Grade 3Reading: grades 3-4AdditionWord problemsSubtractionRoundingDivision
The Lost Temple Mystery
Someone scrambled the compasses and took the golden idol from Whispering Jungle Camp! Detective, solve the math clues to identify the rogue explorer.
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 | Gear Tool | Companion Animal | Watch Wrist | Hat Style | Snack Habit |
|---|---|---|---|---|---|
| Explorer Sam | Torch | Lizard | Left Wrist | Safari Cap | Trail Mix |
| Adventurer Ella | Torch | Falcon | Left Wrist | Safari Cap | Banana Chips |
| Surveyor Nora | Torch | Monkey | Left Wrist | Safari Cap | Trail Mix |
| Guide Tara | Machete | Monkey | Left Wrist | Bandana | Banana Chips |
| Captain Ben | Binoculars | Lizard | Left Wrist | Safari Cap | Banana Chips |
| Tracker Jack | Torch | Parrot | Right Wrist | Safari Cap | Dried Mango |
| Cartographer Ian | Binoculars | Parrot | Left Wrist | Safari Cap | Banana Chips |
| Professor Leo | Binoculars | Monkey | Right Wrist | Safari Cap | Dried Mango |
| Rover Luke | Grappling Hook | Monkey | Left Wrist | Pith Helmet | Banana Chips |
| Chief Toby | Grappling Hook | Monkey | Right Wrist | Safari Cap | Trail Mix |
| Navigator Eli | Compass | Monkey | Left Wrist | Safari Cap | Dried Mango |
| Scout Hazel | Compass | Otter | Right Wrist | Safari Cap | Dried Mango |
| Agent Zack | Machete | Lizard | Left Wrist | Pith Helmet | Trail Mix |
| Trekker Mason | Compass | Falcon | Left Wrist | Safari Cap | Banana Chips |
| Ranger Chloe | Grappling Hook | Parrot | Right Wrist | Safari Cap | Dried Mango |
| Ranger Owen | Grappling Hook | Lizard | Right Wrist | Safari Cap | Trail Mix |
| Botanist Lily | Compass | Falcon | Right Wrist | Bandana | Dried Mango |
| Maya Vance | Binoculars | Otter | Left Wrist | Safari Cap | Trail Mix |
| Pathfinder Zoe | Binoculars | Falcon | Right Wrist | Safari Cap | Banana Chips |
| Scout Penny | Machete | Falcon | Left Wrist | Bandana | Banana Chips |
| Trekker Max | Grappling Hook | Parrot | Left Wrist | Safari Cap | Banana Chips |
Clue 1
Addition
Camp Director Miller checks the gear crates to see what supplies the expedition needs.
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
431
352
513
487
964
499
499
299
964
800
312
601
513
952
800
601
T
431
T
431
528
299
487
513
499
841
964
T
431
352
299
499
964
470
299
528
312
182 + 249 =T
265 + 222 =V
342 + 157 =L
204 + 108 =D
185 + 416 =O
224 + 304 =R
471 + 329 =N
283 + 230 =E
600 + 352 =S
415 + 549 =I
196 + 103 =A
219 + 251 =Z
247 + 105 =H
325 + 516 =W
0/14 letters found
Clue 2
Word problems
Tracker Jack counts up all the supply bundles brought by the porters today.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
L
33
53
76
59
62
10
54
S
59
Ranger Chloe lined up 3 rows of 11 tent peg. How many tent peg in all?L
Ranger Chloe found 6 canteen yesterday and 53 more today. How many canteen in all?T
Ranger Chloe found 3 tent peg yesterday and 50 more today. How many tent peg in all?E
Ranger Chloe found 64 compass yesterday and 12 more today. How many compass in all?F
Ranger Chloe found 48 rope coil yesterday and 14 more today. How many rope coil in all?W
Ranger Chloe lined up 5 rows of 2 compass. How many compass in all?R
Ranger Chloe lined up 6 rows of 9 canteen. How many canteen in all?I
0/7 letters found
Clue 3
Subtraction
Ranger Chloe checks how many canteen drops are left after crossing the river.
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
426
572
791
257
155
220
333
630
630
791
638
791
344
630
791
630
101
797
T
426
572
869
220
344
220
344
220
566
572
797
121
868
585 - 159 =T
802 - 5 =I
319 - 99 =A
1146 - 277 =B
762 - 132 =D
315 - 160 =U
650 - 78 =H
340 - 239 =W
603 - 346 =G
1067 - 276 =E
440 - 107 =R
596 - 252 =N
968 - 100 =S
444 - 323 =P
903 - 337 =C
920 - 282 =F
0/16 letters found
Clue 4
Rounding
The jungle radar scanner shows rounded distance measurements to nearby camps.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
A
4000
8000
A
4000
900
A
4000
700
9000
6000
A
4000
500
500
9000
70
600
A
4000
8000
400
200
900
30
A
4000
30
30
20
200
8000
6000
200
70
200
Round 3,581 to the nearest thousandA
Round 431 to the nearest hundredL
Round 28 to the nearest tenT
Round 7,739 to the nearest thousandS
Round 18 to the nearest tenH
Round 69 to the nearest tenN
Round 520 to the nearest hundredP
Round 744 to the nearest hundredR
Round 559 to the nearest hundredW
Round 220 to the nearest hundredE
Round 5,762 to the nearest thousandC
Round 935 to the nearest hundredF
Round 8,641 to the nearest thousandI
0/13 letters found
Clue 5
Division facts (1-12) — the last clue
Professor Leo divides the trail maps evenly among the exploration teams.
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
12 ÷ 12 = ?
12 ÷ 1 = ?
72 ÷ 9 = ?
24 ÷ 4 = ?
6 ÷ 2 = ?
70 ÷ 7 = ?
108 ÷ 12 = ?
5 ÷ 1 = ?
14 ÷ 2 = ?
18 ÷ 9 = ?
11 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain scouted the canopy, then whistled to a parrot.
2.The villain scouted the canopy, then called a soaring falcon.
3.The villain lit the dark cavern, then calmed a friendly lizard.
4.The villain navigated through thorns, then called a soaring falcon.
5.The villain navigated through thorns, then signaled a trusty monkey.
6.The villain climbed the ancient wall, then called a soaring falcon.
7.The villain climbed the ancient wall, then fed a tame otter.
8.The villain lit the dark cavern, then called a soaring falcon.
9.The villain swung across the ravine, then called a soaring falcon.
10.The villain swung across the ravine, then fed a tame otter.
11.The villain swung across the ravine, then whistled to a parrot.
12.The villain climbed the ancient wall, then whistled to a parrot.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Lost Temple Mystery
Culprit: Trekker Mason (Compass · Falcon · Left Wrist · Safari Cap · Banana Chips)
- Clue 1 (Addition): "THE VILLAIN DOES NOT TRAVEL WITH A LIZARD"182 + 249 = 431 (T) · 265 + 222 = 487 (V) · 342 + 157 = 499 (L) · 204 + 108 = 312 (D) · 185 + 416 = 601 (O) · 224 + 304 = 528 (R) · 471 + 329 = 800 (N) · 283 + 230 = 513 (E) · 600 + 352 = 952 (S) · 415 + 549 = 964 (I) · 196 + 103 = 299 (A) · 219 + 251 = 470 (Z) · 247 + 105 = 352 (H) · 325 + 516 = 841 (W)
- Clue 2 (Word problems): "LEFT WRIST"Ranger Chloe lined up 3 rows of 11 tent peg. How many tent peg in all? = 33 (L) · Ranger Chloe found 6 canteen yesterday and 53 more today. How many canteen in all? = 59 (T) · Ranger Chloe found 3 tent peg yesterday and 50 more today. How many tent peg in all? = 53 (E) · Ranger Chloe found 64 compass yesterday and 12 more today. How many compass in all? = 76 (F) · Ranger Chloe found 48 rope coil yesterday and 14 more today. How many rope coil in all? = 62 (W) · Ranger Chloe lined up 5 rows of 2 compass. How many compass in all? = 10 (R) · Ranger Chloe lined up 6 rows of 9 canteen. How many canteen in all? = 54 (I)
- Clue 3 (Subtraction): "THE GUARD DEFENDED WITH BANANA CHIPS"585 - 159 = 426 (T) · 802 - 5 = 797 (I) · 319 - 99 = 220 (A) · 1146 - 277 = 869 (B) · 762 - 132 = 630 (D) · 315 - 160 = 155 (U) · 650 - 78 = 572 (H) · 340 - 239 = 101 (W) · 603 - 346 = 257 (G) · 1067 - 276 = 791 (E) · 440 - 107 = 333 (R) · 596 - 252 = 344 (N) · 968 - 100 = 868 (S) · 444 - 323 = 121 (P) · 903 - 337 = 566 (C) · 920 - 282 = 638 (F)
- Clue 4 (Rounding): "A SAFARI CAP PIN WAS LEFT AT THE SCENE"Round 3,581 to the nearest thousand = 4000 (A) · Round 431 to the nearest hundred = 400 (L) · Round 28 to the nearest ten = 30 (T) · Round 7,739 to the nearest thousand = 8000 (S) · Round 18 to the nearest ten = 20 (H) · Round 69 to the nearest ten = 70 (N) · Round 520 to the nearest hundred = 500 (P) · Round 744 to the nearest hundred = 700 (R) · Round 559 to the nearest hundred = 600 (W) · Round 220 to the nearest hundred = 200 (E) · Round 5,762 to the nearest thousand = 6000 (C) · Round 935 to the nearest hundred = 900 (F) · Round 8,641 to the nearest thousand = 9000 (I)
- Clue 5 (Division facts (1-12)): surviving statement (box 4) → Trekker Mason12 ÷ 12 = 1 · 12 ÷ 1 = 12 · 72 ÷ 9 = 8 · 24 ÷ 4 = 6 · 6 ÷ 2 = 3 · 70 ÷ 7 = 10 · 108 ÷ 12 = 9 · 5 ÷ 1 = 5 · 14 ÷ 2 = 7 · 18 ÷ 9 = 2 · 11 ÷ 1 = 11
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Addition, Word problems, Subtraction, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Lost Temple Mystery — set in Whispering Jungle Camp
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects