🔎 Stranger ThingsGrade 5Reading: grades 3-4MultiplicationFractions of a numberOrder of operationsRoundingDivision
The Upside Mystery of Hawkins Town
Something strange is happening in Hawkins Town! A shadowy villain snuck into the school basement and ruined the science fair project. Clues are hidden around the school, and only the local detectives can solve the mystery!
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 | Main Power | Extra Power | Habit Tell | Hair Style | Secret Weakness |
|---|---|---|---|---|---|
| Eddie M | sonic scream | time loop | left handed | spiked black | bright lights |
| Mike W | flame cast | electric shock | right handed | messy brown | bright lights |
| Jason C | flame cast | shadow step | right handed | spiked black | loud music |
| Nancy W | sonic scream | frost touch | right handed | buzz cut | cold mist |
| Jonathan B | sonic scream | electric shock | left handed | messy brown | cold mist |
| Jim H | telepathic push | shield bubble | right handed | spiked black | cold mist |
| Vickie T | portal spark | frost touch | right handed | messy brown | cold mist |
| Suzie P | sonic scream | electric shock | right handed | messy brown | bright lights |
| Lucas S | flame cast | time loop | left handed | spiked black | bright lights |
| Steve H | telepathic push | electric shock | right handed | buzz cut | bright lights |
| Erica S | mind read | shield bubble | right handed | buzz cut | cold mist |
| Ted W | flame cast | electric shock | left handed | buzz cut | cold mist |
| Robin B | mind read | shadow step | left handed | buzz cut | loud music |
| Max M | telepathic push | time loop | left handed | buzz cut | loud music |
| Holly W | flame cast | time loop | right handed | buzz cut | cold mist |
| Dustin H | portal spark | time loop | right handed | buzz cut | cold mist |
| Murray B | portal spark | time loop | right handed | spiked black | cold mist |
| Karen W | telepathic push | frost touch | left handed | spiked black | loud music |
| Argyle K | telepathic push | time loop | right handed | buzz cut | cold mist |
| Will B | sonic scream | time loop | right handed | buzz cut | loud music |
| Chrissy C | portal spark | electric shock | left handed | spiked black | bright lights |
Clue 1
Multiplication facts (1-12)
The AV Club counts stacks of glowing radio tubes arranged in equal rows to decode a mysterious message.
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
50
22
16
2
45
70
70
63
45
81
12
54
16
32
81
54
T
50
96
32
16
32
22
45
16
70
12
11
96
11
11
70
16
10 × 5 =T
12 × 1 =D
9 × 5 =I
2 × 11 =H
4 × 4 =E
1 × 2 =V
8 × 4 =S
9 × 9 =N
8 × 12 =U
9 × 7 =A
1 × 11 =B
9 × 6 =O
7 × 10 =L
0/13 letters found
Clue 2
Fractions of a number
The young investigators analyze a box of walkie talkies to see what fraction still receive the strange signal.
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
6
21
24
35
4
10
10
38
4
7
T
6
21
15
17
14
11
22
38
15
T
6
11
14
4
T
6
21
T
6
21
24
4
15
15
4
9
21
T
6
21
38
7
22
2/8 of 24 =T
2/8 of 140 =V
3/8 of 64 =E
1/6 of 132 =D
2/6 of 30 =L
1/4 of 36 =G
2/4 of 22 =S
1/2 of 76 =A
5/10 of 14 =N
3/8 of 40 =R
6/10 of 35 =H
2/4 of 28 =W
1/8 of 32 =I
2/10 of 85 =O
0/14 letters found
Clue 3
Order of operations
The team follows a multi step grid puzzle on the arcade screen to decrypt the hidden cipher.
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
68
24
61
75
66
30
30
17
66
76
63
61
30
T
68
38
17
31
17
13
66
76
37
48
30
51
63
66
38
T
68
8 × 12 - 28 =T
8 × 7 - 5 =D
53 + 5 × 2 =M
5 × 12 - 12 =O
2 × 9 - 5 =Y
8 × 6 - 11 =C
9 × 9 - 6 =V
8 × 11 - 22 =I
4 × 8 - 1 =W
4 × 11 - 20 =H
7 + 5 × 2 =A
46 + 5 × 3 =E
12 × 5 - 22 =S
8 × 4 - 2 =L
8 × 10 - 4 =N
0/15 letters found
Clue 4
Rounding
The lab tracker screen flashes blurry power readings that only display to the nearest hundred.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
E
300
7000
20
70
E
300
430
370
E
300
1700
110
2000
30
1700
1300
3700
900
370
E
300
1700
2000
700
90
2300
290
290
370
2300
1300
110
900
20
3700
Round 324 to the nearest hundredE
Round 2,077 to the nearest thousandO
Round 370 to the nearest tenC
Round 289 to the nearest tenZ
Round 23 to the nearest tenI
Round 682 to the nearest hundredF
Round 1,332 to the nearest hundredT
Round 7,380 to the nearest thousandV
Round 1,685 to the nearest hundredS
Round 431 to the nearest tenN
Round 90 to the nearest tenB
Round 28 to the nearest tenW
Round 2,308 to the nearest hundredU
Round 112 to the nearest tenH
Round 3,749 to the nearest hundredR
Round 926 to the nearest hundredA
Round 69 to the nearest tenD
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
The friends split up the remaining battery packs equally among their search squads.
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
12 ÷ 6 = ?
48 ÷ 6 = ?
15 ÷ 5 = ?
11 ÷ 11 = ?
28 ÷ 7 = ?
88 ÷ 8 = ?
120 ÷ 10 = ?
60 ÷ 6 = ?
7 ÷ 1 = ?
90 ÷ 10 = ?
30 ÷ 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain uses telepathic push to disrupt signals, then zaps the lights with electric shock.
2.The villain lets out a sonic scream to confuse clues, then leaves behind a frost touch.
3.The villain uses telepathic push to disrupt signals, then traps the room in a time loop.
4.The villain reads minds to swipe secret codes, then slips into a shadow step.
5.The villain uses telepathic push to disrupt signals, then slips into a shadow step.
6.The villain casts flame to scorch the records, then traps the room in a time loop.
7.The villain opens a portal spark in the dark, then leaves behind a frost touch.
8.The villain opens a portal spark in the dark, then traps the room in a time loop.
9.The villain lets out a sonic scream to confuse clues, then zaps the lights with electric shock.
10.The villain uses telepathic push to disrupt signals, then leaves behind a frost touch.
11.The villain casts flame to scorch the records, then leaves behind a frost touch.
12.The villain casts flame to scorch the records, then zaps the lights with electric shock.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Upside Mystery of Hawkins Town
Culprit: Holly W (flame cast · time loop · right handed · buzz cut · cold mist)
- Clue 1 (Multiplication facts (1-12)): "THE VILLAIN DOES NOT USE SHIELD BUBBLE"10 × 5 = 50 (T) · 12 × 1 = 12 (D) · 9 × 5 = 45 (I) · 2 × 11 = 22 (H) · 4 × 4 = 16 (E) · 1 × 2 = 2 (V) · 8 × 4 = 32 (S) · 9 × 9 = 81 (N) · 8 × 12 = 96 (U) · 9 × 7 = 63 (A) · 1 × 11 = 11 (B) · 9 × 6 = 54 (O) · 7 × 10 = 70 (L)
- Clue 2 (Fractions of a number): "THE VILLAIN THROWS DARTS WITH THEIR RIGHT HAND"2/8 of 24 = 6 (T) · 2/8 of 140 = 35 (V) · 3/8 of 64 = 24 (E) · 1/6 of 132 = 22 (D) · 2/6 of 30 = 10 (L) · 1/4 of 36 = 9 (G) · 2/4 of 22 = 11 (S) · 1/2 of 76 = 38 (A) · 5/10 of 14 = 7 (N) · 3/8 of 40 = 15 (R) · 6/10 of 35 = 21 (H) · 2/4 of 28 = 14 (W) · 1/8 of 32 = 4 (I) · 2/10 of 85 = 17 (O)
- Clue 3 (Order of operations): "THE VILLAIN MELTS AWAY IN COLD MIST"8 × 12 - 28 = 68 (T) · 8 × 7 - 5 = 51 (D) · 53 + 5 × 2 = 63 (M) · 5 × 12 - 12 = 48 (O) · 2 × 9 - 5 = 13 (Y) · 8 × 6 - 11 = 37 (C) · 9 × 9 - 6 = 75 (V) · 8 × 11 - 22 = 66 (I) · 4 × 8 - 1 = 31 (W) · 4 × 11 - 20 = 24 (H) · 7 + 5 × 2 = 17 (A) · 46 + 5 × 3 = 61 (E) · 12 × 5 - 22 = 38 (S) · 8 × 4 - 2 = 30 (L) · 8 × 10 - 4 = 76 (N)
- Clue 4 (Rounding): "EVIDENCE SHOWS TRACES OF BUZZ CUT HAIR"Round 324 to the nearest hundred = 300 (E) · Round 2,077 to the nearest thousand = 2000 (O) · Round 370 to the nearest ten = 370 (C) · Round 289 to the nearest ten = 290 (Z) · Round 23 to the nearest ten = 20 (I) · Round 682 to the nearest hundred = 700 (F) · Round 1,332 to the nearest hundred = 1300 (T) · Round 7,380 to the nearest thousand = 7000 (V) · Round 1,685 to the nearest hundred = 1700 (S) · Round 431 to the nearest ten = 430 (N) · Round 90 to the nearest ten = 90 (B) · Round 28 to the nearest ten = 30 (W) · Round 2,308 to the nearest hundred = 2300 (U) · Round 112 to the nearest ten = 110 (H) · Round 3,749 to the nearest hundred = 3700 (R) · Round 926 to the nearest hundred = 900 (A) · Round 69 to the nearest ten = 70 (D)
- Clue 5 (Division facts (1-12)): surviving statement (box 6) → Holly W12 ÷ 6 = 2 · 48 ÷ 6 = 8 · 15 ÷ 5 = 3 · 11 ÷ 11 = 1 · 28 ÷ 7 = 4 · 88 ÷ 8 = 11 · 120 ÷ 10 = 12 · 60 ÷ 6 = 10 · 7 ÷ 1 = 7 · 90 ÷ 10 = 9 · 30 ÷ 6 = 5
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Multiplication, Fractions of a number, Order of operations, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Upside Mystery of Hawkins Town — set in Hawkins Town Middle School Basement
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects