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Grade 4Reading: grades 3-4AdditionSubtractionRoundingMultiplicationDivision

Mystery at Gold Monkey Temple

Someone snuck into the jungle ruins and stole the Golden Idol! Solve the clues and unmask the culprit.

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	Main Tool	Extra Gear	Dominant Hand	Hair Style	Weakness
Agent Bruno	SMOKE BOMBS	ROPE LADDER	RIGHT HANDED	SPIKY BROWN HAIR	LOUD WHISTLE
Captain Leo	GRAPPLING HOOK	COMPASS BRACELET	LEFT HANDED	SHORT RED HAIR	LOUD WHISTLE
Archeologist Ruby	GLIDER WINGS	ROPE LADDER	RIGHT HANDED	SPIKY BROWN HAIR	CITRUS SPRAY
Scout Nora	SMOKE BOMBS	COMPASS BRACELET	RIGHT HANDED	SPIKY BROWN HAIR	LOUD WHISTLE
Pilot Felix	TURBO BOOTS	COMPASS BRACELET	RIGHT HANDED	LONG BLACK HAIR	FLASH LIGHT
Surveyor Finn	GRAPPLING HOOK	ROPE LADDER	LEFT HANDED	SHORT RED HAIR	LOUD WHISTLE
Cartographer Eli	MAGNIFYING LENS	NIGHT VISION GOGGLES	LEFT HANDED	SHORT RED HAIR	FLASH LIGHT
Botanist Iris	SMOKE BOMBS	POCKET MAP	LEFT HANDED	SHORT RED HAIR	LOUD WHISTLE
Explorer Jax	MAGNIFYING LENS	ROPE LADDER	LEFT HANDED	SHORT RED HAIR	LOUD WHISTLE
Adventurer Otis	MAGNIFYING LENS	SIGNAL FLARE	LEFT HANDED	LONG BLACK HAIR	FLASH LIGHT
Geologist Jade	GRAPPLING HOOK	COMPASS BRACELET	LEFT HANDED	SHORT RED HAIR	CITRUS SPRAY
Scholar Jonah	MAGNIFYING LENS	SIGNAL FLARE	RIGHT HANDED	SPIKY BROWN HAIR	LOUD WHISTLE
Ranger Sam	TURBO BOOTS	ROPE LADDER	LEFT HANDED	LONG BLACK HAIR	FLASH LIGHT
Pioneer Vera	SMOKE BOMBS	COMPASS BRACELET	LEFT HANDED	LONG BLACK HAIR	LOUD WHISTLE
Detective Rosa	GRAPPLING HOOK	ROPE LADDER	LEFT HANDED	SHORT RED HAIR	CITRUS SPRAY
Diver Cleo	MAGNIFYING LENS	NIGHT VISION GOGGLES	LEFT HANDED	SHORT RED HAIR	CITRUS SPRAY
Professor Hugo	SMOKE BOMBS	SIGNAL FLARE	RIGHT HANDED	LONG BLACK HAIR	FLASH LIGHT
Caver Axel	SMOKE BOMBS	POCKET MAP	LEFT HANDED	LONG BLACK HAIR	FLASH LIGHT
Scribe Clara	GLIDER WINGS	ROPE LADDER	LEFT HANDED	LONG BLACK HAIR	FLASH LIGHT
Trekker Nina	GLIDER WINGS	ROPE LADDER	LEFT HANDED	SHORT RED HAIR	FLASH LIGHT
Navigator Ivy	MAGNIFYING LENS	NIGHT VISION GOGGLES	LEFT HANDED	LONG BLACK HAIR	FLASH LIGHT

Clue 1

Addition

We counted the total footsteps left near the temple entrance to find our first code digit.

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

9688

7791

9184

9034

6219

3505

6346

6219

9614

7158

9334

9184

4095

9614

9334

9688

7791

6346

9034

9184

6346

4095

6219

8993

9614

6346

3505

9830

3505

6346

8815

9184

5995 + 3693 =T

4815 + 4369 =E

4348 + 4645 =G

4148 + 5466 =N

3917 + 2302 =I

2668 + 3678 =A

3239 + 4552 =H

4372 + 2786 =D

2440 + 1065 =L

4859 + 3956 =R

3108 + 6722 =F

3958 + 5076 =V

6065 + 3269 =O

1891 + 2204 =S

0/14 letters found

Clue 2

Subtraction

We subtracted the missing supplies from our pack list to see what the thief took.

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

6717

8641

8490

5710

4937

7252

2901

6717

2901

3753

4937

7646

8490

4426

2901

5710

1457

4937

1457

7646

2187

8490

5686

6038

8641

5710

8490

9273 - 2556 =W

9202 - 4265 =E

7575 - 3149 =H

3843 - 2386 =D

7931 - 1893 =R

7044 - 1358 =P

11727 - 4081 =F

9808 - 4098 =N

9594 - 1104 =T

11550 - 4298 =S

6655 - 4468 =O

7241 - 3488 =L

8932 - 291 =I

3098 - 197 =A

0/14 letters found

Clue 3

Rounding

The temple scanner only displays rounded energy levels on its digital screen.

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

4300

2000

2300

700

2900

370

130

110

370

700

110

1100

7000

Round 49 to the nearest tenT

Round 2,338 to the nearest thousandO

Round 30 to the nearest tenE

Round 718 to the nearest hundredS

Round 4,280 to the nearest hundredR

Round 2,346 to the nearest hundredU

Round 107 to the nearest tenL

Round 7,419 to the nearest thousandG

Round 1,087 to the nearest hundredI

Round 24 to the nearest tenH

Round 134 to the nearest tenF

Round 372 to the nearest tenA

Round 2,880 to the nearest hundredD

0/13 letters found

Clue 4

Multiplication facts (1-12)

We checked four equal rows of stone tiles to calculate the hidden path.

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

121

108

100

121

11 × 11 =D

11 × 1 =B

9 × 10 =H

8 × 10 =G

7 × 6 =V

7 × 8 =A

12 × 8 =C

11 × 3 =R

9 × 11 =T

7 × 9 =L

1 × 7 =E

9 × 12 =F

7 × 11 =K

7 × 5 =O

3 × 5 =S

2 × 12 =N

5 × 12 =I

10 × 10 =U

0/18 letters found

Clue 5

Division facts (1-12) — the last clue

We divided the ancient gold coins equally into bags for safe keeping.

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

99 ÷ 11 = ?

49 ÷ 7 = ?

40 ÷ 8 = ?

4 ÷ 4 = ?

36 ÷ 9 = ?

22 ÷ 2 = ?

72 ÷ 9 = ?

6 ÷ 1 = ?

10 ÷ 5 = ?

120 ÷ 12 = ?

9 ÷ 3 = ?

Step 2 — cross out the sentence with each answer

1.The villain searched around with a magnifying lens, then unrolled a rope ladder.

2.The villain soared in with glider wings, then studied a pocket map.

3.The villain used a grappling hook to enter, then studied a pocket map.

4.The villain dropped smoke bombs nearby, then unrolled a rope ladder.

5.The villain zoomed past with turbo boots, then unrolled a rope ladder.

6.The villain zoomed past with turbo boots, then studied a pocket map.

7.The villain dropped smoke bombs nearby, then studied a pocket map.

8.The villain searched around with a magnifying lens, then checked a compass bracelet.

9.The villain soared in with glider wings, then unrolled a rope ladder.

10.The villain zoomed past with turbo boots, then put on night vision goggles.

11.The villain zoomed past with turbo boots, then fired off a signal flare.

12.The villain searched around with a magnifying lens, then put on night vision goggles.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — Mystery at Gold Monkey Temple

Culprit: Navigator Ivy (MAGNIFYING LENS · NIGHT VISION GOGGLES · LEFT HANDED · LONG BLACK HAIR · FLASH LIGHT)

Clue 1 (Addition): "THE VILLAIN DOES NOT HAVE A SIGNAL FLARE"
5995 + 3693 = 9688 (T) · 4815 + 4369 = 9184 (E) · 4348 + 4645 = 8993 (G) · 4148 + 5466 = 9614 (N) · 3917 + 2302 = 6219 (I) · 2668 + 3678 = 6346 (A) · 3239 + 4552 = 7791 (H) · 4372 + 2786 = 7158 (D) · 2440 + 1065 = 3505 (L) · 4859 + 3956 = 8815 (R) · 3108 + 6722 = 9830 (F) · 3958 + 5076 = 9034 (V) · 6065 + 3269 = 9334 (O) · 1891 + 2204 = 4095 (S)
Clue 2 (Subtraction): "WITNESS SAW A LEFT HANDED FOOTPRINT"
9273 - 2556 = 6717 (W) · 9202 - 4265 = 4937 (E) · 7575 - 3149 = 4426 (H) · 3843 - 2386 = 1457 (D) · 7931 - 1893 = 6038 (R) · 7044 - 1358 = 5686 (P) · 11727 - 4081 = 7646 (F) · 9808 - 4098 = 5710 (N) · 9594 - 1104 = 8490 (T) · 11550 - 4298 = 7252 (S) · 6655 - 4468 = 2187 (O) · 7241 - 3488 = 3753 (L) · 8932 - 291 = 8641 (I) · 3098 - 197 = 2901 (A)
Clue 3 (Rounding): "THE HERO USED A FLASH LIGHT"
Round 49 to the nearest ten = 50 (T) · Round 2,338 to the nearest thousand = 2000 (O) · Round 30 to the nearest ten = 30 (E) · Round 718 to the nearest hundred = 700 (S) · Round 4,280 to the nearest hundred = 4300 (R) · Round 2,346 to the nearest hundred = 2300 (U) · Round 107 to the nearest ten = 110 (L) · Round 7,419 to the nearest thousand = 7000 (G) · Round 1,087 to the nearest hundred = 1100 (I) · Round 24 to the nearest ten = 20 (H) · Round 134 to the nearest ten = 130 (F) · Round 372 to the nearest ten = 370 (A) · Round 2,880 to the nearest hundred = 2900 (D)
Clue 4 (Multiplication facts (1-12)): "DETECTIVES FOUND LONG BLACK HAIR"
11 × 11 = 121 (D) · 11 × 1 = 11 (B) · 9 × 10 = 90 (H) · 8 × 10 = 80 (G) · 7 × 6 = 42 (V) · 7 × 8 = 56 (A) · 12 × 8 = 96 (C) · 11 × 3 = 33 (R) · 9 × 11 = 99 (T) · 7 × 9 = 63 (L) · 1 × 7 = 7 (E) · 9 × 12 = 108 (F) · 7 × 11 = 77 (K) · 7 × 5 = 35 (O) · 3 × 5 = 15 (S) · 2 × 12 = 24 (N) · 5 × 12 = 60 (I) · 10 × 10 = 100 (U)
Clue 5 (Division facts (1-12)): surviving statement (box 12) → Navigator Ivy
99 ÷ 11 = 9 · 49 ÷ 7 = 7 · 40 ÷ 8 = 5 · 4 ÷ 4 = 1 · 36 ÷ 9 = 4 · 22 ÷ 2 = 11 · 72 ÷ 9 = 8 · 6 ÷ 1 = 6 · 10 ÷ 5 = 2 · 120 ÷ 12 = 10 · 9 ÷ 3 = 3

About this mystery

Grade level: Grade 4 math
Math topics: Addition, Subtraction, Rounding, Multiplication, Division
Reading level: grades 3-4
Theme: Mystery at Gold Monkey Temple — set in Sunken Temple of the Golden Monkey
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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