Math Crackers
⚾ BaseballGrade 7Reading: grades 7-9AdditionMultiplicationRoundingWord problemsDivision

The World Series Stadium Sabotage

Just hours before Game 7 of the World Series at Grand Diamond Stadium, someone tampered with the stadium lights and swapped the game balls with duds. The lead umpire needs your sharp analytical skills to decode clues left behind, analyze suspect profiles, and unmask the culprit before the first pitch.

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 PitchModified GearThrowing HandHelmet ColorGame Flaw
Freddie Freeman100mph FastballPine Tar SleeveLeft Handed ThrowerBright Red HelmetLoud Air Horns
Ken Griffey Jr100mph FastballHeavy Rosin BagRight Handed ThrowerEmerald Green HelmetWet Infield Dirt
Derek JeterSinking ChangeupHeavy Rosin BagLeft Handed ThrowerBright Red HelmetLoud Air Horns
Ted WilliamsSinking ChangeupSteal Stop WatchLeft Handed ThrowerEmerald Green HelmetWet Infield Dirt
Clayton Kershaw100mph FastballPine Tar SleeveLeft Handed ThrowerEmerald Green HelmetLoud Air Horns
Babe RuthSinking ChangeupSteal Stop WatchRight Handed ThrowerEmerald Green HelmetWet Infield Dirt
Mookie BettsWicked CurveballTitanium BatRight Handed ThrowerNavy Blue HelmetWet Infield Dirt
Justin Verlander100mph FastballRadar BlinderRight Handed ThrowerEmerald Green HelmetWet Infield Dirt
Nolan RyanSinking ChangeupPine Tar SleeveRight Handed ThrowerEmerald Green HelmetLoud Air Horns
Max ScherzerRazor SliderRadar BlinderLeft Handed ThrowerEmerald Green HelmetWet Infield Dirt
Roberto ClementeWicked CurveballSteal Stop WatchRight Handed ThrowerEmerald Green HelmetWet Infield Dirt
Cal Ripken JrRazor SliderTitanium BatLeft Handed ThrowerEmerald Green HelmetBright Radar Guns
Gerrit Cole100mph FastballHeavy Rosin BagRight Handed ThrowerEmerald Green HelmetBright Radar Guns
Sandy KoufaxRazor SliderPine Tar SleeveLeft Handed ThrowerNavy Blue HelmetBright Radar Guns
Lou GehrigWicked CurveballRadar BlinderLeft Handed ThrowerBright Red HelmetWet Infield Dirt
Hank AaronDancing KnuckleballRadar BlinderLeft Handed ThrowerBright Red HelmetBright Radar Guns
Jackie RobinsonRazor SliderSteal Stop WatchRight Handed ThrowerBright Red HelmetWet Infield Dirt
Willie Mays100mph FastballSteal Stop WatchRight Handed ThrowerEmerald Green HelmetWet Infield Dirt
Pedro MartinezWicked CurveballSteal Stop WatchLeft Handed ThrowerNavy Blue HelmetLoud Air Horns
Bryce Harper100mph FastballSteal Stop WatchLeft Handed ThrowerEmerald Green HelmetLoud Air Horns
Mike TroutRazor SliderTitanium BatRight Handed ThrowerEmerald Green HelmetLoud Air Horns
Clue 1

Addition

To secure the dugout, you tally all the extra bat racks found behind home plate.

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
9414
6906
4848
5173
2616
4663
7228
T
9414
4848
5807
7467
9377
5565
9377
3912
7228
T
9414
5807
5173
4848
2616
6906
4848
2616
6531
3980
7467
7228
5173
5565
3912
4663
2616
2723
3058 + 6356 =T
3176 + 1997 =S
2338 + 3469 =U
978 + 1638 =A
2499 + 4032 =V
2130 + 1782 =N
2065 + 2598 =B
1716 + 2264 =Y
2787 + 2778 =I
3328 + 3578 =H
2869 + 1979 =E
887 + 1836 =G
3299 + 4168 =R
2903 + 4325 =O
3666 + 5711 =D
0/15 letters found
Clue 2

Multiplication facts (1-12)

Inspecting the grandstands, you calculate total seating capacity across identical stadium rows.

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
64
22
80
81
14
132
7
4
S
64
28
90
7
7
22
14
S
64
6
66
6
14
132
20
100
7
100
6
1
48
22
48
7
100
14
90
66
22
14
8 × 8 =S
8 × 10 =C
9 × 9 =U
1 × 4 =Y
3 × 2 =A
10 × 2 =G
12 × 11 =I
7 × 4 =P
7 × 2 =R
11 × 6 =W
1 × 7 =T
11 × 2 =E
1 × 1 =N
9 × 10 =O
10 × 10 =H
8 × 6 =D
0/16 letters found
Clue 3

Rounding

The electronic scoreboard radar display rounds speed readouts to the nearest whole number.

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
370
700
170
90
90
170
2000
4300
90
9000
1300
3700
290
S
370
900
290
5000
1700
2000
290
S
370
S
370
2300
1300
9000
900
290
200
170
2000
2300
170
290
700
500
500
170
9000
200
Round 368 to the nearest tenS
Round 4,259 to the nearest hundredG
Round 2,392 to the nearest thousandN
Round 709 to the nearest hundredL
Round 171 to the nearest tenI
Round 5,265 to the nearest thousandA
Round 1,341 to the nearest hundredO
Round 294 to the nearest tenE
Round 1,682 to the nearest hundredK
Round 9,208 to the nearest thousandR
Round 3,693 to the nearest hundredV
Round 2,308 to the nearest hundredF
Round 491 to the nearest hundredD
Round 214 to the nearest hundredT
Round 900 to the nearest hundredW
Round 89 to the nearest tenP
0/16 letters found
Clue 4

Word problems

Analyzing inventory logs for stolen baseball gear requires solving several game day equations.

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

Astrandof
E
105
117
E
105
111
103
120
118
57
111
E
105
E
105
N
 
H
 
E
105
120
117
E
105
T
 
hairturnedupatthescene.
There were 130 pitching charts. 25 were used up. How many pitching charts are left?E
Equipment manager found 110 championship rings yesterday and 8 more today. How many championship rings in all?D
There were 117 batting helmets. 14 were used up. How many batting helmets are left?A
Equipment manager found 90 batting helmets yesterday and 27 more today. How many batting helmets in all?M
Equipment manager lined up 10 rows of 12 pitching charts. How many pitching charts in all?L
Equipment manager found 27 pitching charts yesterday and 84 more today. How many pitching charts in all?R
There were 79 batting helmets. 22 were used up. How many batting helmets are left?G
0/7 letters found
Clue 5

Division facts (1-12) — the last clue

To check storage boxes, you divide the leftover pitching caps equally between bullpen lockers.

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
30 ÷ 10 = ?
18 ÷ 3 = ?
4 ÷ 4 = ?
8 ÷ 1 = ?
16 ÷ 8 = ?
27 ÷ 3 = ?
60 ÷ 6 = ?
84 ÷ 12 = ?
48 ÷ 12 = ?
40 ÷ 8 = ?
121 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain dropped a sudden curveball into the catcher mitt, then clicked a steal stop watch near the bullpen gate.
2.The villain hurled a fast beam toward home plate, then slammed a pine tar sleeve onto the dugout railing.
3.The villain snapped a steep breaking ball into the dirt, then clicked a steal stop watch near the bullpen gate.
4.The villain snapped a steep breaking ball into the dirt, then slammed a pine tar sleeve onto the dugout railing.
5.The villain dropped a sudden curveball into the catcher mitt, then swung a titanium bat to smash the scorekeeper box.
6.The villain hurled a fast beam toward home plate, then clicked a steal stop watch near the bullpen gate.
7.The villain hurled a fast beam toward home plate, then tossed a heavy rosin bag across the mound.
8.The villain spun a sharp slider past the batter, then slammed a pine tar sleeve onto the dugout railing.
9.The villain snapped a steep breaking ball into the dirt, then flashed a radar blinder at the press box.
10.The villain floated an erratic knuckler over the fence, then slammed a pine tar sleeve onto the dugout railing.
11.The villain dropped a sudden curveball into the catcher mitt, then slammed a pine tar sleeve onto the dugout railing.
12.The villain hurled a fast beam toward home plate, then flashed a radar blinder at the press box.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 7 math
Math topics
Addition, Multiplication, Rounding, Word problems, Division
Reading level
grades 7-9
Theme
The World Series Stadium Sabotage — set in Grand Diamond Stadium
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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