743 + 2208 =O
3412 + 6132 =E
1608 + 3148 =S
2047 + 3036 =G
2185 + 1004 =F
0/11 letters found
Clue 4
Subtraction
Our water barrels had a slow leak during the flight over the Whispering Peaks. By measuring how many liters of water we lost from our stash, we uncovered a clue carved into the barrel bottom.
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
3565
7194
6478
1675
3808
1010
2918
2138
7906
3972
1445
1445
3181
5378
5444
1675
W
3565
1010
3724
3808
5444
6494
2138
7504 - 3939 =W
10007 - 3513 =L
4877 - 3202 =O
7742 - 2298 =R
11194 - 4716 =F
4133 - 325 =U
11793 - 3887 =H
7070 - 3889 =Y
6114 - 3976 =S
11473 - 4279 =E
2307 - 862 =G
6113 - 3195 =D
1075 - 65 =N
6674 - 2950 =C
6508 - 2536 =A
5462 - 84 =B
0/16 letters found
Clue 5
Division facts (1-12) — the last clue
To search the floating island quickly, we split our search team into equal groups of explorers. Once everyone had their fair share of walkie-talkies, we intercepted a static-filled transmission.
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 ÷ 9 = ?
11 ÷ 11 = ?
45 ÷ 5 = ?
80 ÷ 10 = ?
72 ÷ 6 = ?
63 ÷ 9 = ?
20 ÷ 2 = ?
18 ÷ 3 = ?
25 ÷ 5 = ?
24 ÷ 8 = ?
18 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain glides through the storm clouds, then tosses a handful of flash powder.
2.The villain swings from the airship rigging, then escapes using a long rope dart.
3.The villain swings from the airship rigging, then hurls a crackling spark bomb.
4.The villain whistles a secret pirate tune, then fires a tangled net launcher.
5.The villain points to a hidden island map, then tosses a handful of flash powder.
6.The villain points to a hidden island map, then escapes using a long rope dart.
7.The villain whistles a secret pirate tune, then hurls a crackling spark bomb.
8.The villain swings from the airship rigging, then tosses a handful of flash powder.
9.The villain swings from the airship rigging, then drops a blinding smoke pellet.
10.The villain points to a hidden island map, then hurls a crackling spark bomb.
11.The villain whistles a secret pirate tune, then drops a blinding smoke pellet.
12.The villain points to a hidden island map, then fires a tangled net launcher.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Whispering Winds Airship Heist
Culprit: Dash (wind-whistling · net-launchers · right-side compass holster · shaggy brown curls · scared of heights)
- Clue 1 (Rounding): "THE VILLAIN DOES NOT USE SPARK BOMBS"Round 370 to the nearest ten = 370 (T) · Round 52 to the nearest ten = 50 (M) · Round 286 to the nearest ten = 290 (U) · Round 285 to the nearest hundred = 300 (H) · Round 2,584 to the nearest thousand = 3000 (N) · Round 2,340 to the nearest hundred = 2300 (A) · Round 7,348 to the nearest thousand = 7000 (D) · Round 132 to the nearest ten = 130 (V) · Round 857 to the nearest hundred = 900 (S) · Round 248 to the nearest hundred = 200 (E) · Round 173 to the nearest ten = 170 (R) · Round 2,932 to the nearest hundred = 2900 (L) · Round 1,076 to the nearest hundred = 1100 (P) · Round 1,695 to the nearest hundred = 1700 (I) · Round 655 to the nearest hundred = 700 (B) · Round 3,749 to the nearest hundred = 3700 (K) · Round 230 to the nearest ten = 230 (O)
- Clue 2 (Multi-step word problems): "RIGHT SIDE COMPASS HOLSTER"The deckhand earned 8 grappling hooks in each of 6 rounds, plus 23 bonus grappling hooks. Then 14 grappling hooks were lost. How many grappling hooks are left? = 57 (R) · The deckhand collected 25 gold coins in the morning and 15 gold coins in the afternoon, then split them equally among 4 the Sky-Scouts. How many gold coins did each get? = 10 (D) · There were 195 gold coins in all. 1 the Sky-Scouts used 33 gold coins each. The other 6 the Sky-Scouts shared the rest equally. How many gold coins did each of the other the Sky-Scouts get? = 27 (I) · The deckhand collected 6 spyglasses in the morning and 50 spyglasses in the afternoon, then split them equally among 2 the Sky-Scouts. How many spyglasses did each get? = 28 (H) · The deckhand collected 142 spyglasses in the morning and 34 spyglasses in the afternoon, then split them equally among 4 the Sky-Scouts. How many spyglasses did each get? = 44 (S) · The deckhand filled 2 boxes with 2 spyglasses each, then found 38 more spyglasses. How many spyglasses are there in all? = 42 (T) · The deckhand earned 4 gold coins in each of 3 rounds, plus 14 bonus gold coins. Then 13 gold coins were lost. How many gold coins are left? = 13 (G)
- Clue 3 (Addition): "THE TARGET IS AFRAID OF HEIGHTS"2112 + 1459 = 3571 (T) · 4109 + 3892 = 8001 (R) · 667 + 1368 = 2035 (D) · 4947 + 3031 = 7978 (I) · 1866 + 1305 = 3171 (H) · 1634 + 3404 = 5038 (A) · 2743 + 2208 = 4951 (O) · 3412 + 6132 = 9544 (E) · 1608 + 3148 = 4756 (S) · 2047 + 3036 = 5083 (G) · 2185 + 1004 = 3189 (F)
- Clue 4 (Subtraction): "WE FOUND SHAGGY BROWN CURLS"7504 - 3939 = 3565 (W) · 10007 - 3513 = 6494 (L) · 4877 - 3202 = 1675 (O) · 7742 - 2298 = 5444 (R) · 11194 - 4716 = 6478 (F) · 4133 - 325 = 3808 (U) · 11793 - 3887 = 7906 (H) · 7070 - 3889 = 3181 (Y) · 6114 - 3976 = 2138 (S) · 11473 - 4279 = 7194 (E) · 2307 - 862 = 1445 (G) · 6113 - 3195 = 2918 (D) · 1075 - 65 = 1010 (N) · 6674 - 2950 = 3724 (C) · 6508 - 2536 = 3972 (A) · 5462 - 84 = 5378 (B)
- Clue 5 (Division facts (1-12)): surviving statement (box 4) → Dash99 ÷ 9 = 11 · 11 ÷ 11 = 1 · 45 ÷ 5 = 9 · 80 ÷ 10 = 8 · 72 ÷ 6 = 12 · 63 ÷ 9 = 7 · 20 ÷ 2 = 10 · 18 ÷ 3 = 6 · 25 ÷ 5 = 5 · 24 ÷ 8 = 3 · 18 ÷ 9 = 2
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Multi-step word problems, Addition, Subtraction, Division
- Reading level
- grades 5-6
- Theme
- The Whispering Winds Airship Heist — set in high above the clouds on the grand airship Wind-Runner
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects