⚾ BaseballGrade 10Reading: grades 3-4AdditionMultiplicationRoundingSkip countingDivision

The Great Championship Trophy Mystery

Just minutes before the championship game, the golden trophy vanished from the dugout! Detective Rookie is on the case to check the clues and find the villain.

Suspects

Possible suspects

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

21 of 21 still in play

Name	Pitch Style	Favorite Gear	Batting Stance	Cap Color	Dugout Snack
Ronald Acuna	Slider	Neon Glove	Right Handed	Red Cap	Bubble Gum
Ken Griffey	Curveball	Gold Bat	Left Handed	Red Cap	Peanuts
Jackie Robinson	Fastball	Gold Bat	Left Handed	Blue Cap	Peanuts
Clayton Kershaw	Fastball	Neon Glove	Right Handed	Red Cap	Peanuts
Ernie Banks	Curveball	Gold Bat	Left Handed	Blue Cap	Sunflower Seeds
Julio Rodriguez	Fastball	Neon Glove	Left Handed	Red Cap	Peanuts
Willie Mays	Slider	Shiny Helmet	Left Handed	Red Cap	Sunflower Seeds
Hank Aaron	Changeup	Radar Gun	Left Handed	Red Cap	Peanuts
Jose Altuve	Curveball	Radar Gun	Left Handed	Blue Cap	Peanuts
Gerrit Cole	Knuckleball	Shiny Helmet	Left Handed	Green Cap	Sunflower Seeds
Ted Williams	Knuckleball	Shiny Helmet	Right Handed	Red Cap	Bubble Gum
Babe Ruth	Curveball	Radar Gun	Left Handed	Red Cap	Peanuts
Derek Jeter	Fastball	Shiny Helmet	Left Handed	Blue Cap	Sunflower Seeds
Freddie Freeman	Curveball	Gold Bat	Right Handed	Green Cap	Peanuts
Bryce Harper	Fastball	Gold Bat	Right Handed	Blue Cap	Peanuts
Shohei Ohtani	Fastball	Neon Glove	Left Handed	Green Cap	Sunflower Seeds
Mookie Betts	Slider	Gold Bat	Left Handed	Blue Cap	Peanuts
Roberto Clemente	Fastball	Pine Tar	Left Handed	Red Cap	Peanuts
Cal Ripken	Knuckleball	Shiny Helmet	Left Handed	Blue Cap	Peanuts
Mike Trout	Slider	Radar Gun	Left Handed	Blue Cap	Peanuts
Justin Verlander	Slider	Shiny Helmet	Left Handed	Red Cap	Bubble Gum

Clue 1

Addition

The detective tallied up all the stray baseballs left in the dugout to uncover 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.

2077

6197

6923

2604

4296

9480

6916

4296

4416

5302

4296

5302

4416

3709

2077

6109

4616

6923

8828

4296

4416

6923

2077

6916

5997

962 + 1115 =T

2257 + 1452 =O

2863 + 3134 =R

4939 + 3889 =P

1986 + 4123 =U

3140 + 3057 =H

2577 + 1839 =N

1314 + 1290 =V

2151 + 4772 =E

2124 + 2492 =S

3313 + 1989 =D

4376 + 5104 =L

1839 + 2457 =I

2589 + 4327 =A

0/14 letters found

Clue 2

Multiplication facts (1-12)

By checking rows of stadium seats arranged in equal sections, a secret code was revealed.

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

120

108

120

121

2 × 10 =T

5 × 11 =I

11 × 3 =E

5 × 8 =S

12 × 9 =W

12 × 10 =H

12 × 6 =N

11 × 11 =R

3 × 1 =L

12 × 3 =A

8 × 10 =D

1 × 4 =B

4 × 11 =F

0/13 letters found

Clue 3

Rounding

The speed pitch radar screen rounded the pitch speed to the nearest ten to display 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.

500

2900

370

900

300

900

500

2000

900

230

370

2900

170

200

500

1100

200

Round 483 to the nearest hundredP

Round 374 to the nearest tenU

Round 33 to the nearest tenE

Round 1,068 to the nearest hundredL

Round 266 to the nearest hundredS

Round 46 to the nearest tenR

Round 2,487 to the nearest thousandD

Round 167 to the nearest tenW

Round 163 to the nearest hundredY

Round 2,877 to the nearest hundredN

Round 934 to the nearest hundredT

Round 227 to the nearest tenH

Round 91 to the nearest tenA

0/13 letters found

Clue 4

Skip counting

Counting the light poles along the outfield fence by fives uncovered another piece of evidence.

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

120

110

120

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26R

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130U

Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50W

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30A

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14N

Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18S

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33M

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140D

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24I

Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55F

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30P

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100C

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32O

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110B

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20H

Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45E

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24T

Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15L

0/18 letters found

Clue 5

Division facts (1-12) — the last clue

Dividing a box of souvenir mini bats equally among the ballkids unlocked the final mystery.

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

20 ÷ 5 = ?

77 ÷ 7 = ?

30 ÷ 6 = ?

120 ÷ 10 = ?

8 ÷ 1 = ?

18 ÷ 9 = ?

5 ÷ 5 = ?

48 ÷ 8 = ?

40 ÷ 4 = ?

27 ÷ 9 = ?

14 ÷ 2 = ?

Step 2 — cross out the sentence with each answer

1.The villain threw a sneaky slider, then aimed the radar gun.

2.The villain threw a wild knuckleball, then flashed the neon glove.

3.The villain threw a sneaky slider, then used the pine tar.

4.The villain threw a slow changeup, then aimed the radar gun.

5.The villain threw a sharp curveball, then aimed the radar gun.

6.The villain threw a sharp curveball, then used the pine tar.

7.The villain threw a fast fastball, then aimed the radar gun.

8.The villain threw a sharp curveball, then adjusted the shiny helmet.

9.The villain threw a fast fastball, then flashed the neon glove.

10.The villain threw a slow changeup, then swung the gold bat.

11.The villain threw a sharp curveball, then swung the gold bat.

12.The villain threw a fast fastball, then adjusted the shiny helmet.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Great Championship Trophy Mystery

Culprit: Julio Rodriguez (Fastball · Neon Glove · Left Handed · Red Cap · Peanuts)

Clue 1 (Addition): "THE VILLAIN DID NOT USE PINE TAR"
962 + 1115 = 2077 (T) · 2257 + 1452 = 3709 (O) · 2863 + 3134 = 5997 (R) · 4939 + 3889 = 8828 (P) · 1986 + 4123 = 6109 (U) · 3140 + 3057 = 6197 (H) · 2577 + 1839 = 4416 (N) · 1314 + 1290 = 2604 (V) · 2151 + 4772 = 6923 (E) · 2124 + 2492 = 4616 (S) · 3313 + 1989 = 5302 (D) · 4376 + 5104 = 9480 (L) · 1839 + 2457 = 4296 (I) · 2589 + 4327 = 6916 (A)
Clue 2 (Multiplication facts (1-12)): "THE WITNESS SAW A LEFT HANDED BATTER"
2 × 10 = 20 (T) · 5 × 11 = 55 (I) · 11 × 3 = 33 (E) · 5 × 8 = 40 (S) · 12 × 9 = 108 (W) · 12 × 10 = 120 (H) · 12 × 6 = 72 (N) · 11 × 11 = 121 (R) · 3 × 1 = 3 (L) · 12 × 3 = 36 (A) · 8 × 10 = 80 (D) · 1 × 4 = 4 (B) · 4 × 11 = 44 (F)
Clue 3 (Rounding): "PEANUTS TRAPPED THE RUNAWAY PLAYER"
Round 483 to the nearest hundred = 500 (P) · Round 374 to the nearest ten = 370 (U) · Round 33 to the nearest ten = 30 (E) · Round 1,068 to the nearest hundred = 1100 (L) · Round 266 to the nearest hundred = 300 (S) · Round 46 to the nearest ten = 50 (R) · Round 2,487 to the nearest thousand = 2000 (D) · Round 167 to the nearest ten = 170 (W) · Round 163 to the nearest hundred = 200 (Y) · Round 2,877 to the nearest hundred = 2900 (N) · Round 934 to the nearest hundred = 900 (T) · Round 227 to the nearest ten = 230 (H) · Round 91 to the nearest ten = 90 (A)
Clue 4 (Skip counting): "RED CAP FABRIC WAS FOUND AT HOME PLATE"
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (R) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (U) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (W) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30 = 24 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18 = 12 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (M) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (D) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (I) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (F) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (P) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (C) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (B) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (T) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (L)
Clue 5 (Division facts (1-12)): surviving statement (box 9) → Julio Rodriguez
20 ÷ 5 = 4 · 77 ÷ 7 = 11 · 30 ÷ 6 = 5 · 120 ÷ 10 = 12 · 8 ÷ 1 = 8 · 18 ÷ 9 = 2 · 5 ÷ 5 = 1 · 48 ÷ 8 = 6 · 40 ÷ 4 = 10 · 27 ÷ 9 = 3 · 14 ÷ 2 = 7

About this mystery

Grade level: Grade 10 math
Math topics: Addition, Multiplication, Rounding, Skip counting, Division
Reading level: grades 3-4
Theme: The Great Championship Trophy Mystery — set in Diamond Park Stadium
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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