🏴☠️ PiratesGrade 1Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Case of the Missing Golden Pineapple
The Golden Pineapple is gone! It was taken from the ship kitchen. The Ship Cook needs your help to find the pirate thief before they sail away!
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 | crew job | sword grip | pirate look | funny fear |
|---|---|---|---|---|---|
| Redbeard Roy | clever map reading | parrot training | right handed grip | black braids | sneeze at pepper |
| Charles Vane | fearsome swordplay | sea shanty singing | right handed grip | black braids | scared of frogs |
| Billy Bones | fearsome swordplay | sea shanty singing | right handed grip | red bandana | scared of frogs |
| Long John Silver | fearsome swordplay | parrot training | left handed grip | black braids | sneeze at pepper |
| Captain Hook | wild rope swinging | knot tying | right handed grip | black braids | sneeze at pepper |
| Bartholomew Roberts | expert cannon aim | sea shanty singing | right handed grip | grey ponytail | sneeze at pepper |
| Sharktooth Shawn | clever map reading | knot tying | right handed grip | red bandana | scared of frogs |
| Woodes Rogers | wild rope swinging | spyglass spotting | right handed grip | grey ponytail | tickled by feathers |
| Francis Drake | clever map reading | parrot training | left handed grip | grey ponytail | sneeze at pepper |
| Sally Sails | clever map reading | gold sniffing | left handed grip | red bandana | scared of frogs |
| Edward England | master ship steering | spyglass spotting | left handed grip | red bandana | tickled by feathers |
| Mary Read | master ship steering | parrot training | left handed grip | red bandana | scared of frogs |
| Calico Jack | expert cannon aim | knot tying | left handed grip | grey ponytail | sneeze at pepper |
| Jolly Roger | master ship steering | spyglass spotting | right handed grip | grey ponytail | sneeze at pepper |
| Grace O Malley | wild rope swinging | spyglass spotting | right handed grip | red bandana | scared of frogs |
| Anne Bonny | wild rope swinging | gold sniffing | right handed grip | grey ponytail | sneeze at pepper |
| Blackbeard | expert cannon aim | knot tying | right handed grip | red bandana | sneeze at pepper |
| Henry Morgan | clever map reading | knot tying | left handed grip | black braids | scared of frogs |
| Pegleg Pete | expert cannon aim | gold sniffing | right handed grip | grey ponytail | sneeze at pepper |
| Scurvy Sam | clever map reading | gold sniffing | right handed grip | grey ponytail | sneeze at pepper |
| Salty Sue | wild rope swinging | knot tying | right handed grip | grey ponytail | tickled by feathers |
Clue 1
Addition
We count the shiny coins left on the floor. First we find some, then we find more. Let us add them to get the 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
8
14
5
13
6
3
3
16
6
7
4
9
5
20
7
9
T
8
20
6
7
15
20
5
16
20
14
16
7
T
8
6
5
20
2 + 6 =T
8 + 5 =V
6 + 14 =S
7 + 9 =A
2 + 5 =N
4 + 5 =O
2 + 3 =E
4 + 10 =H
2 + 1 =L
4 + 2 =I
10 + 5 =G
3 + 1 =D
0/12 letters found
Clue 2
Subtraction
A box of ship biscuits is open. Some biscuits were taken by the thief. Subtract the eaten ones to see 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
14
2
17
19
13
11
10
6
6
17
7
T
14
2
17
4
1
9
11
7
1
10
T
14
2
T
14
2
17
11
10
13
2
T
14
2
15
8
7
18 - 4 =T
20 - 1 =Y
17 - 6 =R
11 - 7 =S
13 - 6 =D
14 - 1 =G
17 - 9 =N
4 - 3 =W
19 - 2 =E
19 - 4 =A
7 - 1 =P
6 - 4 =H
11 - 1 =I
18 - 9 =O
0/14 letters found
Clue 3
Skip counting
The thief left footprints on the sandy beach. They go by twos! Let us count the prints to track 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
50
6
27
39
90
110
27
27
70
27
8
40
33
100
8
40
39
110
27
15
42
T
50
6
27
21
27
21
21
27
42
21
33
T
50
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60T
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12D
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80Z
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27P
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45Y
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120U
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33E
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39O
0/14 letters found
Clue 4
Place value
We found bags of pirate jewels. There are groups of ten bags and some single bags. Let us find the total value!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
S
93
27
24
94
95
23
94
60
19
27
48
60
45
49
84
31
86
49
84
23
30
49
S
93
27
48
45
86
94
30
86
94
94
31
What number has 9 tens and 3 ones?S
What number has 2 tens and 3 ones?R
What number has 1 ten and 9 ones?P
What number has 4 tens and 8 ones?N
What number has 9 tens and 5 ones?G
What number has 4 tens and 5 ones?T
What number has 3 tens and 0 ones?W
What number has 9 tens and 4 ones?E
What number has 6 tens and 0 ones?Y
What number has 4 tens and 9 ones?A
What number has 8 tens and 4 ones?I
What number has 8 tens and 6 ones?H
What number has 3 tens and 1 one?L
What number has 2 tens and 7 ones?O
What number has 2 tens and 4 ones?M
0/15 letters found
Clue 5
Missing addends — the last clue
The pirate needs ten keys to open the map box. They only have six. How many more keys do they need to find?
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 + ___ = 16
1 + ___ = 6
3 + ___ = 13
6 + ___ = 13
7 + ___ = 15
4 + ___ = 15
5 + ___ = 8
5 + ___ = 17
4 + ___ = 6
2 + ___ = 6
10 + ___ = 11
Step 2 — cross out the sentence with each answer
1.The villain fires the big cannon, then sings a funny sea shanty.
2.The villain fires the big cannon, then feeds a green parrot.
3.The villain swings on the long rope, then ties a very tight knot.
4.The villain wins the sword fight, then sings a funny sea shanty.
5.The villain swings on the long rope, then digs up the shiny gold.
6.The villain fires the big cannon, then digs up the shiny gold.
7.The villain swings on the long rope, then sings a funny sea shanty.
8.The villain swings on the long rope, then feeds a green parrot.
9.The villain decodes the secret map, then digs up the shiny gold.
10.The villain steers the pirate ship, then looks through the spyglass.
11.The villain decodes the secret map, then ties a very tight knot.
12.The villain wins the sword fight, then looks through the spyglass.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Golden Pineapple
Culprit: Scurvy Sam (clever map reading · gold sniffing · right handed grip · grey ponytail · sneeze at pepper)
- Clue 1 (Addition): "THE VILLAIN DOES NOT SING SEA SHANTIES"2 + 6 = 8 (T) · 8 + 5 = 13 (V) · 6 + 14 = 20 (S) · 7 + 9 = 16 (A) · 2 + 5 = 7 (N) · 4 + 5 = 9 (O) · 2 + 3 = 5 (E) · 4 + 10 = 14 (H) · 2 + 1 = 3 (L) · 4 + 2 = 6 (I) · 10 + 5 = 15 (G) · 3 + 1 = 4 (D)
- Clue 2 (Subtraction): "THEY GRIPPED THE SWORD WITH THE RIGHT HAND"18 - 4 = 14 (T) · 20 - 1 = 19 (Y) · 17 - 6 = 11 (R) · 11 - 7 = 4 (S) · 13 - 6 = 7 (D) · 14 - 1 = 13 (G) · 17 - 9 = 8 (N) · 4 - 3 = 1 (W) · 19 - 2 = 17 (E) · 19 - 4 = 15 (A) · 7 - 1 = 6 (P) · 6 - 4 = 2 (H) · 11 - 1 = 10 (I) · 18 - 9 = 9 (O)
- Clue 3 (Skip counting): "THEY SNEEZED LOUDLY NEAR THE PEPPER POT"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (D) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (Z) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (L) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (R) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (P) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (Y) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (U) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (E) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (O)
- Clue 4 (Place value): "SOME GREY PONYTAIL HAIR WAS ON THE WHEEL"What number has 9 tens and 3 ones? = 93 (S) · What number has 2 tens and 3 ones? = 23 (R) · What number has 1 ten and 9 ones? = 19 (P) · What number has 4 tens and 8 ones? = 48 (N) · What number has 9 tens and 5 ones? = 95 (G) · What number has 4 tens and 5 ones? = 45 (T) · What number has 3 tens and 0 ones? = 30 (W) · What number has 9 tens and 4 ones? = 94 (E) · What number has 6 tens and 0 ones? = 60 (Y) · What number has 4 tens and 9 ones? = 49 (A) · What number has 8 tens and 4 ones? = 84 (I) · What number has 8 tens and 6 ones? = 86 (H) · What number has 3 tens and 1 one? = 31 (L) · What number has 2 tens and 7 ones? = 27 (O) · What number has 2 tens and 4 ones? = 24 (M)
- Clue 5 (Missing addends): surviving statement (box 9) → Scurvy Sam10 + ___ = 16 = 6 · 1 + ___ = 6 = 5 · 3 + ___ = 13 = 10 · 6 + ___ = 13 = 7 · 7 + ___ = 15 = 8 · 4 + ___ = 15 = 11 · 5 + ___ = 8 = 3 · 5 + ___ = 17 = 12 · 4 + ___ = 6 = 2 · 2 + ___ = 6 = 4 · 10 + ___ = 11 = 1
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 Case of the Missing Golden Pineapple — set in Scurvy Cove
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects