Grade 6Reading: grades 5-6PercentagesExponentsOrder of operationsMultiplicationDivision

Mystery of the Sunken Sun Stone

During a midnight storm, someone broke into the inner vault of the Temple of the Golden Jaguar and triggered the security locks. The Chief Archaeologist needs your help to crack the codes, analyze the evidence, and identify the intruder before they escape the jungle.

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	Gadget	Relic	Habit	Bandana Color	Trap Vulnerability
Mateo	Grappling Hook	Jade Snake	Twirls coin	Blue Bandana	Net Traps
Maya	Pocket Compass	Ruby Beetle	Twirls coin	Gold Bandana	Dart Traps
Zara	Smoke Bomb	Silver Falcon	Twirls coin	Gold Bandana	Net Traps
Hugo	Smoke Bomb	Amber Turtle	Taps boots	Gold Bandana	Dart Traps
Cora	Smoke Bomb	Crystal Monkey	Twirls coin	Blue Bandana	Net Traps
Nina	Pocket Compass	Silver Falcon	Taps boots	Blue Bandana	Net Traps
Leo	Smoke Bomb	Silver Falcon	Twirls coin	Blue Bandana	Net Traps
Gemma	Smoke Bomb	Crystal Monkey	Taps boots	Gold Bandana	Dart Traps
Elena	Grappling Hook	Amber Turtle	Taps boots	Blue Bandana	Pit Traps
Cleo	Smoke Bomb	Amber Turtle	Twirls coin	Blue Bandana	Net Traps
Clara	Pocket Compass	Crystal Monkey	Twirls coin	Gold Bandana	Dart Traps
Sam	Rope Dart	Amber Turtle	Taps boots	Gold Bandana	Net Traps
Axel	Pocket Compass	Crystal Monkey	Twirls coin	Blue Bandana	Net Traps
Bruno	Brass Telescope	Crystal Monkey	Taps boots	Red Bandana	Pit Traps
Oscar	Smoke Bomb	Ruby Beetle	Taps boots	Red Bandana	Dart Traps
Iris	Pocket Compass	Jade Snake	Twirls coin	Blue Bandana	Pit Traps
Finn	Pocket Compass	Amber Turtle	Taps boots	Blue Bandana	Dart Traps
Diego	Rope Dart	Silver Falcon	Twirls coin	Blue Bandana	Dart Traps
Felix	Brass Telescope	Jade Snake	Taps boots	Gold Bandana	Dart Traps
Indiana	Grappling Hook	Silver Falcon	Taps boots	Red Bandana	Net Traps
Sofia	Grappling Hook	Silver Falcon	Twirls coin	Blue Bandana	Dart Traps

Clue 1

Percentages

The temple decoder ring reveals what percentage of power cells remain active in the vault 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.

40% of 70 =T

50% of 36 =E

50% of 66 =H

75% of 4 =M

5% of 780 =S

50% of 86 =A

25% of 164 =O

20% of 40 =K

10% of 100 =D

20% of 30 =Y

5% of 540 =B

25% of 48 =R

10% of 190 =L

20% of 55 =N

25% of 176 =C

20% of 20 =U

0/16 letters found

Clue 2

Exponents

To calculate the energy grid output, the camp scanner multiplies base grid nodes by powers of ten.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

128

100

256

289

121

289

343

256

169

128

225

289

256

128

324

225

169

2^7 =T

11^2 =U

10^2 =H

7^2 =N

2^3 =R

2^2 =O

18^2 =G

16^2 =E

3^4 =L

7^3 =P

17^2 =S

15^2 =A

4^3 =I

4^2 =W

13^2 =C

0/15 letters found

Clue 3

Order of operations

The ancient lock log requires solving step by step priority rules to figure out the code sequence.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

9 + 9 × 2 =T

11 × 4 - 6 =E

6 × 12 - 26 =P

7 × 12 - 7 =W

6 + 9 × 6 =G

23 + 3 × 3 =R

1 + 3 × 4 =D

15 + 9 × 7 =A

5 + 5 × 5 =H

8 × 11 - 24 =Y

12 × 5 - 29 =B

6 × 3 - 12 =N

8 × 6 - 15 =S

0/13 letters found

Clue 4

Multiplication facts (1-12)

Examining the supply crates stacked in equal rows helps estimate total expedition rations.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

100

121

110

121

100

110

4 × 9 =B

7 × 9 =T

10 × 9 =E

11 × 11 =R

1 × 4 =O

1 × 3 =L

10 × 10 =A

2 × 1 =D

4 × 3 =W

1 × 6 =N

2 × 7 =I

8 × 12 =U

9 × 8 =C

10 × 11 =S

7 × 1 =F

0/15 letters found

Clue 5

Division facts (1-12) — the last clue

Dividing the ancient map fragments equally among search teams pinpoints the precise site.

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

121 ÷ 11 = ?

2 ÷ 2 = ?

100 ÷ 10 = ?

20 ÷ 10 = ?

