Math Crackers
🔎 Singers, concertsGrade 4Reading: grades 3-4Place valueAdditionMultiplicationRoundingDivision

The Great Concert Sabotage

Just minutes before the biggest pop concert of the year, someone snuck backstage and stole the golden microphone! The venue was filled with fans, but the mystery thief vanished behind the curtain. Use your math skills to decode the clues, eliminate suspects, and track down the culprit before showtime!

Suspects

Possible suspects

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

21 of 21 still in play
NameVocal MoveStage EffectMic HandWig ColorSound Fright
UsherOperatic RunConfetti BlastLeft HandedNeon PurpleBass Boost Sound
Michael JacksonOperatic RunStrobe FlashLeft HandedNeon PurpleBass Boost Sound
Elton JohnBeatbox BurstFog CannonLeft HandedShiny SilverBass Boost Sound
Lady GagaOperatic RunFog CannonLeft HandedShiny SilverHigh Pitch Feedback
Dua LipaBeatbox BurstSparkler RainLeft HandedNeon PurpleHigh Pitch Feedback
Ariana GrandeEcho BeltingFog CannonRight HandedNeon PurpleSqueaky Drum Pedal
Taylor SwiftBeatbox BurstFog CannonRight HandedNeon PurpleSqueaky Drum Pedal
RihannaWhistle High NoteStrobe FlashLeft HandedShiny SilverBass Boost Sound
The WeekndBeatbox BurstSparkler RainRight HandedShiny SilverBass Boost Sound
Olivia RodrigoWhistle High NoteConfetti BlastLeft HandedNeon PurpleSqueaky Drum Pedal
Ed SheeranRap CannonballPink LasersLeft HandedShiny SilverBass Boost Sound
Post MaloneBeatbox BurstStrobe FlashRight HandedFlashy GoldHigh Pitch Feedback
Justin BieberOperatic RunPink LasersRight HandedShiny SilverSqueaky Drum Pedal
Selena GomezBeatbox BurstStrobe FlashRight HandedFlashy GoldBass Boost Sound
Shawn MendesBeatbox BurstSparkler RainRight HandedNeon PurpleBass Boost Sound
Bruno MarsWhistle High NoteSparkler RainLeft HandedShiny SilverBass Boost Sound
Katy PerryWhistle High NotePink LasersLeft HandedShiny SilverSqueaky Drum Pedal
BeyoncéBeatbox BurstSparkler RainLeft HandedShiny SilverBass Boost Sound
DrakeOperatic RunConfetti BlastLeft HandedShiny SilverHigh Pitch Feedback
AdeleOperatic RunSparkler RainRight HandedFlashy GoldSqueaky Drum Pedal
Harry StylesWhistle High NotePink LasersRight HandedShiny SilverHigh Pitch Feedback
Clue 1

Place value

The soundboard display is broken into place value digits. Decode the digits to reveal the first hidden note from backstage!

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
800
3000
5000
300
20
90
90
4000
20
30
500
700
5000
9000
30
700
T
800
100
9000
5000
70
700
600
80
4000
30
30
700
30
What is the value of the 8 in 806?T
What is the value of the 2 in 820?I
What is the value of the 7 in 743?O
What is the value of the 3 in 4,130?N
What is the value of the 9 in 798?L
What is the value of the 4 in 74,911?A
What is the value of the 7 in 2,272?F
What is the value of the 6 in 7,632?G
What is the value of the 5 in 524?D
What is the value of the 8 in 5,686?C
What is the value of the 3 in 1,355?V
What is the value of the 5 in 5,340?E
What is the value of the 3 in 3,254?H
What is the value of the 1 in 6,134?U
What is the value of the 9 in 39,288?S
0/15 letters found
Clue 2

Addition

The ticket booth needs you to add up all VIP passes sold to see which door the suspect squeezed through.

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
8171
4223
5568
5405
3095
5405
9040
5568
8963
T
8171
4223
5568
3774
3740
T
8171
4223
5568
9430
5085
8963
5085
4340
T
8171
4223
5568
5085
9409
3774
5568
7931
T
8171
4223
9769
4340
3740
4738 + 3433 =T
1508 + 2266 =L
1709 + 3859 =E
4975 + 4455 =M
3348 + 2057 =S
1640 + 2700 =N
5385 + 3578 =C
2419 + 1321 =D
4374 + 5035 =R
1736 + 2487 =H
3086 + 4845 =F
5638 + 4131 =A
4847 + 4193 =P
2335 + 2750 =I
1689 + 1406 =U
0/15 letters found
Clue 3

Multiplication facts (1-12)

The lighting crew arranged spotlight bulbs in equal rows. Multiply the rows to unlock the next secret paper.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

B
15
14
35
35
B
15
7
7
35
20
35
7
42
63
24
35
120
14
24
9
20
81
9
35
42
35
25
9
30
20
10
42
63
5 × 3 =B
5 × 5 =P
10 × 3 =C
3 × 8 =D
10 × 1 =R
9 × 9 =H
7 × 2 =A
6 × 7 =U
1 × 9 =E
1 × 7 =O
7 × 9 =N
4 × 5 =T
5 × 7 =S
12 × 10 =M
0/14 letters found
Clue 4

Rounding

The backstage crowd meter only displays rounded numbers. Round the fan totals to unlock the camera logs.

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
1700
290
500
2300
1100
20
290
2300
430
300
200
30
2000
2300
90
290
1300
30
A
1700
1100
700
2000
A
1700
290
700
30
5000
4300
4300
200
700
1100
200
A
1700
30
130
20
Round 1,652 to the nearest hundredA
Round 17 to the nearest tenY
Round 153 to the nearest hundredE
Round 496 to the nearest hundredH
Round 291 to the nearest hundredV
Round 1,146 to the nearest hundredN
Round 4,323 to the nearest hundredP
Round 4,808 to the nearest thousandO
Round 129 to the nearest tenB
Round 1,328 to the nearest hundredT
Round 428 to the nearest tenL
Round 2,070 to the nearest thousandW
Round 745 to the nearest hundredD
Round 87 to the nearest tenG
Round 34 to the nearest tenR
Round 2,348 to the nearest hundredI
Round 286 to the nearest tenS
0/17 letters found
Clue 5

Division facts (1-12) — the last clue

The stage crew has to divide the backup cables into equal bins to search the final dressing room.

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
14 ÷ 7 = ?
6 ÷ 6 = ?
72 ÷ 8 = ?
144 ÷ 12 = ?
10 ÷ 1 = ?
56 ÷ 8 = ?
32 ÷ 8 = ?
40 ÷ 8 = ?
24 ÷ 3 = ?
36 ÷ 12 = ?
66 ÷ 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain blasted a whistle high note, then triggered sparkler rain.
2.The villain fired off a beatbox burst, then triggered sparkler rain.
3.The villain sang an echo belting line, then triggered sparkler rain.
4.The villain blasted a whistle high note, then lit up pink lasers.
5.The villain sang an echo belting line, then fired a fog cannon.
6.The villain dropped a rap cannonball verse, then lit up pink lasers.
7.The villain blasted a whistle high note, then fired a fog cannon.
8.The villain finished an operatic run, then lit up pink lasers.
9.The villain blasted a whistle high note, then switched on a strobe flash.
10.The villain finished an operatic run, then launched a confetti blast.
11.The villain fired off a beatbox burst, then fired a fog cannon.
12.The villain fired off a beatbox burst, then switched on a strobe flash.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Place value, Addition, Multiplication, Rounding, Division
Reading level
grades 3-4
Theme
The Great Concert Sabotage — set in Starlight Music Hall
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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