Math Crackers
⚽ Football, BasketballGrade 3Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Great All-Star Trophy Swap

Right before the big championship game, someone sneaked into the trophy room and replaced the shiny gold trophy with a giant inflatable basketball! Use the clues around the arena to find the sneaky culprit before tip-off.

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 GearWristband SideHeadband ColorFavorite Snack
Brady PocketHail Mary PassStriped SocksLeft WristbandGreen HeadbandGranola Bar
Travis CatchFast BreakGold WhistleRight WristbandRed HeadbandEnergy Drink
Mahomes JetHail Mary PassStriped SocksLeft WristbandGreen HeadbandOrange Slices
Saquon JumpSlam DunkFinger TapeLeft WristbandBlue HeadbandOrange Slices
LeBron SlamSpin MoveStriped SocksLeft WristbandRed HeadbandGranola Bar
Jimmy HustleSlam DunkGold WhistleLeft WristbandRed HeadbandOrange Slices
Shaq PowerHail Mary PassFinger TapeLeft WristbandRed HeadbandOrange Slices
Kobe GlideField Goal KickPadded GlovesLeft WristbandRed HeadbandOrange Slices
Lamar RushSlam DunkGold WhistleLeft WristbandRed HeadbandEnergy Drink
Aja CenterHail Mary PassHigh Top SneakersLeft WristbandRed HeadbandOrange Slices
Candace DashSpin MoveFinger TapeLeft WristbandBlue HeadbandGranola Bar
Caitlin LongHail Mary PassFinger TapeRight WristbandGreen HeadbandEnergy Drink
Kelce BlockField Goal KickFinger TapeRight WristbandRed HeadbandOrange Slices
Steph SwishSlam DunkFinger TapeRight WristbandGreen HeadbandGranola Bar
Tyreek SpeedHail Mary PassHigh Top SneakersLeft WristbandGreen HeadbandEnergy Drink
Deion CornerField Goal KickStriped SocksLeft WristbandRed HeadbandOrange Slices
Sabrina DaggerField Goal KickHigh Top SneakersRight WristbandRed HeadbandOrange Slices
Luka MagicFast BreakPadded GlovesLeft WristbandBlue HeadbandGranola Bar
Patrick PassSpin MovePadded GlovesLeft WristbandBlue HeadbandGranola Bar
Derrick RoseHail Mary PassFinger TapeRight WristbandBlue HeadbandGranola Bar
Giannis RimSpin MoveFinger TapeRight WristbandBlue HeadbandGranola Bar
Clue 1

Rounding

The arena security clock only shows rounded time. Estimate the time to read the first note!

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
4000
30
400
3000
5000
400
9000
7000
500
2000
400
3000
5000
2000
T
4000
600
400
9000
20
80
9000
500
500
400
500
300
200
2000
700
400
3000
Round 3,713 to the nearest thousandT
Round 657 to the nearest hundredV
Round 78 to the nearest tenP
Round 2,366 to the nearest thousandO
Round 448 to the nearest hundredE
Round 9,042 to the nearest thousandA
Round 22 to the nearest tenR
Round 29 to the nearest tenH
Round 5,452 to the nearest thousandN
Round 505 to the nearest hundredD
Round 599 to the nearest hundredW
Round 221 to the nearest hundredL
Round 260 to the nearest hundredG
Round 3,340 to the nearest thousandS
Round 7,358 to the nearest thousandK
0/15 letters found
Clue 2

Addition

Add up the total points on the locker room whiteboard to unlock the gear crate.

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

W
260
801
976
829
570
262
262
262
678
W
260
678
347
570
848
976
W
260
683
801
262
976
980
678
829
892
706
829
976
863
570
678
683
422
164 + 96 =W
321 + 480 =I
527 + 321 =F
314 + 578 =D
171 + 91 =S
137 + 285 =M
608 + 368 =T
365 + 205 =E
472 + 391 =H
335 + 371 =O
204 + 479 =R
172 + 175 =L
418 + 562 =B
337 + 492 =N
432 + 246 =A
0/15 letters found
Clue 3

Subtraction

Subtract the missing jerseys from the team laundry pile to find a 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.

F
526
230
820
129
334
230
743
809
129
617
336
281
209
864
706
336
281
334
743
230
620
620
336
334
129
336
809
743
566
632
336
566
743
230
620
632
793
853 - 327 =F
680 - 63 =G
875 - 82 =Y
1075 - 369 =C
276 - 67 =L
582 - 301 =S
787 - 221 =T
1220 - 400 =U
658 - 26 =H
727 - 393 =D
985 - 242 =R
624 - 4 =P
347 - 117 =O
1039 - 175 =I
810 - 1 =A
504 - 375 =N
532 - 196 =E
0/17 letters found
Clue 4

Multiplication facts (1-12)

Count the stadium seats in equal rows to figure out the lock code.

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

R
55
35
66
15
35
18
66
48
18
64
66
20
15
R
55
35
18
66
77
45
35
R
55
35
84
64
20
15
35
48
35
64
90
15
11 × 5 =R
11 × 6 =D
10 × 9 =C
4 × 5 =T
7 × 11 =S
4 × 12 =B
5 × 3 =H
5 × 9 =W
12 × 7 =O
9 × 2 =A
7 × 5 =E
8 × 8 =N
0/12 letters found
Clue 5

Division facts (1-12) — the last clue

Share the water bottles evenly among the starting lineup to reveal the final clue.

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
15 ÷ 3 = ?
12 ÷ 3 = ?
3 ÷ 1 = ?
49 ÷ 7 = ?
144 ÷ 12 = ?
6 ÷ 1 = ?
56 ÷ 7 = ?
10 ÷ 10 = ?
4 ÷ 2 = ?
77 ÷ 7 = ?
20 ÷ 2 = ?
Step 2 — cross out the sentence with each answer
1.The villain dribbled through security, then adjusted their striped socks.
2.The villain dribbled through security, then wrapped up finger tape.
3.The villain leaped over the benches, then laced up their high tops.
4.The villain tackled the locker door, then adjusted their striped socks.
5.The villain leaped over the benches, then wrapped up finger tape.
6.The villain leaped over the benches, then pulled off padded gloves.
7.The villain passed past the guards, then wrapped up finger tape.
8.The villain leaped over the benches, then blew a gold whistle.
9.The villain dribbled through security, then blew a gold whistle.
10.The villain passed past the guards, then pulled off padded gloves.
11.The villain sprinted past the court, then pulled off padded gloves.
12.The villain sprinted past the court, then adjusted their striped socks.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Rounding, Addition, Subtraction, Multiplication, Division
Reading level
grades 3-4
Theme
The Great All-Star Trophy Swap — set in The Championship Sports Dome
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

More free printable math cases

3rd grade worksheetsAddition worksheetsSubtraction worksheetsMultiplication worksheetsDivision worksheetsRounding worksheetsAll worksheets →
The Golden Whistle Mystery
Grade 3
The Case of the Missing Championship Trophy
Grade 3
The Case of the Missing Championship Trophy
Grade 3
The Great Ice Floe Heist
Grade 3