🔎 MilitaryGrade 5Reading: grades 5-6MultiplicationAdditionSubtractionPlace valueDivision
The Radar Room Sabotage
An unknown operator has bypassed security and scrambled Fort Sentinel's tactical radar array right before the grand training exercises! We must decode the clues and pinpoint the culprit.
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 | Specialty | Tactical Gear | Salute Style | Headgear | Vulnerability |
|---|---|---|---|---|---|
| Sergeant Walker | Drone Pilot | Tactical Radio | Left-Handed Salute | Crew Cut Hair | Loud Alarm Sirens |
| Admiral Butler | Heavy Artillery | Night Vision Goggles | Right-Handed Salute | Crew Cut Hair | Loud Alarm Sirens |
| Colonel Vance | Drone Pilot | Tactical Radio | Right-Handed Salute | Beret Hat | Bright Searchlights |
| Captain Travis | Heavy Artillery | Night Vision Goggles | Right-Handed Salute | Beret Hat | Water Sprinklers |
| Sergeant Clark | Code Breaker | Signal Jammer | Left-Handed Salute | Beret Hat | Bright Searchlights |
| Admiral Sherman | Stealth Recon | Smoke Grenades | Right-Handed Salute | Camouflage Helmet | Loud Alarm Sirens |
| Lieutenant Webb | Drone Pilot | Laser Pointer | Right-Handed Salute | Crew Cut Hair | Loud Alarm Sirens |
| General Eisenhower | Heavy Artillery | Signal Jammer | Right-Handed Salute | Crew Cut Hair | Loud Alarm Sirens |
| Admiral Washington | Stealth Recon | Night Vision Goggles | Right-Handed Salute | Crew Cut Hair | Loud Alarm Sirens |
| Captain Halsey | Fleet Admiral | Night Vision Goggles | Right-Handed Salute | Camouflage Helmet | Loud Alarm Sirens |
| Commander Nimitz | Code Breaker | Smoke Grenades | Left-Handed Salute | Crew Cut Hair | Bright Searchlights |
| Colonel Grant | Code Breaker | Signal Jammer | Right-Handed Salute | Crew Cut Hair | Water Sprinklers |
| Captain Davis | Stealth Recon | Night Vision Goggles | Left-Handed Salute | Camouflage Helmet | Loud Alarm Sirens |
| Commander Knox | Drone Pilot | Smoke Grenades | Left-Handed Salute | Crew Cut Hair | Water Sprinklers |
| Major Ridley | Fleet Admiral | Night Vision Goggles | Right-Handed Salute | Camouflage Helmet | Bright Searchlights |
| Major Bradley | Stealth Recon | Tactical Radio | Left-Handed Salute | Beret Hat | Loud Alarm Sirens |
| Sergeant York | Stealth Recon | Night Vision Goggles | Right-Handed Salute | Beret Hat | Water Sprinklers |
| Colonel Taylor | Fleet Admiral | Tactical Radio | Left-Handed Salute | Camouflage Helmet | Bright Searchlights |
| General Marshall | Stealth Recon | Laser Pointer | Right-Handed Salute | Crew Cut Hair | Loud Alarm Sirens |
| Lieutenant Lee | Stealth Recon | Smoke Grenades | Right-Handed Salute | Beret Hat | Bright Searchlights |
| Commander MacArthur | Fleet Admiral | Tactical Radio | Right-Handed Salute | Crew Cut Hair | Water Sprinklers |
Clue 1
Multiplication facts (1-12)
To locate the suspect's gear crates, we need to multiply the rows of supply trucks by the items in each load.
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
132
11
15
96
12
108
63
T
132
15
7
20
18
63
15
96
10
63
T
132
7
96
15
12
96
90
35
10
12
2
121
12
27
27
15
20
12 × 11 =T
7 × 5 =G
9 × 7 =O
1 × 7 =U
3 × 6 =D
1 × 11 =H
3 × 4 =A
10 × 1 =N
12 × 8 =S
9 × 10 =I
3 × 9 =M
10 × 2 =R
12 × 9 =B
1 × 2 =L
5 × 3 =E
11 × 11 =J
0/16 letters found
Clue 2
Addition
Our scouts tallied the total number of security checkpoints passed. We must add these patrol reports together.
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
7450
2025
4111
2862
3191
2862
2297
4111
7984
T
7450
2862
7957
4450
3191
T
7450
4111
3695
2465
5295
T
7450
2025
T
7450
2025
4111
5295
3950
3950
5295
2320
2025
T
7450
2025
7957
3557
3695
4360 + 3090 =T
1360 + 960 =G
2580 + 2715 =I
1226 + 1636 =S
1811 + 1884 =D
1113 + 1184 =P
3163 + 4794 =A
1661 + 1530 =U
2268 + 1843 =E
5079 + 2905 =C
648 + 1377 =H
1424 + 1041 =W
1250 + 2307 =N
2439 + 1511 =R
2946 + 1504 =L
0/15 letters found
Clue 3
Subtraction
The supply officer wants to find how much fuel was taken from the reserve tank by subtracting the leftover barrels.
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
3347
2585
1488
1508
4300
7606
7606
1954
4300
5713
2053
4007
6458
1488
2737
1488
2448
1954
T
3347
T
3347
2585
1488
7606
4007
8303
2448
1954
7606
1954
2737
4145
2071
6039 - 2692 =T
6227 - 4739 =E
11626 - 4020 =L
4103 - 2149 =A
6356 - 3771 =H
6806 - 4735 =S
6540 - 82 =W
5622 - 3174 =D
4834 - 534 =I
7686 - 4949 =R
10640 - 4927 =N
13148 - 4845 =U
4993 - 3485 =V
6972 - 4919 =C
5780 - 1773 =O
8529 - 4384 =M
0/16 letters found
Clue 4
Place value
The security lock has a scrambled digital code. We must read the exact value of the hundreds digit to open it.
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
60
900
3000
400
20
8000
500
20
800
900
8000
100
9000
50
20
7000
10
50
80
8000
3000
A
60
800
20
10
A
60
900
40
400
80
300
700
What is the value of the 6 in 20,069?A
What is the value of the 1 in 44,516?W
What is the value of the 8 in 67,182?U
What is the value of the 5 in 294,527?B
What is the value of the 9 in 79,333?Y
What is the value of the 8 in 47,812?I
What is the value of the 4 in 223,482?O
What is the value of the 3 in 983,650?H
What is the value of the 1 in 66,144?L
What is the value of the 4 in 67,240?F
What is the value of the 7 in 854,713?D
What is the value of the 7 in 27,889?E
What is the value of the 3 in 514,309?N
What is the value of the 5 in 944,953?C
What is the value of the 9 in 61,956?S
What is the value of the 8 in 398,277?T
What is the value of the 2 in 13,526?R
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
We need to distribute the heavy shield barricades equally among the squads to see how many each team gets.
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
30 ÷ 6 = ?
45 ÷ 5 = ?
48 ÷ 4 = ?
30 ÷ 5 = ?
27 ÷ 9 = ?
90 ÷ 9 = ?
4 ÷ 1 = ?
55 ÷ 5 = ?
28 ÷ 4 = ?
12 ÷ 6 = ?
12 ÷ 12 = ?
Step 2 — cross out the sentence with each answer
1.The villain unlocked the command vault, then swapped the radio codes.
2.The villain sneaked into the bunker, then cut the power cables.
3.The villain disguised as a technician, then swapped the radio codes.
4.The villain bypassed the gate guard, then cut the power cables.
5.The villain sneaked into the bunker, then stole the sector maps.
6.The villain disguised as a technician, then scrambled the coordinates.
7.The villain scaled the radar tower, then scrambled the coordinates.
8.The villain unlocked the command vault, then stole the sector maps.
9.The villain scaled the radar tower, then swapped the radio codes.
10.The villain disguised as a technician, then stole the sector maps.
11.The villain bypassed the gate guard, then jammed the radar screen.
12.The villain sneaked into the bunker, then swapped the radio codes.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Radar Room Sabotage
Culprit: Lieutenant Webb (Drone Pilot · Laser Pointer · Right-Handed Salute · Crew Cut Hair · Loud Alarm Sirens)
- Clue 1 (Multiplication facts (1-12)): "THE SABOTEUR DOES NOT USE A SIGNAL JAMMER"12 × 11 = 132 (T) · 7 × 5 = 35 (G) · 9 × 7 = 63 (O) · 1 × 7 = 7 (U) · 3 × 6 = 18 (D) · 1 × 11 = 11 (H) · 3 × 4 = 12 (A) · 10 × 1 = 10 (N) · 12 × 8 = 96 (S) · 9 × 10 = 90 (I) · 3 × 9 = 27 (M) · 10 × 2 = 20 (R) · 12 × 9 = 108 (B) · 1 × 2 = 2 (L) · 5 × 3 = 15 (E) · 11 × 11 = 121 (J)
- Clue 2 (Addition): "THE SUSPECT SALUTED WITH THEIR RIGHT HAND"4360 + 3090 = 7450 (T) · 1360 + 960 = 2320 (G) · 2580 + 2715 = 5295 (I) · 1226 + 1636 = 2862 (S) · 1811 + 1884 = 3695 (D) · 1113 + 1184 = 2297 (P) · 3163 + 4794 = 7957 (A) · 1661 + 1530 = 3191 (U) · 2268 + 1843 = 4111 (E) · 5079 + 2905 = 7984 (C) · 648 + 1377 = 2025 (H) · 1424 + 1041 = 2465 (W) · 1250 + 2307 = 3557 (N) · 2439 + 1511 = 3950 (R) · 2946 + 1504 = 4450 (L)
- Clue 3 (Subtraction): "THE VILLAIN COWERED AT THE LOUD ALARMS"6039 - 2692 = 3347 (T) · 6227 - 4739 = 1488 (E) · 11626 - 4020 = 7606 (L) · 4103 - 2149 = 1954 (A) · 6356 - 3771 = 2585 (H) · 6806 - 4735 = 2071 (S) · 6540 - 82 = 6458 (W) · 5622 - 3174 = 2448 (D) · 4834 - 534 = 4300 (I) · 7686 - 4949 = 2737 (R) · 10640 - 4927 = 5713 (N) · 13148 - 4845 = 8303 (U) · 4993 - 3485 = 1508 (V) · 6972 - 4919 = 2053 (C) · 5780 - 1773 = 4007 (O) · 8529 - 4384 = 4145 (M)
- Clue 4 (Place value): "A SHORT BRISTLY CREW CUT HAIR WAS FOUND"What is the value of the 6 in 20,069? = 60 (A) · What is the value of the 1 in 44,516? = 10 (W) · What is the value of the 8 in 67,182? = 80 (U) · What is the value of the 5 in 294,527? = 500 (B) · What is the value of the 9 in 79,333? = 9000 (Y) · What is the value of the 8 in 47,812? = 800 (I) · What is the value of the 4 in 223,482? = 400 (O) · What is the value of the 3 in 983,650? = 3000 (H) · What is the value of the 1 in 66,144? = 100 (L) · What is the value of the 4 in 67,240? = 40 (F) · What is the value of the 7 in 854,713? = 700 (D) · What is the value of the 7 in 27,889? = 7000 (E) · What is the value of the 3 in 514,309? = 300 (N) · What is the value of the 5 in 944,953? = 50 (C) · What is the value of the 9 in 61,956? = 900 (S) · What is the value of the 8 in 398,277? = 8000 (T) · What is the value of the 2 in 13,526? = 20 (R)
- Clue 5 (Division facts (1-12)): surviving statement (box 8) → Lieutenant Webb30 ÷ 6 = 5 · 45 ÷ 5 = 9 · 48 ÷ 4 = 12 · 30 ÷ 5 = 6 · 27 ÷ 9 = 3 · 90 ÷ 9 = 10 · 4 ÷ 1 = 4 · 55 ÷ 5 = 11 · 28 ÷ 4 = 7 · 12 ÷ 6 = 2 · 12 ÷ 12 = 1
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Multiplication, Addition, Subtraction, Place value, Division
- Reading level
- grades 5-6
- Theme
- The Radar Room Sabotage — set in Fort Sentinel Command Center
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects