🔎 Fleta e punes le te permbajëGrade 5Reading: grades 5-6Fractions of a numberOrder of operationsMultiplicationRoundingDivision
Mystery of the Star Map Hijacker
A rogue hacker scrambled the observatory deep space coordinate grid and stole secret galaxy maps! Detective cadets must process data arrays and sector logs to expose the intruder.
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 | Primary Gadget | Secondary Gear | Habit | Visor Glow | Vulnerability |
|---|---|---|---|---|---|
| Commander Cora | Gravity Boots | Drone Swarm | Taps Right Foot | Amber Orange | Magnet Interference |
| Scout Orion | Plasma Cutter | Matrix Key | Taps Left Foot | Amber Orange | Thermal Shock |
| Detective Cruz | Gravity Boots | Signal Booster | Taps Right Foot | Neon Blue | Thermal Shock |
| Specialist Finn | Pulse Scanner | Drone Swarm | Taps Left Foot | Amber Orange | EMP Burst |
| Tech Nora | Pulse Scanner | Warp Beacon | Taps Right Foot | Neon Blue | EMP Burst |
| Tech Kael | Sonic Decoder | Data Shield | Taps Right Foot | Cyber Green | EMP Burst |
| Analyst Skye | Pulse Scanner | Signal Booster | Taps Left Foot | Cyber Green | Magnet Interference |
| Agent Vance | Pulse Scanner | Warp Beacon | Taps Left Foot | Neon Blue | EMP Burst |
| Detective Ray | Laser Grid | Drone Swarm | Taps Right Foot | Neon Blue | EMP Burst |
| Cadet Jax | Pulse Scanner | Matrix Key | Taps Left Foot | Amber Orange | EMP Burst |
| Chief Mina | Plasma Cutter | Data Shield | Taps Right Foot | Cyber Green | Magnet Interference |
| Pilot Leo | Sonic Decoder | Data Shield | Taps Left Foot | Neon Blue | EMP Burst |
| Scout Dax | Sonic Decoder | Warp Beacon | Taps Left Foot | Neon Blue | Thermal Shock |
| Pilot Maya | Laser Grid | Warp Beacon | Taps Left Foot | Amber Orange | EMP Burst |
| Specialist Lyra | Sonic Decoder | Matrix Key | Taps Right Foot | Cyber Green | Magnet Interference |
| Officer Taro | Pulse Scanner | Matrix Key | Taps Left Foot | Neon Blue | EMP Burst |
| Captain Steel | Sonic Decoder | Matrix Key | Taps Left Foot | Neon Blue | Thermal Shock |
| Officer Rex | Gravity Boots | Warp Beacon | Taps Left Foot | Cyber Green | Thermal Shock |
| Specialist Ivy | Pulse Scanner | Signal Booster | Taps Left Foot | Neon Blue | EMP Burst |
| Agent Blake | Gravity Boots | Drone Swarm | Taps Left Foot | Neon Blue | EMP Burst |
| Commander Nova | Gravity Boots | Signal Booster | Taps Left Foot | Amber Orange | Magnet Interference |
Clue 1
Fractions of a number
To unlock the encrypted server log, the academy detective calculates a fraction of the total radar blips registered during the breach.
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
18
23
10
36
11
3
28
10
23
4
40
34
10
36
37
11
10
19
21
11
T
18
28
19
10
4
19
32
3
21
4
33
8
11
11
19
T
18
10
36
2/10 of 90 =T
2/6 of 102 =K
4/5 of 45 =R
1/3 of 9 =G
4/6 of 60 =C
1/4 of 16 =A
3/6 of 20 =E
1/8 of 168 =N
3/10 of 110 =L
2/6 of 57 =S
2/8 of 92 =H
5/10 of 56 =U
1/8 of 64 =B
1/5 of 185 =D
2/8 of 128 =I
2/8 of 44 =O
0/16 letters found
Clue 2
Order of operations
The security team evaluates a multi-step access code where multi-operation priority rules dictate the correct override key.
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
66
10
29
64
6
70
70
70
60
W
66
70
16
70
46
6
49
29
29
60
46
46
10
64
68
12
6
24
29
24
42
42
29
8 × 9 - 6 =W
18 + 2 × 3 =F
10 × 8 - 16 =N
5 × 10 - 4 =P
10 × 7 - 21 =C
2 + 2 × 2 =E
56 + 2 × 7 =S
3 + 3 × 3 =L
7 × 10 - 10 =A
4 × 5 - 10 =I
9 × 8 - 30 =O
12 + 2 × 2 =U
52 + 2 × 8 =G
17 + 2 × 6 =T
0/14 letters found
Clue 3
Multiplication facts (1-12)
By counting rows of high-density data arrays across the central mainframe grid, the team calculates the full magnitude of stolen sector files.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
D
7
56
44
56
100
44
9
10
56
5
6
5
56
D
7
56
45
80
40
6
90
5
44
44
88
40
2
88
100
63
56
5
100
64
80
56
7 × 1 =D
1 × 9 =I
10 × 4 =B
9 × 10 =R
3 × 2 =U
8 × 8 =A
11 × 4 =T
1 × 5 =S
10 × 10 =C
2 × 1 =L
11 × 8 =O
5 × 9 =M
1 × 10 =V
9 × 7 =K
7 × 8 =E
8 × 10 =P
0/16 letters found
Clue 4
Rounding
The outer space sensor grid only displays galaxy coordinates rounded to the nearest thousand on its high-altitude scanner.
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
20
50
30
A
20
3700
2300
430
170
5000
2300
430
5000
500
90
4300
2300
130
90
430
1100
1100
A
20
110
90
2300
170
50
500
2300
1700
2900
5000
290
Round 19 to the nearest tenA
Round 111 to the nearest tenS
Round 3,697 to the nearest hundredC
Round 287 to the nearest tenD
Round 1,678 to the nearest hundredH
Round 1,052 to the nearest hundredW
Round 33 to the nearest tenR
Round 2,302 to the nearest hundredE
Round 2,940 to the nearest hundredI
Round 126 to the nearest tenG
Round 453 to the nearest hundredB
Round 173 to the nearest tenF
Round 4,271 to the nearest hundredU
Round 4,557 to the nearest thousandN
Round 426 to the nearest tenO
Round 86 to the nearest tenL
Round 51 to the nearest tenT
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
To distribute backup energy cores equally among all deep-space surveillance pods, the crew divides the available supply evenly.
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
20 ÷ 5 = ?
96 ÷ 8 = ?
40 ÷ 5 = ?
1 ÷ 1 = ?
33 ÷ 3 = ?
110 ÷ 11 = ?
56 ÷ 8 = ?
2 ÷ 1 = ?
48 ÷ 8 = ?
30 ÷ 6 = ?
15 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain locked down the vault doors, then activated a matrix key.
2.The villain jammed the star database, then set up a signal booster.
3.The villain hacked the orbital grid, then deployed a data shield.
4.The villain hacked the orbital grid, then dropped a warp beacon.
5.The villain scrambled the satellite radar, then released a drone swarm.
6.The villain scrambled the satellite radar, then activated a matrix key.
7.The villain locked down the vault doors, then released a drone swarm.
8.The villain hacked the orbital grid, then activated a matrix key.
9.The villain jammed the star database, then deployed a data shield.
10.The villain locked down the vault doors, then dropped a warp beacon.
11.The villain jammed the star database, then activated a matrix key.
12.The villain wiped the sector logs, then released a drone swarm.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — Mystery of the Star Map Hijacker
Culprit: Pilot Leo (Sonic Decoder · Data Shield · Taps Left Foot · Neon Blue · EMP Burst)
- Clue 1 (Fractions of a number): "THE ROGUE HACKER DOES NOT USE A SIGNAL BOOSTER"2/10 of 90 = 18 (T) · 2/6 of 102 = 34 (K) · 4/5 of 45 = 36 (R) · 1/3 of 9 = 3 (G) · 4/6 of 60 = 40 (C) · 1/4 of 16 = 4 (A) · 3/6 of 20 = 10 (E) · 1/8 of 168 = 21 (N) · 3/10 of 110 = 33 (L) · 2/6 of 57 = 19 (S) · 2/8 of 92 = 23 (H) · 5/10 of 56 = 28 (U) · 1/8 of 64 = 8 (B) · 1/5 of 185 = 37 (D) · 2/8 of 128 = 32 (I) · 2/8 of 44 = 11 (O)
- Clue 2 (Order of operations): "WITNESS SAW SUSPECT TAPPING LEFT FOOT"8 × 9 - 6 = 66 (W) · 18 + 2 × 3 = 24 (F) · 10 × 8 - 16 = 64 (N) · 5 × 10 - 4 = 46 (P) · 10 × 7 - 21 = 49 (C) · 2 + 2 × 2 = 6 (E) · 56 + 2 × 7 = 70 (S) · 3 + 3 × 3 = 12 (L) · 7 × 10 - 10 = 60 (A) · 4 × 5 - 10 = 10 (I) · 9 × 8 - 30 = 42 (O) · 12 + 2 × 2 = 16 (U) · 52 + 2 × 8 = 68 (G) · 17 + 2 × 6 = 29 (T)
- Clue 3 (Multiplication facts (1-12)): "DETECTIVES USED EMP BURST TO BLOCK ESCAPE"7 × 1 = 7 (D) · 1 × 9 = 9 (I) · 10 × 4 = 40 (B) · 9 × 10 = 90 (R) · 3 × 2 = 6 (U) · 8 × 8 = 64 (A) · 11 × 4 = 44 (T) · 1 × 5 = 5 (S) · 10 × 10 = 100 (C) · 2 × 1 = 2 (L) · 11 × 8 = 88 (O) · 5 × 9 = 45 (M) · 1 × 10 = 10 (V) · 9 × 7 = 63 (K) · 7 × 8 = 56 (E) · 8 × 10 = 80 (P)
- Clue 4 (Rounding): "A TRACE OF NEON BLUE GLOW WAS LEFT BEHIND"Round 19 to the nearest ten = 20 (A) · Round 111 to the nearest ten = 110 (S) · Round 3,697 to the nearest hundred = 3700 (C) · Round 287 to the nearest ten = 290 (D) · Round 1,678 to the nearest hundred = 1700 (H) · Round 1,052 to the nearest hundred = 1100 (W) · Round 33 to the nearest ten = 30 (R) · Round 2,302 to the nearest hundred = 2300 (E) · Round 2,940 to the nearest hundred = 2900 (I) · Round 126 to the nearest ten = 130 (G) · Round 453 to the nearest hundred = 500 (B) · Round 173 to the nearest ten = 170 (F) · Round 4,271 to the nearest hundred = 4300 (U) · Round 4,557 to the nearest thousand = 5000 (N) · Round 426 to the nearest ten = 430 (O) · Round 86 to the nearest ten = 90 (L) · Round 51 to the nearest ten = 50 (T)
- Clue 5 (Division facts (1-12)): surviving statement (box 9) → Pilot Leo20 ÷ 5 = 4 · 96 ÷ 8 = 12 · 40 ÷ 5 = 8 · 1 ÷ 1 = 1 · 33 ÷ 3 = 11 · 110 ÷ 11 = 10 · 56 ÷ 8 = 7 · 2 ÷ 1 = 2 · 48 ÷ 8 = 6 · 30 ÷ 6 = 5 · 15 ÷ 5 = 3
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Fractions of a number, Order of operations, Multiplication, Rounding, Division
- Reading level
- grades 5-6
- Theme
- Mystery of the Star Map Hijacker — set in Grid Observatory HQ
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects