Math Crackers
🔎 SportsGrade 3Reading: grades 3-4AdditionSubtractionMultiplicationRoundingDivision

The Case of the Missing Championship Trophy

The giant Championship Trophy has vanished from the Grand Sports Arena right before the big game! The trophy keeper needs your help to examine the locker rooms, check the gear, and find out which athlete took it.

Suspects

Possible suspects

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

21 of 21 still in play
NameSignature MoveLucky GearStanceHairstyleDistraction
Tom BradyBicycle KickPlatinum BatRight HandedCurly BuzzcutLoud Whistle
Simone BilesBicycle KickGrip GlovesRight HandedCurly BuzzcutBright Flashlight
Candace ParkerPower ServePlatinum BatRight HandedSpiky CropLoud Whistle
Maya MoorePower ServeLaser GogglesRight HandedSpiky CropSqueaky Shoes
Venus WilliamsBicycle KickPlatinum BatRight HandedSleek PonytailLoud Whistle
Luka DoncicPower ServeLaser GogglesRight HandedSleek PonytailLoud Whistle
Serena WilliamsBicycle KickGolden CleatsRight HandedCurly BuzzcutBright Flashlight
Shohei OhtaniCurveball StrikeGrip GlovesLeft HandedSpiky CropBright Flashlight
Katie LedeckyFast Break DunkGolden CleatsLeft HandedCurly BuzzcutBright Flashlight
LeBron JamesFast Break DunkPlatinum BatLeft HandedSleek PonytailSqueaky Shoes
Cristiano RonaldoPower ServeGrip GlovesRight HandedSpiky CropBright Flashlight
Patrick MahomesBicycle KickNeon WhistleRight HandedCurly BuzzcutBright Flashlight
Steph CurryBicycle KickGrip GlovesRight HandedSleek PonytailBright Flashlight
Megan RapinoePower ServeLaser GogglesRight HandedSpiky CropBright Flashlight
Alex MorganCurveball StrikePlatinum BatLeft HandedSpiky CropSqueaky Shoes
Wayne GretzkyGoalie SaveGolden CleatsRight HandedSpiky CropSqueaky Shoes
Shaquille O NealGoalie SavePlatinum BatRight HandedCurly BuzzcutSqueaky Shoes
Giannis AntetokounmpoCurveball StrikeGrip GlovesRight HandedCurly BuzzcutBright Flashlight
Naomi OsakaPower ServeLaser GogglesLeft HandedSpiky CropBright Flashlight
Chloe KimPower ServeGrip GlovesLeft HandedCurly BuzzcutSqueaky Shoes
Marta VieiraBicycle KickPlatinum BatRight HandedCurly BuzzcutBright Flashlight
Clue 1

Addition

Coach Cruz adds up all the practice points from both morning and afternoon training sessions.

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
307
870
839
708
674
541
541
764
674
954
756
669
839
759
954
669
T
307
418
759
839
764
954
839
669
954
740
870
674
759
T
307
541
839
187 + 120 =T
446 + 424 =H
339 + 335 =I
309 + 455 =A
299 + 540 =E
476 + 283 =S
456 + 252 =V
478 + 278 =D
660 + 294 =N
135 + 283 =U
248 + 421 =O
442 + 298 =W
315 + 226 =L
0/13 letters found
Clue 2

Subtraction

The referee subtracts the penalty points from the scoreboard total to find the true count.

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
854
674
505
217
230
767
224
177
T
854
693
428
505
827
177
217
827
428
230
T
854
T
854
505
224
428
230
767
674
T
854
674
177
224
638
505
638
1093 - 239 =T
898 - 205 =U
964 - 137 =W
437 - 207 =I
344 - 167 =A
504 - 76 =R
729 - 224 =E
1156 - 389 =G
1029 - 355 =H
292 - 68 =N
915 - 277 =D
572 - 355 =S
0/12 letters found
Clue 3

Multiplication facts (1-12)

The equipment manager calculates total gear by multiplying the rows of locker bins.

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
108
30
54
18
55
80
48
8
28
A
108
22
80
28
18
55
80
48
22
81
A
108
54
21
42
48
80
21
14
18
28
28
A
108
18
120
9 × 12 =A
2 × 7 =V
11 × 2 =S
9 × 9 =C
7 × 3 =E
4 × 2 =F
11 × 5 =G
9 × 2 =I
7 × 6 =D
4 × 7 =L
4 × 12 =T
12 × 10 =N
8 × 10 =H
9 × 6 =R
6 × 5 =B
0/15 letters found
Clue 4

Rounding

The stadium digital display rounds off the precise runner times to the nearest full second.

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
70
7000
9000
800
200
300
90
9000
600
600
7000
9000
900
80
A
70
60
800
3000
A
70
5000
2000
700
9000
500
40
700
500
900
80
20
900
800
700
8000
80
300
Round 73 to the nearest tenA
Round 2,838 to the nearest thousandW
Round 7,250 to the nearest thousandC
Round 4,944 to the nearest thousandS
Round 18 to the nearest tenE
Round 2,221 to the nearest thousandF
Round 37 to the nearest tenD
Round 331 to the nearest hundredY
Round 584 to the nearest hundredZ
Round 8,934 to the nearest thousandU
Round 765 to the nearest hundredR
Round 533 to the nearest hundredN
Round 7,768 to the nearest thousandP
Round 890 to the nearest hundredT
Round 666 to the nearest hundredO
Round 63 to the nearest tenI
Round 76 to the nearest tenH
Round 247 to the nearest hundredL
Round 87 to the nearest tenB
0/19 letters found
Clue 5

Division facts (1-12) — the last clue

The team captain splits the energy drinks evenly among all the players on the bench.

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
22 ÷ 11 = ?
64 ÷ 8 = ?
77 ÷ 7 = ?
36 ÷ 6 = ?
35 ÷ 5 = ?
11 ÷ 11 = ?
33 ÷ 11 = ?
40 ÷ 10 = ?
120 ÷ 12 = ?
72 ÷ 6 = ?
45 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain nailed a bicycle kick, then adjusted the laser goggles.
2.The villain nailed a bicycle kick, then laced up the golden cleats.
3.The villain blasted a power serve, then laced up the golden cleats.
4.The villain made a goalie save, then tightened the grip gloves.
5.The villain scored with a fast break dunk, then adjusted the laser goggles.
6.The villain made a goalie save, then adjusted the laser goggles.
7.The villain threw a curveball strike, then swung the platinum bat.
8.The villain nailed a bicycle kick, then swung the platinum bat.
9.The villain threw a curveball strike, then tightened the grip gloves.
10.The villain blasted a power serve, then swung the platinum bat.
11.The villain nailed a bicycle kick, then tightened the grip gloves.
12.The villain threw a curveball strike, then blew the neon whistle.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Addition, Subtraction, Multiplication, Rounding, Division
Reading level
grades 3-4
Theme
The Case of the Missing Championship Trophy — set in Grand Sports Arena
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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