Math Mysteries
🔎 The songs Dai Dai and World Grade 5Reading: grades 5-6Fractions of a numberMulti-step word problemsOrder of operationsMultiplication

The Great Anthem Heist

The opening match of the World Cup is hours away, but the Golden Microphone has been stolen from the Grand Arena! A mysterious thief replaced the stadium's anthem tracks with silly farm animal noises. We must decode the clues left behind at the soundboard and find the culprit before kickoff!

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameAnthem TuneStage FXKicking FootHead WearStump Factor
JenniferDai DrumsGolden Cleatsright footed kickerGreen HeadbandYellow Card
ShakiraDai DrumsVuvuzela Soloright footed kickerGreen HeadbandYellow Card
ZinedineDai DrumsGolden Cleatsright footed kickerNeon Pink CapYellow Card
DavidFlag WavesLaser Lightsright footed kickerGreen HeadbandYellow Card
GianniWaka BeatsLaser Lightsright footed kickerGreen HeadbandYellow Card
DiegoFlag WavesLaser Lightsleft footed kickerGreen HeadbandYellow Card
MartaCopa HornsConfetti Blastleft footed kickerSpiky Gold HairYellow Card
KnaanWaka BeatsLaser Lightsleft footed kickerNeon Pink CapReferee Whistle
TaylorCopa HornsVuvuzela Soloright footed kickerGreen HeadbandReferee Whistle
PitbullWaka BeatsConfetti Blastright footed kickerGreen HeadbandYellow Card
KylianSamba ChordsConfetti Blastright footed kickerGreen HeadbandWater Splash
MeganDai DrumsGolden Cleatsleft footed kickerGreen HeadbandWater Splash
NeymarDai DrumsVuvuzela Soloright footed kickerNeon Pink CapReferee Whistle
AdeleFlag WavesConfetti Blastleft footed kickerSpiky Gold HairYellow Card
BrunoCopa HornsVuvuzela Soloright footed kickerSpiky Gold HairReferee Whistle
RonaldinhoCopa HornsVuvuzela Soloright footed kickerGreen HeadbandYellow Card
PeleCopa HornsNeon Headphonesright footed kickerGreen HeadbandReferee Whistle
CristianoDai DrumsLaser Lightsleft footed kickerSpiky Gold HairWater Splash
RickyDai DrumsNeon Headphonesleft footed kickerGreen HeadbandYellow Card
SheeranSamba ChordsVuvuzela Soloright footed kickerNeon Pink CapYellow Card
LionelWaka BeatsGolden Cleatsright footed kickerSpiky Gold HairYellow Card
Clue 1

Fractions of a number

The sound crew counted a fraction of the broken microphone cables left behind to narrow down our search.

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
33
38
18
6
13
7
28
T
33
18
23
4
31
28
18
6
12
28
T
33
23
6
18
13
14
23
14
23
20
18
3
13
6
28
3
28
2/10 of 165 =T
2/8 of 92 =U
3/6 of 8 =R
4/5 of 15 =N
2/4 of 40 =Z
1/5 of 190 =H
2/10 of 90 =E
1/8 of 48 =S
3/10 of 10 =L
2/10 of 140 =O
4/8 of 28 =V
1/2 of 62 =D
3/6 of 14 =B
2/8 of 52 =A
0/14 letters found
Clue 2

Multi-step word problems

We had to solve a tricky multi-step gear inventory puzzle to figure out which dressing room was breached.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Awitnesssawthevillainwas
R
79
15
32
77
23
58
61
61
23
E
 
D
 
K
 
15
C
 
K
 
E
 
R
79
.
The coach earned 7 soccer balls in each of 6 rounds, plus 46 bonus soccer balls. Then 9 soccer balls were lost. How many soccer balls are left?R
The coach filled 3 boxes with 7 stadium seats each, then found 56 more stadium seats. How many stadium seats are there in all?H
The coach filled 4 boxes with 3 vuvuzelas each, then found 49 more vuvuzelas. How many vuvuzelas are there in all?O
There were 212 musical notes in all. 20 musical notes were set aside. The rest were shared equally among 6 The Anthem Stars. How many musical notes did each get?G
The coach earned 4 musical notes in each of 6 rounds, plus 41 bonus musical notes. Then 7 musical notes were lost. How many musical notes are left?F
There were 263 stadium seats in all. 33 stadium seats were set aside. The rest were shared equally among 10 The Anthem Stars. How many stadium seats did each get?T
There were 156 musical notes in all. 21 musical notes were set aside. The rest were shared equally among 9 The Anthem Stars. How many musical notes did each get?I
0/7 letters found
Clue 3

Order of operations

The stadium security code requires a specific order of operations to unlock the surveillance footage.

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
57
28
77
28
37
37
76
26
68
41
56
33
11
41
34
28
9
T
6
57
28
11
56
16
70
3 × 6 - 12 =T
3 × 12 - 25 =M
10 + 3 × 9 =L
6 × 6 - 3 =D
2 × 11 - 6 =U
11 × 5 - 27 =E
41 + 5 × 3 =R
28 + 3 × 2 =K
10 × 5 - 9 =A
3 + 3 × 2 =S
7 × 12 - 7 =Y
8 × 12 - 28 =C
10 × 7 - 13 =H
8 × 10 - 10 =N
20 + 2 × 3 =W
9 × 9 - 5 =O
0/16 letters found
Clue 4

Multiplication facts (1-12)

A fan noticed rows of shiny soccer cleats, and multiplying the pairs gave us the next clue.

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
3
132
48
60
60
84
7
60
A
3
4
120
A
3
84
4
36
1
48
A
3
84
4
100
A
3
36
20
33
11
84
4
3 × 1 =A
6 × 8 =R
3 × 11 =O
4 × 1 =D
5 × 12 =E
12 × 3 =S
12 × 7 =N
1 × 1 =T
1 × 11 =U
10 × 12 =B
7 × 1 =H
2 × 10 =F
11 × 12 =G
10 × 10 =W
0/14 letters found
Clue 5

Fractions of a number — the last clue

Only a fraction of the stadium lights were working, which helped us spot the exact exit route.

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
8/10 of 15 = ?
4/5 of 10 = ?
2/10 of 10 = ?
3/6 of 20 = ?
3/6 of 12 = ?
5/10 of 10 = ?
9/10 of 10 = ?
1/3 of 21 = ?
3/10 of 10 = ?
2/8 of 4 = ?
4/6 of 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain waves a giant colored flag, then triggers a confetti blast.
2.The villain waves a giant colored flag, then shines laser lights into the crowd.
3.The villain blasts a loud waka beat, then cranks up their neon headphones.
4.The villain bangs a heavy dai drum, then plays a screeching vuvuzela solo.
5.The villain strums a swift samba chord, then kicks with golden cleats.
6.The villain waves a giant colored flag, then cranks up their neon headphones.
7.The villain blasts a loud waka beat, then kicks with golden cleats.
8.The villain bangs a heavy dai drum, then kicks with golden cleats.
9.The villain strums a swift samba chord, then shines laser lights into the crowd.
10.The villain strums a swift samba chord, then cranks up their neon headphones.
11.The villain blasts a loud waka beat, then shines laser lights into the crowd.
12.The villain blasts a loud waka beat, then triggers a confetti blast.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Fractions of a number, Multi-step word problems, Order of operations, Multiplication
Reading level
grades 5-6
Theme
The Great Anthem Heist — set in The Grand Arena Soundstage
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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