🏴☠️ PiratesGrade 3Reading: grades 1-2RoundingAdditionSubtractionMultiplicationDivision
The Mystery of the Missing Map
The mayor's favorite golden key is missing! The thief left salty boot prints all over the ship deck. We need to find the right pirate and get the key back 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 | pirate gear | handedness | bandana color | greatest fear |
|---|---|---|---|---|---|
| Patchy Pete | cannon blast | parrot friend | left handed | green bandana | allergic to limes |
| Sailor Sally | cannon blast | iron pegleg | left handed | green bandana | hates sea monsters |
| Blackbeard | helm steering | golden hook | left handed | blue bandana | allergic to limes |
| Ben Gunn | sword swing | magic compass | right handed | blue bandana | scared of sharks |
| Captain Silver | rope swinging | parrot friend | right handed | blue bandana | allergic to limes |
| Pegleg Pete | helm steering | iron pegleg | left handed | green bandana | allergic to limes |
| Calico Jack | helm steering | iron pegleg | left handed | blue bandana | hates sea monsters |
| Red Beard | helm steering | magic compass | left handed | blue bandana | allergic to limes |
| Captain Drake | helm steering | iron pegleg | left handed | blue bandana | allergic to limes |
| Jolly Roger | rope swinging | parrot friend | left handed | red bandana | hates sea monsters |
| Israel Hands | cannon blast | magic compass | left handed | red bandana | allergic to limes |
| Captain Hook | helm steering | magic compass | left handed | blue bandana | scared of sharks |
| Scurvy Sue | helm steering | silver spyglass | right handed | green bandana | allergic to limes |
| Barnaby Blue | rope swinging | silver spyglass | left handed | blue bandana | allergic to limes |
| Billy Bones | sword swing | magic compass | right handed | green bandana | hates sea monsters |
| Captain Kidd | map reading | golden hook | left handed | blue bandana | scared of sharks |
| Henry Morgan | rope swinging | iron pegleg | right handed | blue bandana | scared of sharks |
| Anne Bonny | helm steering | magic compass | right handed | green bandana | scared of sharks |
| Mary Read | cannon blast | magic compass | left handed | blue bandana | allergic to limes |
| Long John | helm steering | golden hook | right handed | red bandana | hates sea monsters |
| Salty Sam | cannon blast | parrot friend | left handed | red bandana | scared of sharks |
Clue 1
Rounding
The rusty scale on the dock is very old. It only shows weights rounded to the nearest ten pounds. We weighed the clue to read it.
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
500
300
40
5000
2000
8000
8000
800
80
8000
40
700
900
8000
T
500
300
90
600
40
90
900
400
2000
8000
900
60
40
200
70
40
200
Round 517 to the nearest hundredT
Round 5,397 to the nearest thousandC
Round 587 to the nearest hundredV
Round 289 to the nearest hundredH
Round 42 to the nearest tenE
Round 87 to the nearest tenA
Round 66 to the nearest tenL
Round 668 to the nearest hundredS
Round 927 to the nearest hundredN
Round 7,863 to the nearest thousandO
Round 77 to the nearest tenD
Round 799 to the nearest hundredK
Round 387 to the nearest hundredI
Round 163 to the nearest hundredG
Round 57 to the nearest tenP
Round 2,134 to the nearest thousandR
0/16 letters found
Clue 2
Addition
The ship mates counted the crates on deck. We added the piles together to find the next 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
786
891
745
413
515
721
366
826
754
721
366
698
698
745
745
246
710
698
774
246
363
T
786
891
745
774
826
481
745
731
T
786
891
366
246
754
266 + 520 =T
493 + 333 =R
264 + 457 =W
115 + 131 =N
125 + 288 =C
453 + 278 =F
438 + 453 =H
194 + 321 =O
378 + 367 =E
197 + 169 =A
340 + 434 =I
226 + 528 =D
220 + 143 =G
312 + 386 =S
197 + 284 =L
386 + 324 =U
0/16 letters found
Clue 3
Subtraction
A hungry seagull took some biscuits from our box. We subtracted the stolen food to find the clue underneath.
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
732
106
783
309
652
352
783
783
421
783
497
576
106
783
352
T
732
106
783
309
652
791
783
288
288
783
497
578
288
199
791
783
1109 - 377 =T
618 - 266 =N
596 - 308 =L
861 - 364 =D
438 - 17 =Z
756 - 178 =A
1006 - 215 =M
667 - 358 =Y
754 - 102 =S
1151 - 368 =E
303 - 104 =I
724 - 148 =W
289 - 183 =H
0/13 letters found
Clue 4
Multiplication facts (1-12)
The pirates stand in neat rows on the deck. We multiplied the rows to count them and unlock the cabin door.
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
81
7
12
20
88
66
44
90
30
88
7
90
63
66
44
63
66
63
21
9
8
7
63
44
54
9 × 9 =W
2 × 4 =R
9 × 10 =B
11 × 8 =U
9 × 6 =S
7 × 3 =T
10 × 3 =L
9 × 7 =A
5 × 4 =O
4 × 11 =D
7 × 1 =E
11 × 6 =N
3 × 3 =H
12 × 1 =F
0/14 letters found
Clue 5
Division facts (1-12) — the last clue
The crew shared the magic gold coins equally. We divided the loot into piles to find 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 ÷ 3 = ?
7 ÷ 7 = ?
84 ÷ 12 = ?
80 ÷ 10 = ?
40 ÷ 4 = ?
96 ÷ 8 = ?
63 ÷ 7 = ?
15 ÷ 3 = ?
2 ÷ 1 = ?
28 ÷ 7 = ?
42 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain steers the giant ship wheel, then waves a shiny golden hook.
2.The villain steers the giant ship wheel, then looks through a silver spyglass.
3.The villain steers the giant ship wheel, then checks a glowing magic compass.
4.The villain studies the old treasure map, then looks through a silver spyglass.
5.The villain studies the old treasure map, then taps loudly with an iron pegleg.
6.The villain swings a heavy wooden sword, then waves a shiny golden hook.
7.The villain fires the big loud cannon, then checks a glowing magic compass.
8.The villain fires the big loud cannon, then taps loudly with an iron pegleg.
9.The villain swings on a long dirty rope, then checks a glowing magic compass.
10.The villain steers the giant ship wheel, then feeds cracker to a parrot friend.
11.The villain swings on a long dirty rope, then looks through a silver spyglass.
12.The villain swings on a long dirty rope, then taps loudly with an iron pegleg.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Missing Map
Culprit: Barnaby Blue (rope swinging · silver spyglass · left handed · blue bandana · allergic to limes)
- Clue 1 (Rounding): "THE CROOK DOES NOT HAVE AN IRON PEGLEG"Round 517 to the nearest hundred = 500 (T) · Round 5,397 to the nearest thousand = 5000 (C) · Round 587 to the nearest hundred = 600 (V) · Round 289 to the nearest hundred = 300 (H) · Round 42 to the nearest ten = 40 (E) · Round 87 to the nearest ten = 90 (A) · Round 66 to the nearest ten = 70 (L) · Round 668 to the nearest hundred = 700 (S) · Round 927 to the nearest hundred = 900 (N) · Round 7,863 to the nearest thousand = 8000 (O) · Round 77 to the nearest ten = 80 (D) · Round 799 to the nearest hundred = 800 (K) · Round 387 to the nearest hundred = 400 (I) · Round 163 to the nearest hundred = 200 (G) · Round 57 to the nearest ten = 60 (P) · Round 2,134 to the nearest thousand = 2000 (R)
- Clue 2 (Addition): "THE COWARD WAS SEEN USING THEIR LEFT HAND"266 + 520 = 786 (T) · 493 + 333 = 826 (R) · 264 + 457 = 721 (W) · 115 + 131 = 246 (N) · 125 + 288 = 413 (C) · 453 + 278 = 731 (F) · 438 + 453 = 891 (H) · 194 + 321 = 515 (O) · 378 + 367 = 745 (E) · 197 + 169 = 366 (A) · 340 + 434 = 774 (I) · 226 + 528 = 754 (D) · 220 + 143 = 363 (G) · 312 + 386 = 698 (S) · 197 + 284 = 481 (L) · 386 + 324 = 710 (U)
- Clue 3 (Subtraction): "THEY SNEEZED WHEN THEY SMELLED A LIME"1109 - 377 = 732 (T) · 618 - 266 = 352 (N) · 596 - 308 = 288 (L) · 861 - 364 = 497 (D) · 438 - 17 = 421 (Z) · 756 - 178 = 578 (A) · 1006 - 215 = 791 (M) · 667 - 358 = 309 (Y) · 754 - 102 = 652 (S) · 1151 - 368 = 783 (E) · 303 - 104 = 199 (I) · 724 - 148 = 576 (W) · 289 - 183 = 106 (H)
- Clue 4 (Multiplication facts (1-12)): "WE FOUND BLUE BANDANA THREADS"9 × 9 = 81 (W) · 2 × 4 = 8 (R) · 9 × 10 = 90 (B) · 11 × 8 = 88 (U) · 9 × 6 = 54 (S) · 7 × 3 = 21 (T) · 10 × 3 = 30 (L) · 9 × 7 = 63 (A) · 5 × 4 = 20 (O) · 4 × 11 = 44 (D) · 7 × 1 = 7 (E) · 11 × 6 = 66 (N) · 3 × 3 = 9 (H) · 12 × 1 = 12 (F)
- Clue 5 (Division facts (1-12)): surviving statement (box 11) → Barnaby Blue9 ÷ 3 = 3 · 7 ÷ 7 = 1 · 84 ÷ 12 = 7 · 80 ÷ 10 = 8 · 40 ÷ 4 = 10 · 96 ÷ 8 = 12 · 63 ÷ 7 = 9 · 15 ÷ 3 = 5 · 2 ÷ 1 = 2 · 28 ÷ 7 = 4 · 42 ÷ 7 = 6
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 1-2
- Theme
- The Mystery of the Missing Map — set in the salty docks of Shipwreck Cove
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects