🔎 Ryan Gabe Kailynn roman DonnGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
The Starlight Arcade Mystery
Someone snuck into the Starlight Arcade after closing and swapped the Golden Joystick trophy for a fake! Solve the math clues to uncover which suspect committed the caper.
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 | Special Gadget | Arcade Snack | Stance | Cap Color | Distraction |
|---|---|---|---|---|---|
| Bella | grapple beam | nacho chip | right handed | blue cap | shiny coin |
| Roman | turbo boots | sour gummie | right handed | red cap | shiny coin |
| Eva | neon visor | cotton candy | right handed | red cap | squeaky toy |
| Winnie | laser ring | cotton candy | left handed | green cap | loud whistle |
| Sam | power glove | pizza slice | left handed | red cap | loud whistle |
| Gabe | grapple beam | cotton candy | left handed | red cap | shiny coin |
| Donnie | grapple beam | salty popcorn | right handed | blue cap | shiny coin |
| Nora | neon visor | pizza slice | right handed | blue cap | shiny coin |
| Leo | neon visor | cotton candy | left handed | green cap | squeaky toy |
| Kailynn | laser ring | sour gummie | right handed | blue cap | shiny coin |
| Eli | laser ring | cotton candy | right handed | green cap | squeaky toy |
| Mari | turbo boots | nacho chip | right handed | blue cap | loud whistle |
| Mia | grapple beam | salty popcorn | right handed | green cap | shiny coin |
| Owen | grapple beam | sour gummie | left handed | red cap | squeaky toy |
| Jax | power glove | sour gummie | left handed | blue cap | shiny coin |
| Lucia | neon visor | sour gummie | left handed | green cap | loud whistle |
| Ivy | turbo boots | sour gummie | right handed | blue cap | squeaky toy |
| Maya | power glove | cotton candy | right handed | red cap | shiny coin |
| Ruby | neon visor | sour gummie | right handed | green cap | shiny coin |
| Ryan | neon visor | nacho chip | right handed | blue cap | shiny coin |
| Kai | power glove | pizza slice | right handed | blue cap | loud whistle |
Clue 1
Rounding
The score monitor rounds ticket totals to the nearest hundred to track the crowd.
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
2900
110
5000
200
3000
900
900
370
3000
30
20
3000
20
30
90
T
2900
5000
370
T
2900
370
50
3000
290
290
370
1300
900
3000
300
5000
Round 2,863 to the nearest hundredT
Round 290 to the nearest tenZ
Round 1,327 to the nearest hundredS
Round 368 to the nearest tenA
Round 166 to the nearest hundredV
Round 110 to the nearest tenH
Round 17 to the nearest tenD
Round 26 to the nearest tenN
Round 89 to the nearest tenO
Round 2,805 to the nearest thousandI
Round 5,405 to the nearest thousandE
Round 879 to the nearest hundredL
Round 51 to the nearest tenP
Round 278 to the nearest hundredC
0/14 letters found
Clue 2
Addition
Detective Ryan added up all the prize tickets found near the arcade machines.
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
5067
5836
7703
9214
7883
9214
4835
7703
9529
T
5067
7883
9214
7703
9181
T
5067
5836
7703
6964
6090
6090
6964
9664
5836
T
5067
5836
3594
6247
9181
T
5067
6238
9664
6090
3594
3554
6964
T
5067
3320 + 1747 =T
2268 + 3979 =N
2495 + 4469 =I
2409 + 2426 =P
4074 + 3629 =E
4820 + 4709 =C
3967 + 2123 =R
3543 + 4340 =U
5471 + 3743 =S
2500 + 1094 =A
1520 + 2034 =B
2538 + 3298 =H
3548 + 5633 =D
3943 + 2295 =O
6259 + 3405 =G
0/15 letters found
Clue 3
Subtraction
Detective Gabe subtracted the missing game tokens from the main register.
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
2157
7684
4002
8096
7219
7795
3895
7323
8096
7219
7517
A
2157
8733
6904
4363
4002
6904
7684
4289
7684
8955
6904
3895
4363
7684
4363
7323
8955
A
2157
7219
8733
2016
7323
7323
7610
6883 - 4726 =A
8943 - 1426 =M
10539 - 2443 =I
11064 - 4160 =E
10465 - 3142 =O
8386 - 4023 =T
8055 - 3766 =U
8344 - 660 =S
13262 - 4529 =D
4758 - 756 =H
8895 - 1285 =K
4717 - 2701 =L
7821 - 3926 =C
10459 - 2664 =Y
10421 - 3202 =N
11798 - 2843 =P
0/16 letters found
Clue 4
Multiplication facts (1-12)
Detective Kailynn counted rows of claw machines to check for hidden clues.
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
33
110
9
50
10
64
70
110
16
18
100
66
A
33
55
90
A
33
4
7
9
44
55
55
100
7
144
100
A
33
9
70
64
100
55
9
50
42
100
11 × 3 =A
7 × 10 =T
11 × 5 =P
7 × 6 =Z
4 × 4 =L
1 × 4 =S
10 × 10 =E
8 × 8 =H
11 × 6 =C
9 × 10 =W
5 × 10 =I
1 × 7 =D
11 × 4 =O
3 × 3 =R
1 × 10 =G
11 × 10 =B
12 × 12 =N
3 × 6 =U
0/18 letters found
Clue 5
Division facts (1-12) — the last clue
Detective Roman split the suspect cards evenly among the team to review them.
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
40 ÷ 4 = ?
132 ÷ 12 = ?
64 ÷ 8 = ?
36 ÷ 6 = ?
84 ÷ 7 = ?
8 ÷ 2 = ?
9 ÷ 1 = ?
3 ÷ 3 = ?
50 ÷ 10 = ?
35 ÷ 5 = ?
24 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain scanned the high score, then spilled some salty popcorn.
2.The villain swung from the ceiling light, then spilled some salty popcorn.
3.The villain scanned the high score, then left behind a pizza slice.
4.The villain swung from the ceiling light, then dropped a sour gummie.
5.The villain boosted across the room, then dropped a sour gummie.
6.The villain boosted across the room, then crushed a nacho chip.
7.The villain punched the prize button, then crushed a nacho chip.
8.The villain swung from the ceiling light, then crushed a nacho chip.
9.The villain zapped the game console, then spilled some salty popcorn.
10.The villain zapped the game console, then dropped a sour gummie.
11.The villain scanned the high score, then crushed a nacho chip.
12.The villain zapped the game console, then crushed a nacho chip.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Starlight Arcade Mystery
Culprit: Donnie (grapple beam · salty popcorn · right handed · blue cap · shiny coin)
- Clue 1 (Rounding): "THE VILLAIN DID NOT EAT A PIZZA SLICE"Round 2,863 to the nearest hundred = 2900 (T) · Round 290 to the nearest ten = 290 (Z) · Round 1,327 to the nearest hundred = 1300 (S) · Round 368 to the nearest ten = 370 (A) · Round 166 to the nearest hundred = 200 (V) · Round 110 to the nearest ten = 110 (H) · Round 17 to the nearest ten = 20 (D) · Round 26 to the nearest ten = 30 (N) · Round 89 to the nearest ten = 90 (O) · Round 2,805 to the nearest thousand = 3000 (I) · Round 5,405 to the nearest thousand = 5000 (E) · Round 879 to the nearest hundred = 900 (L) · Round 51 to the nearest ten = 50 (P) · Round 278 to the nearest hundred = 300 (C)
- Clue 2 (Addition): "THE SUSPECT USED THEIR RIGHT HAND TO GRAB IT"3320 + 1747 = 5067 (T) · 2268 + 3979 = 6247 (N) · 2495 + 4469 = 6964 (I) · 2409 + 2426 = 4835 (P) · 4074 + 3629 = 7703 (E) · 4820 + 4709 = 9529 (C) · 3967 + 2123 = 6090 (R) · 3543 + 4340 = 7883 (U) · 5471 + 3743 = 9214 (S) · 2500 + 1094 = 3594 (A) · 1520 + 2034 = 3554 (B) · 2538 + 3298 = 5836 (H) · 3548 + 5633 = 9181 (D) · 3943 + 2295 = 6238 (O) · 6259 + 3405 = 9664 (G)
- Clue 3 (Subtraction): "A SHINY COIN MADE THE SUSPECT STOP AND LOOK"6883 - 4726 = 2157 (A) · 8943 - 1426 = 7517 (M) · 10539 - 2443 = 8096 (I) · 11064 - 4160 = 6904 (E) · 10465 - 3142 = 7323 (O) · 8386 - 4023 = 4363 (T) · 8055 - 3766 = 4289 (U) · 8344 - 660 = 7684 (S) · 13262 - 4529 = 8733 (D) · 4758 - 756 = 4002 (H) · 8895 - 1285 = 7610 (K) · 4717 - 2701 = 2016 (L) · 7821 - 3926 = 3895 (C) · 10459 - 2664 = 7795 (Y) · 10421 - 3202 = 7219 (N) · 11798 - 2843 = 8955 (P)
- Clue 4 (Multiplication facts (1-12)): "A BRIGHT BLUE CAP WAS DROPPED NEAR THE PRIZE"11 × 3 = 33 (A) · 7 × 10 = 70 (T) · 11 × 5 = 55 (P) · 7 × 6 = 42 (Z) · 4 × 4 = 16 (L) · 1 × 4 = 4 (S) · 10 × 10 = 100 (E) · 8 × 8 = 64 (H) · 11 × 6 = 66 (C) · 9 × 10 = 90 (W) · 5 × 10 = 50 (I) · 1 × 7 = 7 (D) · 11 × 4 = 44 (O) · 3 × 3 = 9 (R) · 1 × 10 = 10 (G) · 11 × 10 = 110 (B) · 12 × 12 = 144 (N) · 3 × 6 = 18 (U)
- Clue 5 (Division facts (1-12)): surviving statement (box 2) → Donnie40 ÷ 4 = 10 · 132 ÷ 12 = 11 · 64 ÷ 8 = 8 · 36 ÷ 6 = 6 · 84 ÷ 7 = 12 · 8 ÷ 2 = 4 · 9 ÷ 1 = 9 · 3 ÷ 3 = 1 · 50 ÷ 10 = 5 · 35 ÷ 5 = 7 · 24 ÷ 8 = 3
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Starlight Arcade Mystery — set in Starlight Arcade
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects