Math Mysteries
Footballs at CAL Blue campGrade 3Reading: grades 3-4SubtractionMultiplicationSkip countingRoundingDivision

The Golden Football Mystery

Welcome to the CAL Blue Football Camp! The big championship game is tomorrow, but someone has swiped the lucky Golden Football from the trophy case! Head Coach Ted is worried. Use your math skills and detective training to track down the sneaky 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
NameSignature MoveCamp AccessoryThrowing HandHair StyleSnack Weakness
Russell Wilsonrocket throwlaser visorright handed passerspiky blonde hairsticky honey orange
Josh Allenspin movelaser visorright handed passercurly black hairchilly juice box
Deebo Samuelturbo sprintgold whistleright handed passerstraight brown hairsticky honey orange
Justin Herbertbullet passgrip glovesleft handed passercurly black hairchilly juice box
Derrick Henryrocket throwcleat spikesleft handed passerspiky blonde hairchilly juice box
Stefon Diggsjump catchgold whistleright handed passerstraight brown hairsticky honey orange
Lamar Jacksonjump catchgold whistleleft handed passerstraight brown hairchilly juice box
Justin Jeffersonbullet passcleat spikesright handed passerspiky blonde hairchilly juice box
Christian McCaffreyspin movegrip glovesleft handed passerspiky blonde hairmelted ice pop
Davante Adamsspin moveneon headbandright handed passerspiky blonde hairchilly juice box
Travis Kelcespin movecleat spikesright handed passerspiky blonde hairsticky honey orange
Brock Purdyrocket throwgold whistleleft handed passerstraight brown hairmelted ice pop
Patrick Mahomesbullet passneon headbandleft handed passercurly black hairchilly juice box
Jalen Hurtsturbo sprintneon headbandright handed passerspiky blonde hairchilly juice box
Saquon Barkleybullet passneon headbandleft handed passerstraight brown hairsticky honey orange
Baker Mayfieldjump catchgrip glovesright handed passerspiky blonde hairsticky honey orange
Aaron Rodgersturbo sprintcleat spikesleft handed passerspiky blonde hairsticky honey orange
C J Stroudspin moveneon headbandright handed passerspiky blonde hairsticky honey orange
George Kittlejump catchneon headbandleft handed passerspiky blonde hairchilly juice box
Kyler Murraybullet passneon headbandright handed passercurly black hairchilly juice box
Cooper Kuppbullet passgold whistleright handed passerspiky blonde hairsticky honey orange
Clue 1

Subtraction

Coach Ted had thirty shiny training footballs in the bin this morning, but now only twenty-two are left. Let us subtract to find how many footballs the thief took so we can start 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
452
225
543
T
452
225
289
543
548
759
382
543
658
646
382
T
452
701
543
306
559
231
559
289
571
231
769
382
304
543
658
717 - 265 =T
876 - 117 =D
1077 - 308 =L
744 - 201 =E
332 - 101 =G
518 - 229 =I
741 - 95 =N
647 - 265 =O
621 - 50 =P
770 - 211 =R
1002 - 301 =W
854 - 196 =S
566 - 260 =A
288 - 63 =H
657 - 353 =V
550 - 2 =F
0/16 letters found
Clue 2

Multiplication facts (1-12)

The mystery thief dropped a playbook sheet near the equipment shed. It has a grid of helmet stickers lined up in six rows with five stickers in each row. Let us multiply to find the secret camp 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
7
5
15
9
32
9
72
77
144
60
144
32
9
R
7
28
36
90
36
60
R
7
60
90
60
60
77
7 × 1 =R
4 × 8 =T
5 × 12 =E
11 × 7 =N
3 × 5 =G
5 × 1 =I
7 × 4 =O
9 × 1 =H
12 × 12 =D
9 × 4 =W
9 × 10 =S
6 × 12 =A
0/12 letters found
Clue 3

Skip counting

We found footprints crossing the yard lines on the practice field! The suspect skipped every five yards as they ran. Let us skip count by fives to track their route to 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.

T
39
8
45
T
39
8
80
45
33
55
10
50
50
16
T
39
130
T
39
10
50
25
130
T
39
80
55
35
140
8
16
50
45
140
16
14
10
50
12
45
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45T
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16G
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100I
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45K
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160Y
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65C
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70N
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39F
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20O
0/15 letters found
Clue 4

Rounding

A motion-sensing radar gun clocked the suspect escaping past the snack bar. The digital screen is cracked and only shows the speed rounded to the nearest ten yards per minute. Let us round the display to read it.

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

S
70
900
50
9000
4000
6000
2000
500
800
600
30
80
40
50
60
20
40
S
70
500
800
5000
80
30
80
30
2000
400
30
5000
Round 70 to the nearest tenS
Round 751 to the nearest hundredN
Round 509 to the nearest hundredO
Round 370 to the nearest hundredM
Round 631 to the nearest hundredD
Round 18 to the nearest tenW
Round 878 to the nearest hundredP
Round 78 to the nearest tenH
Round 9,188 to the nearest thousandK
Round 59 to the nearest tenR
Round 4,546 to the nearest thousandT
Round 31 to the nearest tenE
Round 54 to the nearest tenI
Round 38 to the nearest tenA
Round 2,130 to the nearest thousandL
Round 4,240 to the nearest thousandY
Round 5,944 to the nearest thousandB
0/17 letters found
Clue 5

Division facts (1-12) — the last clue

We found a pile of practice jerseys left behind by the suspect. If we divide the twenty-four jerseys equally among the three cabins, we will uncover which cabin the culprit is hiding in.

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 = ?
108 ÷ 9 = ?
121 ÷ 11 = ?
25 ÷ 5 = ?
84 ÷ 12 = ?
48 ÷ 8 = ?
20 ÷ 5 = ?
63 ÷ 7 = ?
6 ÷ 6 = ?
8 ÷ 4 = ?
3 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain passes with a bullet throw, then fixes a neon headband.
2.The villain leaps for a jump catch, then fixes a neon headband.
3.The villain leaps for a jump catch, then adjusts a laser visor.
4.The villain leaps for a jump catch, then flashes a gold whistle.
5.The villain executes a rocket throw, then flashes a gold whistle.
6.The villain spins with a quick move, then shows off shiny grip gloves.
7.The villain executes a rocket throw, then stomps with cleat spikes.
8.The villain executes a rocket throw, then adjusts a laser visor.
9.The villain sprints with a turbo burst, then fixes a neon headband.
10.The villain passes with a bullet throw, then flashes a gold whistle.
11.The villain spins with a quick move, then fixes a neon headband.
12.The villain spins with a quick move, then stomps with cleat spikes.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Subtraction, Multiplication, Skip counting, Rounding, Division
Reading level
grades 3-4
Theme
The Golden Football Mystery — set in CAL Blue Summer Football Camp
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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