⚾ BaseballGrade 7Reading: grades 7-9AdditionMultiplicationRoundingWord problemsDivision
The Grand Slam Mystery
Just hours before Game Seven of the Championship Series, someone tampered with the field equipment and hid the game balls. The head groundskeeper needs your analytical skills to decode field reports, inspect bullpen clues, and unmask the stadium saboteur before play ball.
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 | Signature Pitch | Gear Brand | Batting Stance | Cap Color | Pitch Fault |
|---|---|---|---|---|---|
| Gunnar Henderson | Knuckleball | Mizuno | Lefty Stance | Gold Cap | Slippery Resin |
| Aaron Judge | Curveball | Easton | Lefty Stance | Gold Cap | Scuffed Ball |
| Shohei Ohtani | Knuckleball | Wilson | Lefty Stance | Navy Cap | Scuffed Ball |
| Gerrit Cole | Slider | Easton | Lefty Stance | Red Cap | Slippery Resin |
| Framber Valdez | Curveball | Louisville | Lefty Stance | Red Cap | Slippery Resin |
| Bryce Harper | Slider | Wilson | Lefty Stance | Red Cap | Loose Lace |
| Juan Soto | Fastball | Rawlings | Righty Stance | Gold Cap | Scuffed Ball |
| Elly De La Cruz | Knuckleball | Mizuno | Righty Stance | Gold Cap | Slippery Resin |
| Mike Trout | Fastball | Mizuno | Lefty Stance | Navy Cap | Loose Lace |
| Julio Rodriguez | Curveball | Rawlings | Lefty Stance | Red Cap | Slippery Resin |
| Adley Rutschman | Curveball | Easton | Righty Stance | Navy Cap | Slippery Resin |
| Paul Skenes | Changeup | Mizuno | Lefty Stance | Red Cap | Scuffed Ball |
| Ronald Acuna | Slider | Easton | Lefty Stance | Gold Cap | Slippery Resin |
| Logan Webb | Knuckleball | Wilson | Lefty Stance | Red Cap | Loose Lace |
| Tarik Skubal | Fastball | Louisville | Righty Stance | Red Cap | Slippery Resin |
| Trea Turner | Changeup | Mizuno | Lefty Stance | Red Cap | Slippery Resin |
| Freddie Freeman | Slider | Wilson | Lefty Stance | Red Cap | Slippery Resin |
| Bobby Witt Jr | Changeup | Rawlings | Lefty Stance | Navy Cap | Slippery Resin |
| Jose Altuve | Changeup | Wilson | Lefty Stance | Red Cap | Slippery Resin |
| Zack Wheeler | Knuckleball | Easton | Righty Stance | Gold Cap | Loose Lace |
| Dylan Cease | Slider | Louisville | Righty Stance | Navy Cap | Slippery Resin |
Clue 1
Addition
To calculate total stadium attendance across all gates, the detective tallied the spectator numbers.
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
7169
7436
6249
8717
2014
4266
8331
T
7169
6249
7675
6022
4326
2791
4326
3279
8331
T
7169
7675
8717
6249
5985
2791
2590
8717
8331
3279
8855
6249
2014
6022
4289 + 2880 =T
3399 + 2850 =E
5093 + 3762 =G
2284 + 5152 =H
1165 + 1626 =I
786 + 1804 =L
3789 + 4542 =O
1936 + 1343 =N
4172 + 1850 =R
896 + 1118 =A
3094 + 4581 =U
3024 + 1302 =D
2468 + 1798 =B
1796 + 4189 =W
5097 + 3620 =S
0/15 letters found
Clue 2
Multiplication facts (1-12)
Calculating pitching machine output required multiplying equal training sets across practice fields.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
W
6
63
96
10
7
42
42
42
24
W
6
24
110
7
9
96
27
42
96
24
10
88
7
24
96
96
144
7
49
7
10
88
144
2 × 3 =W
11 × 8 =C
2 × 12 =A
10 × 11 =L
12 × 12 =H
5 × 2 =N
7 × 7 =B
12 × 8 =T
7 × 9 =I
6 × 7 =S
9 × 3 =Y
7 × 1 =E
3 × 3 =F
0/13 letters found
Clue 3
Rounding
The radar display on the scoreboard only displays speed readings rounded to the nearest integer.
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
5000
200
3000
500
7000
230
T
5000
7000
300
370
70
3700
110
1700
1300
2000
7000
900
900
3000
130
290
130
3000
1300
7000
110
110
3000
50
130
200
70
300
3000
Round 5,153 to the nearest thousandT
Round 128 to the nearest tenR
Round 3,697 to the nearest hundredU
Round 1,318 to the nearest hundredS
Round 286 to the nearest tenY
Round 1,684 to the nearest hundredD
Round 49 to the nearest tenA
Round 2,569 to the nearest thousandE
Round 898 to the nearest hundredP
Round 372 to the nearest tenF
Round 256 to the nearest hundredM
Round 6,806 to the nearest thousandI
Round 70 to the nearest tenO
Round 1,947 to the nearest thousandL
Round 110 to the nearest tenN
Round 226 to the nearest hundredH
Round 232 to the nearest tenC
Round 467 to the nearest hundredV
0/18 letters found
Clue 4
Word problems
Analyzing bat velocity required solving multi-step equipment logs from the dugout inventory.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandofhairturnedupatthescene.
R
68
9
6
115
44
22
Equipment manager found 7 resins yesterday and 61 more today. How many resins in all?R
Equipment manager found 4 cleats yesterday and 2 more today. How many cleats in all?D
There were 150 cleats. 35 were used up. How many cleats are left?C
Equipment manager lined up 2 rows of 11 helmets. How many helmets in all?P
There were 20 helmets. 11 were used up. How many helmets are left?E
Equipment manager lined up 4 rows of 11 baseballs. How many baseballs in all?A
0/6 letters found
Clue 5
Division facts (1-12) — the last clue
Distributing official game balls equally among practice buckets required division operations.
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
18 ÷ 2 = ?
6 ÷ 2 = ?
42 ÷ 6 = ?
20 ÷ 5 = ?
120 ÷ 10 = ?
22 ÷ 2 = ?
5 ÷ 5 = ?
18 ÷ 9 = ?
54 ÷ 9 = ?
60 ÷ 6 = ?
15 ÷ 3 = ?
Step 2 — cross out the sentence with each answer
1.The villain floated a knuckleball, then swung a Louisville slugger.
2.The villain threw a fastball, then swung a Louisville slugger.
3.The villain spun a curveball, then grabbed Rawlings gear.
4.The villain slid a pitch, then used a Mizuno glove.
5.The villain threw a fastball, then swung an Easton bat.
6.The villain tossed a changeup, then grabbed Rawlings gear.
7.The villain spun a curveball, then swung a Louisville slugger.
8.The villain slid a pitch, then swung an Easton bat.
9.The villain tossed a changeup, then used a Mizuno glove.
10.The villain spun a curveball, then used a Mizuno glove.
11.The villain tossed a changeup, then swung an Easton bat.
12.The villain floated a knuckleball, then grabbed Rawlings gear.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Grand Slam Mystery
Culprit: Gerrit Cole (Slider · Easton · Lefty Stance · Red Cap · Slippery Resin)
- Clue 1 (Addition): "THE SABOTEUR DID NOT USE WILSON GEAR"4289 + 2880 = 7169 (T) · 3399 + 2850 = 6249 (E) · 5093 + 3762 = 8855 (G) · 2284 + 5152 = 7436 (H) · 1165 + 1626 = 2791 (I) · 786 + 1804 = 2590 (L) · 3789 + 4542 = 8331 (O) · 1936 + 1343 = 3279 (N) · 4172 + 1850 = 6022 (R) · 896 + 1118 = 2014 (A) · 3094 + 4581 = 7675 (U) · 3024 + 1302 = 4326 (D) · 2468 + 1798 = 4266 (B) · 1796 + 4189 = 5985 (W) · 5097 + 3620 = 8717 (S)
- Clue 2 (Multiplication facts (1-12)): "WITNESS SAW A LEFTY STANCE AT THE BENCH"2 × 3 = 6 (W) · 11 × 8 = 88 (C) · 2 × 12 = 24 (A) · 10 × 11 = 110 (L) · 12 × 12 = 144 (H) · 5 × 2 = 10 (N) · 7 × 7 = 49 (B) · 12 × 8 = 96 (T) · 7 × 9 = 63 (I) · 6 × 7 = 42 (S) · 9 × 3 = 27 (Y) · 7 × 1 = 7 (E) · 3 × 3 = 9 (F)
- Clue 3 (Rounding): "THE VICTIM FOUND SLIPPERY RESIN NEAR HOME"Round 5,153 to the nearest thousand = 5000 (T) · Round 128 to the nearest ten = 130 (R) · Round 3,697 to the nearest hundred = 3700 (U) · Round 1,318 to the nearest hundred = 1300 (S) · Round 286 to the nearest ten = 290 (Y) · Round 1,684 to the nearest hundred = 1700 (D) · Round 49 to the nearest ten = 50 (A) · Round 2,569 to the nearest thousand = 3000 (E) · Round 898 to the nearest hundred = 900 (P) · Round 372 to the nearest ten = 370 (F) · Round 256 to the nearest hundred = 300 (M) · Round 6,806 to the nearest thousand = 7000 (I) · Round 70 to the nearest ten = 70 (O) · Round 1,947 to the nearest thousand = 2000 (L) · Round 110 to the nearest ten = 110 (N) · Round 226 to the nearest hundred = 200 (H) · Round 232 to the nearest ten = 230 (C) · Round 467 to the nearest hundred = 500 (V)
- Clue 4 (Word problems): "RED CAP"Equipment manager found 7 resins yesterday and 61 more today. How many resins in all? = 68 (R) · Equipment manager found 4 cleats yesterday and 2 more today. How many cleats in all? = 6 (D) · There were 150 cleats. 35 were used up. How many cleats are left? = 115 (C) · Equipment manager lined up 2 rows of 11 helmets. How many helmets in all? = 22 (P) · There were 20 helmets. 11 were used up. How many helmets are left? = 9 (E) · Equipment manager lined up 4 rows of 11 baseballs. How many baseballs in all? = 44 (A)
- Clue 5 (Division facts (1-12)): surviving statement (box 8) → Gerrit Cole18 ÷ 2 = 9 · 6 ÷ 2 = 3 · 42 ÷ 6 = 7 · 20 ÷ 5 = 4 · 120 ÷ 10 = 12 · 22 ÷ 2 = 11 · 5 ÷ 5 = 1 · 18 ÷ 9 = 2 · 54 ÷ 9 = 6 · 60 ÷ 6 = 10 · 15 ÷ 3 = 5
About this mystery
- Grade level
- Grade 7 math
- Math topics
- Addition, Multiplication, Rounding, Word problems, Division
- Reading level
- grades 7-9
- Theme
- The Grand Slam Mystery — set in Majestic Park Stadium
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects