Math Crackers
🔎 NFLGrade 3Reading: grades 3-4Place valueSkip countingWord problemsBar modelsMissing addends

The Championship Trophy Caper

Right before kickoff at the championship game, the golden trophy disappeared from the display case! A mysterious figure was seen dashing down the tunnel in full football gear.

Suspects

Possible suspects

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

21 of 21 still in play
NameGear ChoiceSideline ItemThrowing HandHairstyleDistraction
CJ StroudVisorMegaphoneRight-handedCurly HairYellow Flag
Aaron DonaldVisorAir HornLeft-handedCurly HairWater Bucket
Josh AllenHelmetT-Shirt CannonLeft-handedCurly HairWater Bucket
George KittleVisorAir HornLeft-handedCurly HairYellow Flag
Myles GarrettShoulder PadsTurf ShoesRight-handedCurly HairWater Bucket
Saquon BarkleyHelmetMegaphoneLeft-handedCurly HairWater Bucket
Joe BurrowVisorT-Shirt CannonRight-handedLong LocksWater Bucket
Cooper KuppShoulder PadsAir HornLeft-handedCurly HairLoud Whistle
Lamar JacksonShoulder PadsFoam FingerLeft-handedLong LocksLoud Whistle
Nick BosaCleatsT-Shirt CannonRight-handedBuzz CutLoud Whistle
Travis KelceVisorAir HornRight-handedCurly HairWater Bucket
Derrick HenryHelmetMegaphoneLeft-handedCurly HairLoud Whistle
Davante AdamsHelmetFoam FingerLeft-handedCurly HairLoud Whistle
TJ WattShoulder PadsAir HornLeft-handedCurly HairWater Bucket
Christian McCaffreyShoulder PadsTurf ShoesLeft-handedLong LocksWater Bucket
JaMarr ChaseShoulder PadsMegaphoneLeft-handedLong LocksWater Bucket
Patrick MahomesCleatsAir HornLeft-handedCurly HairWater Bucket
Jalen HurtsShoulder PadsAir HornRight-handedLong LocksWater Bucket
Sauce GardnerVisorTurf ShoesRight-handedBuzz CutLoud Whistle
Justin JeffersonVisorAir HornLeft-handedCurly HairLoud Whistle
Dak PrescottShoulder PadsFoam FingerRight-handedLong LocksYellow Flag
Clue 1

Place value

The digital clock in the tunnel flickers with locker numbers. You read the place value grid to clear the first 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
500
5000
300
900
100
9000
9000
40
100
700
4000
20
300
2000
700
20
T
500
7000
2000
300
40
30
300
400
40
10
5000
20
700
300
What is the value of the 5 in 1,533?T
What is the value of the 7 in 739?N
What is the value of the 4 in 437?G
What is the value of the 1 in 199?I
What is the value of the 2 in 924?O
What is the value of the 4 in 84,192?D
What is the value of the 3 in 9,379?E
What is the value of the 3 in 7,137?M
What is the value of the 5 in 5,183?H
What is the value of the 9 in 9,615?L
What is the value of the 9 in 901?V
What is the value of the 4 in 849?A
What is the value of the 1 in 616?P
What is the value of the 7 in 57,988?U
What is the value of the 2 in 72,174?S
0/15 letters found
Clue 2

Skip counting

Yard lines are painted along the field. You skip count past the ten yard markers to find where the thief stepped.

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

Word problems

The equipment manager needs help tallying sports gear. Solving these word problems reveals the next clue.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Someonescaredthevillainoffwith
W
78
23
69
7
9
47
77
C
 
K
 
7
69
.
There were 96 helmets. 18 were used up. How many helmets are left?W
There were 40 jerseys. 17 were used up. How many jerseys are left?A
There were 47 water bottles. 38 were used up. How many water bottles are left?R
There were 68 helmets. 21 were used up. How many helmets are left?B
Equipment manager found 53 footballs yesterday and 16 more today. How many footballs in all?T
Equipment manager found 5 playbooks yesterday and 2 more today. How many playbooks in all?E
Equipment manager lined up 11 rows of 7 playbooks. How many playbooks in all?U
0/7 letters found
Clue 4

Bar model word problems

The head coach drew play diagrams on the whiteboard. You compare the bar models to track down the suspect.

Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.

Astrandof
C
49
25
28
51
40
18
13
I
 
28
hairturnedupatthescene.
Equipment manager has 147 footballs, packed 3 to a bag. How many bags can be filled?
draw a bar model
Answer:→C
There were 62 footballs in all. 37 footballs were used. How many footballs are left?
draw a bar model
Answer:→U
The red team has 55 water bottles and the blue team has 15 water bottles. How many more water bottles does the red team have?
draw a bar model
Answer:→Y
Equipment manager has 9 times as many jerseys as a teammate. The teammate has 2 jerseys. How many jerseys does equipment manager have?
draw a bar model
Answer:→H
There were 19 helmets in all. 6 helmets were used. How many helmets are left?
draw a bar model
Answer:→A
Equipment manager has 102 jerseys, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→L
There were 55 playbooks in all. 27 playbooks were used. How many playbooks are left?
draw a bar model
Answer:→R
0/7 letters found
Clue 5

Missing addends — the last clue

The main scoreboard is missing some points on the board. Finding the missing addends unveils the final piece of evidence.

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
2 + ___ = 8
1 + ___ = 11
5 + ___ = 10
8 + ___ = 10
8 + ___ = 20
1 + ___ = 10
4 + ___ = 8
4 + ___ = 11
5 + ___ = 16
9 + ___ = 10
8 + ___ = 11
Step 2 — cross out the sentence with each answer
1.The villain pulled on gloves, then blared a megaphone.
2.The villain tightened shoulder pads, then blared a megaphone.
3.The villain tightened shoulder pads, then scuffed turf shoes.
4.The villain laced up cleats, then loaded a t-shirt cannon.
5.The villain adjusted a visor, then honked an air horn.
6.The villain tightened shoulder pads, then honked an air horn.
7.The villain pulled on gloves, then loaded a t-shirt cannon.
8.The villain laced up cleats, then honked an air horn.
9.The villain laced up cleats, then waved a foam finger.
10.The villain strapped on a helmet, then loaded a t-shirt cannon.
11.The villain strapped on a helmet, then waved a foam finger.
12.The villain pulled on gloves, then scuffed turf shoes.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Place value, Skip counting, Word problems, Bar models, Missing addends
Reading level
grades 3-4
Theme
The Championship Trophy Caper — set in Super Bowl Stadium Locker Room
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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