15 ÷ 5 = ?

90 ÷ 10 = ?

64 ÷ 8 = ?

21 ÷ 3 = ?

84 ÷ 7 = ?

20 ÷ 5 = ?

30 ÷ 6 = ?

Step 2 — cross out the sentence with each answer

1.The villain vanished into darkness with a smoke bomb, then stole the ceremonial silver falcon.

2.The villain swung across the chasm with a rope dart, then swiped the ancient amber turtle.

3.The villain spied on the camp with a brass telescope, then stole the ceremonial silver falcon.

4.The villain navigated the maze using a pocket compass, then stole the ceremonial silver falcon.

5.The villain vanished into darkness with a smoke bomb, then snatched the sacred ruby beetle.

6.The villain vanished into darkness with a smoke bomb, then grabbed the shiny crystal monkey.

7.The villain swung across the chasm with a rope dart, then snatched the sacred ruby beetle.

8.The villain navigated the maze using a pocket compass, then snatched the sacred ruby beetle.

9.The villain scaled the high wall with a grappling hook, then swiped the ancient amber turtle.

10.The villain navigated the maze using a pocket compass, then grabbed the shiny crystal monkey.

11.The villain scaled the high wall with a grappling hook, then pocketed the glowing jade snake.

12.The villain swung across the chasm with a rope dart, then grabbed the shiny crystal monkey.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — Mystery of the Sunken Sun Stone

Culprit: Cora (Smoke Bomb · Crystal Monkey · Twirls coin · Blue Bandana · Net Traps)

Clue 1 (Percentages): "THE SNEAK DOES NOT CARRY THE AMBER TURTLE"
40% of 70 = 28 (T) · 50% of 36 = 18 (E) · 50% of 66 = 33 (H) · 75% of 4 = 3 (M) · 5% of 780 = 39 (S) · 50% of 86 = 43 (A) · 25% of 164 = 41 (O) · 20% of 40 = 8 (K) · 10% of 100 = 10 (D) · 20% of 30 = 6 (Y) · 5% of 540 = 27 (B) · 25% of 48 = 12 (R) · 10% of 190 = 19 (L) · 20% of 55 = 11 (N) · 25% of 176 = 44 (C) · 20% of 20 = 4 (U)
Clue 2 (Exponents): "THE SUSPECT WAS SEEN TWIRLING A COIN"
2^7 = 128 (T) · 11^2 = 121 (U) · 10^2 = 100 (H) · 7^2 = 49 (N) · 2^3 = 8 (R) · 2^2 = 4 (O) · 18^2 = 324 (G) · 16^2 = 256 (E) · 3^4 = 81 (L) · 7^3 = 343 (P) · 17^2 = 289 (S) · 15^2 = 225 (A) · 4^3 = 64 (I) · 4^2 = 16 (W) · 13^2 = 169 (C)
Clue 3 (Order of operations): "THE TARGET WAS TRAPPED BY NET TRAPS"
9 + 9 × 2 = 27 (T) · 11 × 4 - 6 = 38 (E) · 6 × 12 - 26 = 46 (P) · 7 × 12 - 7 = 77 (W) · 6 + 9 × 6 = 60 (G) · 23 + 3 × 3 = 32 (R) · 1 + 3 × 4 = 13 (D) · 15 + 9 × 7 = 78 (A) · 5 + 5 × 5 = 30 (H) · 8 × 11 - 24 = 64 (Y) · 12 × 5 - 29 = 31 (B) · 6 × 3 - 12 = 6 (N) · 8 × 6 - 15 = 33 (S)
Clue 4 (Multiplication facts (1-12)): "BLUE BANDANA FIBERS WERE FOUND AT SCENE"
4 × 9 = 36 (B) · 7 × 9 = 63 (T) · 10 × 9 = 90 (E) · 11 × 11 = 121 (R) · 1 × 4 = 4 (O) · 1 × 3 = 3 (L) · 10 × 10 = 100 (A) · 2 × 1 = 2 (D) · 4 × 3 = 12 (W) · 1 × 6 = 6 (N) · 2 × 7 = 14 (I) · 8 × 12 = 96 (U) · 9 × 8 = 72 (C) · 10 × 11 = 110 (S) · 7 × 1 = 7 (F)
Clue 5 (Division facts (1-12)): surviving statement (box 6) → Cora
121 ÷ 11 = 11 · 2 ÷ 2 = 1 · 100 ÷ 10 = 10 · 20 ÷ 10 = 2 · 15 ÷ 5 = 3 · 90 ÷ 10 = 9 · 64 ÷ 8 = 8 · 21 ÷ 3 = 7 · 84 ÷ 7 = 12 · 20 ÷ 5 = 4 · 30 ÷ 6 = 5

About this mystery

Grade level: Grade 6 math
Math topics: Percentages, Exponents, Order of operations, Multiplication, Division
Reading level: grades 5-6
Theme: Mystery of the Sunken Sun Stone — set in Temple of the Golden Jaguar
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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