🏀 Mermaids, Minecraft, BasketbGrade 2Reading: grades 3-4Place valueAdditionSubtractionSkip countingMissing addends
The Coral Court Heist
The legendary Golden Net has been stolen right off the prismarine hoop! A sneaky Sea-Slammer swam away with it just before the big championship game. Use your math skills and search the arena to help us find the culprit!
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 | Dribbling Skill | Minecraft Gear | Preferred Hand | Seaweed Hair Style | Defense Weakness |
|---|---|---|---|---|---|
| Shaq | Coral Cross | Diamond Boots | Shoots left handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| Sandy | Prismarine Pass | Redstone Sneakers | Shoots right handed | Green Kelp Braids | Slippery Mud Blocks |
| Pearl | Anvil Dunk | Netherite Helmet | Shoots right handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| LeBron | Anvil Dunk | Trident of Power | Shoots right handed | Blue Seaweed Mohawk | Slippery Mud Blocks |
| Sabrina | Tsunami Shoot | Netherite Helmet | Shoots right handed | Pink Coral Afro | Slippery Mud Blocks |
| Bubbles | Anvil Dunk | Diamond Boots | Shoots left handed | Pink Coral Afro | Shiny Prismarine Lights |
| Finley | Coral Cross | Netherite Helmet | Shoots right handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| Waverly | Anvil Dunk | Golden Apple | Shoots right handed | Blue Seaweed Mohawk | Slippery Mud Blocks |
| Durant | Anvil Dunk | Redstone Sneakers | Shoots right handed | Green Kelp Braids | Shiny Prismarine Lights |
| Marina | Anvil Dunk | Netherite Helmet | Shoots right handed | Green Kelp Braids | Shiny Prismarine Lights |
| Steph | Bubble Dribble | Diamond Boots | Shoots right handed | Pink Coral Afro | Shiny Prismarine Lights |
| Luka | Coral Cross | Trident of Power | Shoots left handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| Tatum | Bubble Dribble | Netherite Helmet | Shoots left handed | Green Kelp Braids | Shiny Prismarine Lights |
| Caitlin | Tsunami Shoot | Golden Apple | Shoots right handed | Pink Coral Afro | Loud Referee Whistles |
| Steve | Tsunami Shoot | Netherite Helmet | Shoots left handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| Jordan | Anvil Dunk | Netherite Helmet | Shoots right handed | Green Kelp Braids | Slippery Mud Blocks |
| Alex | Tsunami Shoot | Trident of Power | Shoots left handed | Pink Coral Afro | Loud Referee Whistles |
| Splash | Tsunami Shoot | Golden Apple | Shoots left handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| Coral | Bubble Dribble | Diamond Boots | Shoots left handed | Blue Seaweed Mohawk | Shiny Prismarine Lights |
| Giannis | Bubble Dribble | Diamond Boots | Shoots left handed | Blue Seaweed Mohawk | Slippery Mud Blocks |
| Angel | Tsunami Shoot | Redstone Sneakers | Shoots left handed | Blue Seaweed Mohawk | Slippery Mud Blocks |
Clue 1
Place value
The scoreboard has scrambled numbers. We must look at the tens and ones place of the ticket count to decode 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
38
88
67
79
25
57
57
21
25
71
22
55
67
82
71
55
T
38
88
21
79
67
21
T
38
26
25
22
67
71
T
38
55
97
94
55
83
67
26
What number has 3 tens and 8 ones?T
What number has 2 tens and 6 ones?R
What number has 8 tens and 3 ones?W
What number has 8 tens and 2 ones?S
What number has 9 tens and 7 ones?F
What number has 2 tens and 1 one?A
What number has 6 tens and 7 ones?E
What number has 2 tens and 2 ones?D
What number has 9 tens and 4 ones?P
What number has 2 tens and 5 ones?I
What number has 7 tens and 9 ones?V
What number has 8 tens and 8 ones?H
What number has 7 tens and 1 one?N
What number has 5 tens and 7 ones?L
What number has 5 tens and 5 ones?O
0/15 letters found
Clue 2
Addition
We found discarded sponge blocks near the locker room. Let us add up the sponges in the piles to see which way the thief swam.
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
86
60
54
30
71
30
93
54
40
T
86
30
60
63
63
T
86
30
51
54
49
T
86
60
83
42
62
54
62
43 + 43 =T
30 + 41 =U
28 + 12 =C
27 + 56 =A
30 + 21 =L
22 + 20 =N
24 + 25 =F
10 + 20 =S
23 + 40 =O
66 + 27 =P
34 + 26 =H
27 + 27 =E
21 + 41 =D
0/13 letters found
Clue 3
Subtraction
The referee had a bag of sea-basketballs but some are missing. Subtracting the stolen balls will help us find where they went.
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
12
78
49
32
43
49
52
49
75
71
21
66
89
49
89
75
32
37
78
21
66
32
71
21
77
78
T
12
37
41 - 29 =T
81 - 6 =B
93 - 4 =D
64 - 12 =R
83 - 40 =W
86 - 15 =L
59 - 10 =E
109 - 32 =G
33 - 12 =I
73 - 7 =N
52 - 15 =S
44 - 12 =Y
96 - 18 =H
0/13 letters found
Clue 4
Skip counting
Prismarine blocks are lined up in groups along the escape tunnel. If we skip count the rows we can map out the suspect path.
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
90
16
6
12
20
70
27
35
28
20
16
21
16
30
W
90
16
16
27
26
12
100
30
W
90
10
21
110
80
30
70
27
21
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33D
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27S
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32L
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24U
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120H
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10F
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14K
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30M
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16O
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45B
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20E
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50A
0/16 letters found
Clue 5
Missing addends — the last clue
The team needs forty seaweed wraps for energy but they only have some. Finding how many more they need will unlock the final clue.
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 + ___ = 17
10 + ___ = 17
5 + ___ = 8
9 + ___ = 18
7 + ___ = 18
2 + ___ = 6
9 + ___ = 14
2 + ___ = 14
2 + ___ = 12
4 + ___ = 5
9 + ___ = 15
Step 2 — cross out the sentence with each answer
1.The villain smashed an anvil dunk through the hoop, then dashed away in redstone sneakers.
2.The villain crossed up the defender with coral, then ran off in diamond boots.
3.The villain shot a tsunami ball into the sky, then ate a golden apple.
4.The villain shot a tsunami ball into the sky, then ran off in diamond boots.
5.The villain did a bubble dribble past the guard, then put on a netherite helmet.
6.The villain did a bubble dribble past the guard, then brandished a trident of power.
7.The villain shot a tsunami ball into the sky, then put on a netherite helmet.
8.The villain did a bubble dribble past the guard, then ran off in diamond boots.
9.The villain smashed an anvil dunk through the hoop, then ran off in diamond boots.
10.The villain threw a prismarine pass downcourt, then dashed away in redstone sneakers.
11.The villain smashed an anvil dunk through the hoop, then ate a golden apple.
12.The villain did a bubble dribble past the guard, then ate a golden apple.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Coral Court Heist
Culprit: Shaq (Coral Cross · Diamond Boots · Shoots left handed · Blue Seaweed Mohawk · Shiny Prismarine Lights)
- Clue 1 (Place value): "THE VILLAIN DOES NOT HAVE A TRIDENT OF POWER"What number has 3 tens and 8 ones? = 38 (T) · What number has 2 tens and 6 ones? = 26 (R) · What number has 8 tens and 3 ones? = 83 (W) · What number has 8 tens and 2 ones? = 82 (S) · What number has 9 tens and 7 ones? = 97 (F) · What number has 2 tens and 1 one? = 21 (A) · What number has 6 tens and 7 ones? = 67 (E) · What number has 2 tens and 2 ones? = 22 (D) · What number has 9 tens and 4 ones? = 94 (P) · What number has 2 tens and 5 ones? = 25 (I) · What number has 7 tens and 9 ones? = 79 (V) · What number has 8 tens and 8 ones? = 88 (H) · What number has 7 tens and 1 one? = 71 (N) · What number has 5 tens and 7 ones? = 57 (L) · What number has 5 tens and 5 ones? = 55 (O)
- Clue 2 (Addition): "THE SUSPECT SHOOTS LEFT HANDED"43 + 43 = 86 (T) · 30 + 41 = 71 (U) · 28 + 12 = 40 (C) · 27 + 56 = 83 (A) · 30 + 21 = 51 (L) · 22 + 20 = 42 (N) · 24 + 25 = 49 (F) · 10 + 20 = 30 (S) · 23 + 40 = 63 (O) · 66 + 27 = 93 (P) · 34 + 26 = 60 (H) · 27 + 27 = 54 (E) · 21 + 41 = 62 (D)
- Clue 3 (Subtraction): "THEY WERE BLINDED BY SHINY LIGHTS"41 - 29 = 12 (T) · 81 - 6 = 75 (B) · 93 - 4 = 89 (D) · 64 - 12 = 52 (R) · 83 - 40 = 43 (W) · 86 - 15 = 71 (L) · 59 - 10 = 49 (E) · 109 - 32 = 77 (G) · 33 - 12 = 21 (I) · 73 - 7 = 66 (N) · 52 - 15 = 37 (S) · 44 - 12 = 32 (Y) · 96 - 18 = 78 (H)
- Clue 4 (Skip counting): "WE FOUND BLUE SEAWEED MOHAWK STRANDS"Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (D) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (S) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (U) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (H) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (F) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (K) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (M) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (O) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (B) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (E) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (A)
- Clue 5 (Missing addends): surviving statement (box 2) → Shaq9 + ___ = 17 = 8 · 10 + ___ = 17 = 7 · 5 + ___ = 8 = 3 · 9 + ___ = 18 = 9 · 7 + ___ = 18 = 11 · 2 + ___ = 6 = 4 · 9 + ___ = 14 = 5 · 2 + ___ = 14 = 12 · 2 + ___ = 12 = 10 · 4 + ___ = 5 = 1 · 9 + ___ = 15 = 6
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Coral Court Heist — set in The Coral Court Arena, an underwater stadium built of shiny prismarine blocks where mermaids and basketball stars play in the Deep Sea League.
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects