🏴☠️ PiratesGrade 2Reading: grades 1-2Place valueAdditionSubtractionWord problemsMissing addends
The Mystery of the Lost Pirate Treasure
Oh no! A sneaky pirate thief has taken the golden key to the main treasure chest! Captain Barnaby needs your help. Look for clues around the pirate ship to catch the thief.
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 | Pirate Skill | Magic Gear | Hook Hand | Head Gear | Big Fear |
|---|---|---|---|---|---|
| Captain Kidd | cannon blaster | ghost lantern | right handed hook | tricorn hat | hates loud music |
| Grace OMalley | map decoder | sea shell radio | left handed hook | captain wig | tickled by feathers |
| Jolly Roger | cannon blaster | magic compass | left handed hook | tricorn hat | tickled by feathers |
| Pirate Pete | spyglass eye | magic compass | right handed hook | captain wig | tickled by feathers |
| Captain Barnaby | map decoder | magic compass | left handed hook | bandana wrap | scared of frogs |
| Calico Jack | hook hand | peg leg booster | right handed hook | captain wig | scared of frogs |
| Anchor Andy | parrot whisperer | magic compass | right handed hook | tricorn hat | scared of frogs |
| Scurvy Steve | cannon blaster | sea shell radio | left handed hook | captain wig | hates loud music |
| Sailor Sally | hook hand | peg leg booster | right handed hook | captain wig | tickled by feathers |
| LArionoise | hook hand | wind sail | left handed hook | bandana wrap | tickled by feathers |
| Pegleg Paul | map decoder | peg leg booster | right handed hook | bandana wrap | scared of frogs |
| Helmsman Hank | map decoder | wind sail | right handed hook | tricorn hat | tickled by feathers |
| Anne Bonny | cannon blaster | wind sail | left handed hook | tricorn hat | hates loud music |
| Blackbeard | spyglass eye | peg leg booster | right handed hook | tricorn hat | scared of frogs |
| Stede Bonnet | spyglass eye | wind sail | right handed hook | captain wig | tickled by feathers |
| Henry Morgan | cannon blaster | ghost lantern | right handed hook | bandana wrap | hates loud music |
| Cannonball Kate | spyglass eye | sea shell radio | right handed hook | tricorn hat | hates loud music |
| Sailor Sue | map decoder | wind sail | right handed hook | captain wig | tickled by feathers |
| Cutlass Clara | spyglass eye | peg leg booster | right handed hook | tricorn hat | tickled by feathers |
| Captain Patty | spyglass eye | magic compass | left handed hook | bandana wrap | hates loud music |
| Barnacle Bill | hook hand | sea shell radio | right handed hook | captain wig | tickled by feathers |
Clue 1
Place value
We found a dusty lockbox with a code. To open it, we need to look at the tens and ones places on the gold scale. Let us find the digit values!
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
97
19
94
20
98
70
66
T
97
94
48
58
94
90
65
58
T
97
19
66
68
94
66
40
66
84
98
82
82
58
40
20
66
90
90
What number has 9 tens and 7 ones?T
What number has 4 tens and 0 ones?M
What number has 6 tens and 8 ones?V
What number has 2 tens and 0 ones?P
What number has 9 tens and 4 ones?E
What number has 9 tens and 8 ones?I
What number has 8 tens and 2 ones?C
What number has 9 tens and 0 ones?S
What number has 6 tens and 5 ones?N
What number has 7 tens and 0 ones?R
What number has 4 tens and 8 ones?D
What number has 1 ten and 9 ones?H
What number has 6 tens and 6 ones?A
What number has 8 tens and 4 ones?G
What number has 5 tens and 8 ones?O
0/15 letters found
Clue 2
Addition
Barnaby counted the pirate hats on the deck. He added more hats from the cabin. Let us add the numbers to see how many we have in total!
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
32
57
81
67
78
79
81
84
57
53
40
84
95
46
26
96
57
T
32
57
95
85
73
81
73
57
53
53
39
10 + 22 =T
11 + 28 =K
21 + 19 =W
17 + 40 =H
24 + 43 =C
42 + 39 =E
68 + 28 =G
40 + 44 =S
22 + 24 =R
31 + 42 =D
30 + 48 =L
19 + 7 =I
42 + 43 =N
58 + 37 =A
44 + 35 =U
30 + 23 =O
0/16 letters found
Clue 3
Subtraction
A heavy wave hit the ship and some water barrels fell into the sea. Let us subtract the lost barrels from our ship supply to find what is left!
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
53
52
73
45
24
36
36
29
24
74
70
29
14
T
53
24
27
40
36
73
69
82
18
38
73
29
T
53
52
73
12
14
56 - 3 =T
25 - 1 =I
75 - 6 =D
47 - 18 =A
33 - 21 =R
105 - 23 =B
56 - 16 =K
71 - 19 =H
16 - 2 =S
57 - 39 =Y
71 - 26 =V
89 - 15 =N
86 - 13 =E
50 - 23 =C
110 - 40 =W
78 - 40 =F
64 - 28 =L
0/17 letters found
Clue 4
Word problems
The ship chef wants to share the sour lime treats. We must solve a quick word puzzle to know how many limes each young pirate gets.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
C
24
37
32
27
37
33
7
40
33
G
Captain Barnaby lined up 6 rows of 4 gold coins. How many gold coins in all?C
There were 17 wooden planks. 10 were used up. How many wooden planks are left?N
Captain Barnaby lined up 4 rows of 8 sour limes. How many sour limes in all?P
Captain Barnaby found 9 coconut cups yesterday and 18 more today. How many coconut cups in all?T
Captain Barnaby lined up 8 rows of 5 coconut cups. How many coconut cups in all?W
There were 36 shiny shells. 3 were used up. How many shiny shells are left?I
There were 46 sour limes. 9 were used up. How many sour limes are left?A
0/7 letters found
Clue 5
Missing addends — the last clue
The captain needs twelve cannonballs, but some are missing from the rack. Let us find the missing number to make a full set for the battle!
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
10 + ___ = 17
5 + ___ = 11
7 + ___ = 9
2 + ___ = 10
8 + ___ = 19
3 + ___ = 12
1 + ___ = 4
7 + ___ = 8
9 + ___ = 19
3 + ___ = 7
7 + ___ = 19
Step 2 — cross out the sentence with each answer
1.The villain took the secret pirate map, then escaped in a tiny rowboat.
2.The villain took the secret pirate map, then jumped onto the big ship.
3.The villain hid the captain wooden leg, then ran down the dock.
4.The villain stole the shiny treasure chest, then jumped onto the big ship.
5.The villain stole the shiny treasure chest, then fled into the dark cave.
6.The villain grabbed the golden skull key, then jumped onto the big ship.
7.The villain stole the shiny treasure chest, then escaped in a tiny rowboat.
8.The villain grabbed the golden skull key, then escaped in a tiny rowboat.
9.The villain stole the shiny treasure chest, then ran down the dock.
10.The villain took the talking parrot, then escaped in a tiny rowboat.
11.The villain stole the shiny treasure chest, then swam out to the island.
12.The villain took the secret pirate map, then fled into the dark cave.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Lost Pirate Treasure
Culprit: Barnacle Bill (hook hand · sea shell radio · right handed hook · captain wig · tickled by feathers)
- Clue 1 (Place value): "THE PIRATE DOES NOT HAVE A MAGIC COMPASS"What number has 9 tens and 7 ones? = 97 (T) · What number has 4 tens and 0 ones? = 40 (M) · What number has 6 tens and 8 ones? = 68 (V) · What number has 2 tens and 0 ones? = 20 (P) · What number has 9 tens and 4 ones? = 94 (E) · What number has 9 tens and 8 ones? = 98 (I) · What number has 8 tens and 2 ones? = 82 (C) · What number has 9 tens and 0 ones? = 90 (S) · What number has 6 tens and 5 ones? = 65 (N) · What number has 7 tens and 0 ones? = 70 (R) · What number has 4 tens and 8 ones? = 48 (D) · What number has 1 ten and 9 ones? = 19 (H) · What number has 6 tens and 6 ones? = 66 (A) · What number has 8 tens and 4 ones? = 84 (G) · What number has 5 tens and 8 ones? = 58 (O)
- Clue 2 (Addition): "THE CLUE SHOWS A RIGHT HANDED HOOK"10 + 22 = 32 (T) · 11 + 28 = 39 (K) · 21 + 19 = 40 (W) · 17 + 40 = 57 (H) · 24 + 43 = 67 (C) · 42 + 39 = 81 (E) · 68 + 28 = 96 (G) · 40 + 44 = 84 (S) · 22 + 24 = 46 (R) · 31 + 42 = 73 (D) · 30 + 48 = 78 (L) · 19 + 7 = 26 (I) · 42 + 43 = 85 (N) · 58 + 37 = 95 (A) · 44 + 35 = 79 (U) · 30 + 23 = 53 (O)
- Clue 3 (Subtraction): "THE VILLAIN WAS TICKLED BY FEATHERS"56 - 3 = 53 (T) · 25 - 1 = 24 (I) · 75 - 6 = 69 (D) · 47 - 18 = 29 (A) · 33 - 21 = 12 (R) · 105 - 23 = 82 (B) · 56 - 16 = 40 (K) · 71 - 19 = 52 (H) · 16 - 2 = 14 (S) · 57 - 39 = 18 (Y) · 71 - 26 = 45 (V) · 89 - 15 = 74 (N) · 86 - 13 = 73 (E) · 50 - 23 = 27 (C) · 110 - 40 = 70 (W) · 78 - 40 = 38 (F) · 64 - 28 = 36 (L)
- Clue 4 (Word problems): "CAPTAIN WIG"Captain Barnaby lined up 6 rows of 4 gold coins. How many gold coins in all? = 24 (C) · There were 17 wooden planks. 10 were used up. How many wooden planks are left? = 7 (N) · Captain Barnaby lined up 4 rows of 8 sour limes. How many sour limes in all? = 32 (P) · Captain Barnaby found 9 coconut cups yesterday and 18 more today. How many coconut cups in all? = 27 (T) · Captain Barnaby lined up 8 rows of 5 coconut cups. How many coconut cups in all? = 40 (W) · There were 36 shiny shells. 3 were used up. How many shiny shells are left? = 33 (I) · There were 46 sour limes. 9 were used up. How many sour limes are left? = 37 (A)
- Clue 5 (Missing addends): surviving statement (box 5) → Barnacle Bill10 + ___ = 17 = 7 · 5 + ___ = 11 = 6 · 7 + ___ = 9 = 2 · 2 + ___ = 10 = 8 · 8 + ___ = 19 = 11 · 3 + ___ = 12 = 9 · 1 + ___ = 4 = 3 · 7 + ___ = 8 = 1 · 9 + ___ = 19 = 10 · 3 + ___ = 7 = 4 · 7 + ___ = 19 = 12
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Word problems, Missing addends
- Reading level
- grades 1-2
- Theme
- The Mystery of the Lost Pirate Treasure — set in Scurvy Cove
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects