⚾ BaseballGrade 1Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Mascot Mask Mystery
Someone took the lucky golden baseball before the big game at Grand Slam Park. Help Coach Miller solve math clues to catch the stadium sneak.
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 | Skill | Trophy | Throwing Hand | Cap Color | Snack |
|---|---|---|---|---|---|
| Vladimir Guerrero | Catching | Diamond Trophy | Left Handed | Black Cap | Bubble Gum |
| Ronald Acuna | Pitching | Gold Glove | Left Handed | Blue Cap | Bubble Gum |
| Bo Bichette | Outfielding | Gold Glove | Right Handed | Red Cap | Sunflower Seeds |
| Bryce Harper | Batting | Gold Glove | Right Handed | Black Cap | Sports Drink |
| Rafael Devers | Pitching | Championship Ring | Right Handed | Black Cap | Bubble Gum |
| Freddie Freeman | Pitching | Championship Ring | Right Handed | Red Cap | Bubble Gum |
| Bobby Witt | Batting | Silver Slugger | Right Handed | Black Cap | Sports Drink |
| Mookie Betts | Base Running | Silver Slugger | Left Handed | Black Cap | Sports Drink |
| Corbin Carroll | Batting | Diamond Trophy | Right Handed | Black Cap | Sports Drink |
| Julio Rodriguez | Outfielding | Diamond Trophy | Left Handed | Blue Cap | Sports Drink |
| Aaron Judge | Catching | Diamond Trophy | Left Handed | Blue Cap | Sunflower Seeds |
| Gerrit Cole | Pitching | MVP Medal | Right Handed | Black Cap | Bubble Gum |
| Gunnar Henderson | Batting | MVP Medal | Right Handed | Black Cap | Bubble Gum |
| Adley Rutschman | Outfielding | MVP Medal | Left Handed | Blue Cap | Bubble Gum |
| Trea Turner | Outfielding | Championship Ring | Right Handed | Black Cap | Sunflower Seeds |
| Shohei Ohtani | Outfielding | Gold Glove | Right Handed | Red Cap | Sports Drink |
| Juan Soto | Pitching | MVP Medal | Right Handed | Black Cap | Sports Drink |
| Mike Trout | Pitching | Gold Glove | Right Handed | Red Cap | Sports Drink |
| Austin Riley | Base Running | MVP Medal | Left Handed | Black Cap | Sports Drink |
| Jose Altuve | Base Running | Championship Ring | Right Handed | Black Cap | Sports Drink |
| Shane Bieber | Pitching | Diamond Trophy | Left Handed | Blue Cap | Bubble Gum |
Clue 1
Addition
Coach Miller adds baseballs from two buckets to unlock clue one.
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
20
18
14
11
15
9
9
13
15
7
8
4
14
12
7
4
T
20
18
13
11
14
13
5
18
13
19
3
15
4
7
12
18
15
3
10
15
7
16
7 + 13 =T
3 + 4 =N
1 + 3 =O
1 + 2 =P
8 + 5 =A
7 + 11 =H
8 + 11 =M
4 + 10 =E
5 + 3 =D
6 + 6 =S
7 + 8 =I
3 + 6 =L
9 + 7 =G
2 + 3 =C
6 + 4 =R
7 + 4 =V
0/16 letters found
Clue 2
Subtraction
Subtract the missing bats on the rack to reveal clue two.
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
13
17
3
5
8
5
15
3
18
T
13
11
5
9
11
10
17
T
13
17
2
12
7
3
7
19 - 6 =T
6 - 3 =E
15 - 3 =N
20 - 2 =C
18 - 9 =R
17 - 2 =P
10 - 5 =S
10 - 3 =D
19 - 2 =H
10 - 8 =A
10 - 2 =U
16 - 6 =G
16 - 5 =I
0/13 letters found
Clue 3
Skip counting
Skip count the seats by tens to open clue three.
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
14
39
100
8
65
100
26
10
70
55
90
26
70
100
30
90
27
110
100
8
8
55
27
30
T
14
8
35
30
130
65
10
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18T
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75N
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150I
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12S
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65P
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90Y
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14K
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130V
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40R
0/15 letters found
Clue 4
Place value
Look at the tens and ones on the scoreboard for clue 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.
T
61
89
91
13
48
71
71
21
48
40
52
21
63
52
91
21
44
48
40
93
21
90
71
21
53
19
53
21
16
What number has 6 tens and 1 one?T
What number has 5 tens and 2 ones?W
What number has 5 tens and 3 ones?C
What number has 9 tens and 1 one?E
What number has 4 tens and 0 ones?N
What number has 4 tens and 4 ones?R
What number has 1 ten and 6 ones?P
What number has 1 ten and 3 ones?V
What number has 7 tens and 1 one?L
What number has 2 tens and 1 one?A
What number has 6 tens and 3 ones?S
What number has 8 tens and 9 ones?H
What number has 4 tens and 8 ones?I
What number has 1 ten and 9 ones?K
What number has 9 tens and 0 ones?B
What number has 9 tens and 3 ones?G
0/16 letters found
Clue 5
Missing addends — the last clue
Find the missing number of helmets to finish clue five.
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
9 + ___ = 14
6 + ___ = 12
6 + ___ = 18
4 + ___ = 15
8 + ___ = 9
5 + ___ = 12
7 + ___ = 10
9 + ___ = 11
10 + ___ = 20
7 + ___ = 11
7 + ___ = 16
Step 2 — cross out the sentence with each answer
1.The villain dived in the outfield, then flashed a gold glove.
2.The villain hit a huge home run, then wore an mvp medal.
3.The villain dived in the outfield, then lifted a diamond trophy.
4.The villain pitched a fast strike, then flashed a gold glove.
5.The villain hit a huge home run, then showed a silver slugger.
6.The villain pitched a fast strike, then wore an mvp medal.
7.The villain dived in the outfield, then showed a silver slugger.
8.The villain hit a huge home run, then lifted a diamond trophy.
9.The villain pitched a fast strike, then polished a championship ring.
10.The villain pitched a fast strike, then showed a silver slugger.
11.The villain stole second base, then polished a championship ring.
12.The villain hit a huge home run, then flashed a gold glove.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mascot Mask Mystery
Culprit: Corbin Carroll (Batting · Diamond Trophy · Right Handed · Black Cap · Sports Drink)
- Clue 1 (Addition): "THE VILLAIN DOES NOT HAVE A CHAMPIONSHIP RING"7 + 13 = 20 (T) · 3 + 4 = 7 (N) · 1 + 3 = 4 (O) · 1 + 2 = 3 (P) · 8 + 5 = 13 (A) · 7 + 11 = 18 (H) · 8 + 11 = 19 (M) · 4 + 10 = 14 (E) · 5 + 3 = 8 (D) · 6 + 6 = 12 (S) · 7 + 8 = 15 (I) · 3 + 6 = 9 (L) · 9 + 7 = 16 (G) · 2 + 3 = 5 (C) · 6 + 4 = 10 (R) · 7 + 4 = 11 (V)
- Clue 2 (Subtraction): "THE SUSPECT IS RIGHT HANDED"19 - 6 = 13 (T) · 6 - 3 = 3 (E) · 15 - 3 = 12 (N) · 20 - 2 = 18 (C) · 18 - 9 = 9 (R) · 17 - 2 = 15 (P) · 10 - 5 = 5 (S) · 10 - 3 = 7 (D) · 19 - 2 = 17 (H) · 10 - 8 = 2 (A) · 10 - 2 = 8 (U) · 16 - 6 = 10 (G) · 16 - 5 = 11 (I)
- Clue 3 (Skip counting): "THE SNEAKY PLAYER LOVES SPORTS DRINK"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (T) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (N) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (S) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (P) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (L) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (Y) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (K) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (V) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40 = 30 (R)
- Clue 4 (Place value): "THE VILLAIN WAS WEARING A BLACK CAP"What number has 6 tens and 1 one? = 61 (T) · What number has 5 tens and 2 ones? = 52 (W) · What number has 5 tens and 3 ones? = 53 (C) · What number has 9 tens and 1 one? = 91 (E) · What number has 4 tens and 0 ones? = 40 (N) · What number has 4 tens and 4 ones? = 44 (R) · What number has 1 ten and 6 ones? = 16 (P) · What number has 1 ten and 3 ones? = 13 (V) · What number has 7 tens and 1 one? = 71 (L) · What number has 2 tens and 1 one? = 21 (A) · What number has 6 tens and 3 ones? = 63 (S) · What number has 8 tens and 9 ones? = 89 (H) · What number has 4 tens and 8 ones? = 48 (I) · What number has 1 ten and 9 ones? = 19 (K) · What number has 9 tens and 0 ones? = 90 (B) · What number has 9 tens and 3 ones? = 93 (G)
- Clue 5 (Missing addends): surviving statement (box 8) → Corbin Carroll9 + ___ = 14 = 5 · 6 + ___ = 12 = 6 · 6 + ___ = 18 = 12 · 4 + ___ = 15 = 11 · 8 + ___ = 9 = 1 · 5 + ___ = 12 = 7 · 7 + ___ = 10 = 3 · 9 + ___ = 11 = 2 · 10 + ___ = 20 = 10 · 7 + ___ = 11 = 4 · 7 + ___ = 16 = 9
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Subtraction, Skip counting, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Mascot Mask Mystery — set in Grand Slam Park
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects