Grade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
Sky-Scurry Mystery
Someone stole the Golden Propeller Trophy from the Cloud Harbor clubhouse! The culprit fled on a sky-scooter. We must check the flight logs to find them!
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 | Airship Pilot Gear | Favorite Gadget | Steering Hand | Hair Color | Snack Weakness |
|---|---|---|---|---|---|
| Arthur King | Golden Compass | Flashlight Glove | Left-Handed Steerer | Windblown Blue Hair | Maple Pancakes |
| Amelia Sky | Cloud Whistle | Grappling Hook | Right-Handed Steerer | Curly Purple Hair | Berry Soda Pop |
| Charles Wind | Brass Spyglass | Pocket Glider | Left-Handed Steerer | Windblown Blue Hair | Sour Apple Drops |
| Wendy Wing | Map of the Winds | Pocket Glider | Left-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
| Peter Pan | Cloud Whistle | Smoke Bomb | Left-Handed Steerer | Windblown Blue Hair | Berry Soda Pop |
| Guy Jetstream | Map of the Winds | Smoke Bomb | Right-Handed Steerer | Spiky Orange Hair | Berry Soda Pop |
| Bessie Flyer | Golden Compass | Smoke Bomb | Right-Handed Steerer | Spiky Orange Hair | Berry Soda Pop |
| Mae Orbit | Cloud Whistle | Pocket Glider | Right-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
| Captain Barnaby | Brass Spyglass | Smoke Bomb | Right-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
| Valentina Gale | Golden Compass | Grappling Hook | Left-Handed Steerer | Spiky Orange Hair | Sour Apple Drops |
| Henry Helm | Map of the Winds | Grappling Hook | Left-Handed Steerer | Spiky Orange Hair | Maple Pancakes |
| Fiona Feather | Map of the Winds | Flashlight Glove | Right-Handed Steerer | Windblown Blue Hair | Sour Apple Drops |
| Wilbur Cloud | Golden Compass | Pocket Glider | Right-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
| Clara Map | Map of the Winds | Smoke Bomb | Left-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
| Orville Cloud | Cloud Whistle | Net Launcher | Right-Handed Steerer | Spiky Orange Hair | Maple Pancakes |
| Buzz Comet | Golden Compass | Pocket Glider | Right-Handed Steerer | Spiky Orange Hair | Sour Apple Drops |
| Robin Forest | Brass Spyglass | Flashlight Glove | Left-Handed Steerer | Windblown Blue Hair | Maple Pancakes |
| Captain Hook | Brass Spyglass | Flashlight Glove | Right-Handed Steerer | Windblown Blue Hair | Sour Apple Drops |
| Marco Compass | Brass Spyglass | Smoke Bomb | Left-Handed Steerer | Curly Purple Hair | Berry Soda Pop |
| Jacques Deep | Cloud Whistle | Net Launcher | Right-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
| Jeanne Wave | Golden Compass | Flashlight Glove | Right-Handed Steerer | Curly Purple Hair | Sour Apple Drops |
Clue 1
Rounding
We scan the flying radar screen. The distant blips only show speed rounded to the nearest ten.
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
1700
430
1300
2300
290
200
130
9000
T
1700
130
90
1300
5000
200
90
T
1700
30
5000
1300
290
5000
700
90
900
1300
2300
90
700
2300
Round 1,658 to the nearest hundredT
Round 220 to the nearest hundredN
Round 130 to the nearest tenD
Round 704 to the nearest hundredM
Round 27 to the nearest tenU
Round 2,335 to the nearest hundredB
Round 4,790 to the nearest thousandS
Round 881 to the nearest hundredK
Round 427 to the nearest tenH
Round 93 to the nearest tenO
Round 293 to the nearest tenA
Round 1,253 to the nearest hundredE
Round 9,271 to the nearest thousandI
0/13 letters found
Clue 2
Addition
To calculate the fuel used, we count the extra gas cans stacked up in the corner.
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
5660
4450
8999
4804
2807
2497
2439
2439
7064
9828
5136
6286
9696
8742
T
5660
4804
T
5660
8999
8999
2439
4804
3547
8742
T
5660
4450
T
5660
4450
8999
2439
8742
8533
4450
T
5660
4450
5136
6286
9696
2510 + 3150 =T
1562 + 877 =R
4365 + 2699 =Y
1657 + 1150 =C
5182 + 4514 =D
2199 + 2937 =A
1937 + 1610 =W
2827 + 1623 =H
5765 + 2977 =I
4258 + 4741 =E
4009 + 4524 =G
2902 + 1902 =S
2004 + 4282 =N
4969 + 4859 =B
1700 + 797 =U
0/15 letters found
Clue 3
Subtraction
We inspect the flight logs and take away the regular routes to see what is left.
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
3365
3043
4191
4267
7943
4267
5198
5198
3649
7949
2793
3649
8266
6113
1487
4267
2793
2397
2397
5198
4267
S
3365
1487
5198
4267
5198
5531
3649
3216
4516
5198
7949
2793
7507
5531
3649
5358 - 1993 =S
8844 - 4577 =R
9259 - 4061 =E
10599 - 2333 =D
4036 - 1243 =A
5159 - 1510 =N
8162 - 655 =B
7611 - 2080 =I
2687 - 1200 =W
7777 - 3586 =U
7008 - 4611 =P
7373 - 1260 =Y
5902 - 1386 =H
4910 - 1694 =T
11375 - 3426 =C
6820 - 3777 =O
8715 - 772 =G
0/17 letters found
Clue 4
Multiplication facts (1-12)
The cargo bay has crates arranged in equal rows. We multiply the boxes to count the stolen gears.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
A
72
108
54
60
36
7
81
6
4
36
9
14
132
14
60
A
72
1
55
11
A
72
132
108
A
72
54
20
8
14
6
1
14
8
9
5
6
27
12 × 6 =A
1 × 7 =Y
9 × 3 =P
1 × 5 =Z
9 × 9 =V
2 × 7 =T
3 × 12 =L
11 × 5 =D
11 × 12 =S
1 × 8 =H
1 × 1 =N
9 × 6 =U
9 × 12 =C
1 × 9 =E
2 × 3 =I
12 × 5 =R
4 × 1 =O
1 × 11 =W
4 × 5 =G
0/19 letters found
Clue 5
Division facts (1-12) — the last clue
We divide the remaining pirate snacks equally among the crew to keep everyone happy.
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
21 ÷ 7 = ?
70 ÷ 7 = ?
32 ÷ 4 = ?
70 ÷ 10 = ?
108 ÷ 9 = ?
30 ÷ 6 = ?
12 ÷ 12 = ?
108 ÷ 12 = ?
36 ÷ 9 = ?
99 ÷ 9 = ?
54 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain steers using a golden compass, then escapes in a smelly smoke bomb.
2.The villain blows a shiny cloud whistle, then fires a tangled net launcher.
3.The villain steers using a golden compass, then launches a pocket glider.
4.The villain checks their map of the winds, then swings away on a grappling hook.
5.The villain winds up their propeller, then launches a pocket glider.
6.The villain looks through a brass spyglass, then launches a pocket glider.
7.The villain blows a shiny cloud whistle, then lights the way with a flashlight glove.
8.The villain steers using a golden compass, then lights the way with a flashlight glove.
9.The villain checks their map of the winds, then launches a pocket glider.
10.The villain blows a shiny cloud whistle, then launches a pocket glider.
11.The villain blows a shiny cloud whistle, then escapes in a smelly smoke bomb.
12.The villain checks their map of the winds, then lights the way with a flashlight glove.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — Sky-Scurry Mystery
Culprit: Jacques Deep (Cloud Whistle · Net Launcher · Right-Handed Steerer · Curly Purple Hair · Sour Apple Drops)
- Clue 1 (Rounding): "THE BANDIT DOES NOT USE A SMOKE BOMB"Round 1,658 to the nearest hundred = 1700 (T) · Round 220 to the nearest hundred = 200 (N) · Round 130 to the nearest ten = 130 (D) · Round 704 to the nearest hundred = 700 (M) · Round 27 to the nearest ten = 30 (U) · Round 2,335 to the nearest hundred = 2300 (B) · Round 4,790 to the nearest thousand = 5000 (S) · Round 881 to the nearest hundred = 900 (K) · Round 427 to the nearest ten = 430 (H) · Round 93 to the nearest ten = 90 (O) · Round 293 to the nearest ten = 290 (A) · Round 1,253 to the nearest hundred = 1300 (E) · Round 9,271 to the nearest thousand = 9000 (I)
- Clue 2 (Addition): "THE SCURRY BANDIT STEERS WITH THE RIGHT HAND"2510 + 3150 = 5660 (T) · 1562 + 877 = 2439 (R) · 4365 + 2699 = 7064 (Y) · 1657 + 1150 = 2807 (C) · 5182 + 4514 = 9696 (D) · 2199 + 2937 = 5136 (A) · 1937 + 1610 = 3547 (W) · 2827 + 1623 = 4450 (H) · 5765 + 2977 = 8742 (I) · 4258 + 4741 = 8999 (E) · 4009 + 4524 = 8533 (G) · 2902 + 1902 = 4804 (S) · 2004 + 4282 = 6286 (N) · 4969 + 4859 = 9828 (B) · 1700 + 797 = 2497 (U)
- Clue 3 (Subtraction): "SOUR GREEN CANDY WRAPPERS WERE IN THE CABIN"5358 - 1993 = 3365 (S) · 8844 - 4577 = 4267 (R) · 9259 - 4061 = 5198 (E) · 10599 - 2333 = 8266 (D) · 4036 - 1243 = 2793 (A) · 5159 - 1510 = 3649 (N) · 8162 - 655 = 7507 (B) · 7611 - 2080 = 5531 (I) · 2687 - 1200 = 1487 (W) · 7777 - 3586 = 4191 (U) · 7008 - 4611 = 2397 (P) · 7373 - 1260 = 6113 (Y) · 5902 - 1386 = 4516 (H) · 4910 - 1694 = 3216 (T) · 11375 - 3426 = 7949 (C) · 6820 - 3777 = 3043 (O) · 8715 - 772 = 7943 (G)
- Clue 4 (Multiplication facts (1-12)): "A CURLY VIOLET STRAND WAS CAUGHT IN THE ZIP"12 × 6 = 72 (A) · 1 × 7 = 7 (Y) · 9 × 3 = 27 (P) · 1 × 5 = 5 (Z) · 9 × 9 = 81 (V) · 2 × 7 = 14 (T) · 3 × 12 = 36 (L) · 11 × 5 = 55 (D) · 11 × 12 = 132 (S) · 1 × 8 = 8 (H) · 1 × 1 = 1 (N) · 9 × 6 = 54 (U) · 9 × 12 = 108 (C) · 1 × 9 = 9 (E) · 2 × 3 = 6 (I) · 12 × 5 = 60 (R) · 4 × 1 = 4 (O) · 1 × 11 = 11 (W) · 4 × 5 = 20 (G)
- Clue 5 (Division facts (1-12)): surviving statement (box 2) → Jacques Deep21 ÷ 7 = 3 · 70 ÷ 7 = 10 · 32 ÷ 4 = 8 · 70 ÷ 10 = 7 · 108 ÷ 9 = 12 · 30 ÷ 6 = 5 · 12 ÷ 12 = 1 · 108 ÷ 12 = 9 · 36 ÷ 9 = 4 · 99 ÷ 9 = 11 · 54 ÷ 9 = 6
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- Sky-Scurry Mystery — set in Cloud Harbor
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects