Math Mysteries
All of the footballs are misGrade 4Reading: grades 3-4MultiplicationSkip countingSubtractionPlace valueDivision

The Great Blue Camp Football Mystery

Welcome to CAL Blue Camp! The sun is shining, the turf is warm, and the championship game is today. But wait! Every single football has vanished from the equipment shed! Coach needs your help to find the culprit and save the big game.

Suspects

Possible suspects

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

21 of 21 still in play
NameMain Football DrillLucky Camp GearThrowing HandCamp HairstyleWeakness Snack
Marshawn Lynchpower tacklegold helmetright handed throwercropped buzzcrunchy granola bar
George Kittlesticky catchwrist coachright handed throwerlong ponytailsalty sunflower seeds
DeSean Jacksonlazer throwgold helmetleft handed throwercropped buzzsalty sunflower seeds
Micah Parsonssonic sprintsticky glovesright handed throwercropped buzzcrunchy granola bar
Lamar Jacksonspin moveblue visorleft handed throwerlong ponytailcrunchy granola bar
Joe Burrowpower tacklegold helmetleft handed throwercropped buzzcrunchy granola bar
Derrick Henrypower tackleblue visorright handed throwercurly lockssalty sunflower seeds
Aaron Rodgerssonic sprintblue visorleft handed throwercurly lockscrunchy granola bar
Stefon Diggssonic sprintsticky glovesright handed throwercropped buzzsalty sunflower seeds
Justin Jeffersonsonic sprintsticky glovesleft handed throwercropped buzzsalty sunflower seeds
Cameron Jordansonic sprintsticky glovesleft handed throwercurly lockslemon lime gatorade
Saquon Barkleylazer throwgold helmetright handed throwercropped buzzlemon lime gatorade
Patrick Mahomespower tacklewrist coachright handed throwerlong ponytaillemon lime gatorade
Davante Adamsspin movecleat spikesright handed throwercropped buzzcrunchy granola bar
Dak Prescottsticky catchgold helmetright handed throwerlong ponytailcrunchy granola bar
Christian McCaffreylazer throwwrist coachleft handed throwercropped buzzcrunchy granola bar
Jalen Hurtsspin movewrist coachright handed throwercurly lockssalty sunflower seeds
Keenan Allenspin movewrist coachleft handed throwercurly lockscrunchy granola bar
Nick Bosasonic sprintwrist coachleft handed throwercurly lockscrunchy granola bar
Travis Kelcesonic sprintcleat spikesright handed throwercropped buzzcrunchy granola bar
Jared Goffsticky catchblue visorright handed throwercropped buzzcrunchy granola bar
Clue 1

Multiplication facts (1-12)

To find the first clue, we counted five boxes of practice jerseys with six in each box.

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
22
9
2
28
72
8
8
84
72
110
132
30
2
21
110
30
T
22
70
2
84
120
21
T
22
72
35
14
27
25
8
30
28
2
21
11 × 2 =T
3 × 7 =S
10 × 7 =W
9 × 1 =H
10 × 3 =O
10 × 11 =N
9 × 8 =I
11 × 12 =D
4 × 7 =V
7 × 12 =A
5 × 5 =G
2 × 1 =E
2 × 7 =K
10 × 12 =R
4 × 2 =L
5 × 7 =C
3 × 9 =Y
0/17 letters found
Clue 2

Skip counting

The next clue was hidden by the yard lines, counting up by fives all the way to fifty.

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
60
15
26
140
40
110
15
T
60
15
130
22
120
26
120
T
60
15
140
70
35
26
140
33
130
65
T
60
130
140
40
110
15
T
60
39
65
15
130
120
70
35
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70T
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130G
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45Y
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160R
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75S
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80O
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45W
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39C
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26N
0/14 letters found
Clue 3

Subtraction

We checked the equipment locker and subtracted the nine popped balls from our total of thirty.

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
8516
7756
4427
3771
3180
2687
2310
2322
7191
7608
4427
6176
5700
3180
2687
2310
4751
3180
7756
3771
4329
2687
5700
4751
5274
7608
5700
7191
5700
2687
10137 - 1621 =T
5508 - 2821 =R
8333 - 725 =L
7941 - 4761 =C
9436 - 1680 =H
2384 - 74 =U
8110 - 4339 =Y
9390 - 3214 =D
6007 - 1580 =E
8199 - 3870 =G
10146 - 2955 =B
7470 - 2196 =O
6641 - 4319 =M
10588 - 4888 =A
7307 - 2556 =N
0/15 letters found
Clue 4

Place value (tens & ones)

A clue was taped to the locker where the digit in the tens place was a four.

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
22
33
86
54
78
18
35
78
54
32
32
48
85
61
49
34
34
86
A
22
29
78
54
69
18
86
48
61
A
22
77
What number has 2 tens and 2 ones?A
What number has 7 tens and 8 ones?R
What number has 1 ten and 8 ones?T
What number has 3 tens and 2 ones?P
What number has 5 tens and 4 ones?O
What number has 8 tens and 5 ones?D
What number has 4 tens and 9 ones?U
What number has 3 tens and 3 ones?S
What number has 3 tens and 5 ones?C
What number has 8 tens and 6 ones?H
What number has 4 tens and 8 ones?E
What number has 6 tens and 9 ones?N
What number has 2 tens and 9 ones?I
What number has 6 tens and 1 one?B
What number has 7 tens and 7 ones?G
What number has 3 tens and 4 ones?Z
0/16 letters found
Clue 5

Division facts (1-12) — the last clue

We cracked the final clue by dividing twenty-four energy bars equally among six campers.

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
32 ÷ 8 = ?
72 ÷ 9 = ?
110 ÷ 10 = ?
9 ÷ 1 = ?
16 ÷ 8 = ?
20 ÷ 2 = ?
12 ÷ 2 = ?
12 ÷ 4 = ?
15 ÷ 3 = ?
12 ÷ 1 = ?
10 ÷ 10 = ?
Step 2 — cross out the sentence with each answer
1.The villain fakes left with a quick spin, then adjusts their bright blue visor.
2.The villain fakes left with a quick spin, then checks their plays on the wrist coach.
3.The villain sprints down the sideline, then adjusts their bright blue visor.
4.The villain fakes left with a quick spin, then digs in with sharp cleat spikes.
5.The villain throws a perfect lazer pass, then adjusts their bright blue visor.
6.The villain throws a perfect lazer pass, then digs in with sharp cleat spikes.
7.The villain charges with a heavy tackle, then flashes their shiny gold helmet.
8.The villain sprints down the sideline, then digs in with sharp cleat spikes.
9.The villain charges with a heavy tackle, then digs in with sharp cleat spikes.
10.The villain throws a perfect lazer pass, then checks their plays on the wrist coach.
11.The villain snatches the ball midair, then adjusts their bright blue visor.
12.The villain snatches the ball midair, then checks their plays on the wrist coach.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

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

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