Grade 4Reading: grades 3-4Place valueAdditionSubtractionMultiplicationDivision

The Temple of Sunstones Mystery

Oh no! A rogue explorer has sneaked into the Temple of Sunstones and taken the Golden Sun Compass! Professor Penny needs the Jungle Patrol to track down the thief before they escape the valley. Use your math skills and search for clues to solve the mystery!

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	Jungle Gear	Pet Companion	Dominant Hand	Hair Style	Secret Fear
Harry Potter	Compass	Python	Right-handed	Curly hair	Afraid of spiders
Charles Darwin	Flashlight	Parrot	Left-handed	Spiky hair	Allergic to flowers
Jack Wilderness	Binoculars	Monkey	Left-handed	Curly hair	Allergic to flowers
Jane Goodall	Flashlight	Chameleon	Right-handed	Braided hair	Allergic to flowers
Marco Polo	Machete	Chameleon	Right-handed	Curly hair	Afraid of spiders
Leo Ranger	Flashlight	Python	Left-handed	Spiky hair	Allergic to flowers
Diego Rescue	Grappling Hook	Parrot	Left-handed	Spiky hair	Hates mud
Sherlock Holmes	Grappling Hook	Chameleon	Right-handed	Spiky hair	Allergic to flowers
Amelia Earhart	Machete	Monkey	Left-handed	Spiky hair	Allergic to flowers
Dora Map	Machete	Parrot	Left-handed	Curly hair	Allergic to flowers
Zorro	Binoculars	Monkey	Left-handed	Spiky hair	Allergic to flowers
Peter Parker	Grappling Hook	Chameleon	Left-handed	Braided hair	Afraid of spiders
Ellie Sattler	Binoculars	Monkey	Left-handed	Spiky hair	Afraid of spiders
Alan Grant	Binoculars	Python	Left-handed	Braided hair	Allergic to flowers
Ruby Roundhouse	Flashlight	Python	Right-handed	Curly hair	Afraid of spiders
Lara Croft	Compass	Parrot	Right-handed	Braided hair	Allergic to flowers
Katniss Everdeen	Binoculars	Python	Right-handed	Braided hair	Allergic to flowers
Hardy Boy	Compass	Monkey	Left-handed	Spiky hair	Allergic to flowers
Indiana Smith	Grappling Hook	Monkey	Right-handed	Curly hair	Hates mud
Percy Jackson	Flashlight	Chameleon	Left-handed	Spiky hair	Hates mud
Robin Hood	Flashlight	Chameleon	Right-handed	Braided hair	Afraid of spiders

Clue 1

Place value

A digital lock on the temple door requires a code. The screen shows a number with four in the tens place. This code unlocks the first 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.

5000

100

400

5000

3000

8000

3000

800

600

5000

400

What is the value of the 3 in 4,935?T

What is the value of the 1 in 7,146?D

What is the value of the 5 in 1,651?I

What is the value of the 5 in 35,370?H

What is the value of the 8 in 4,840?P

What is the value of the 8 in 8,000?V

What is the value of the 8 in 987?S

What is the value of the 3 in 93,875?A

What is the value of the 9 in 598?N

What is the value of the 4 in 433?O

What is the value of the 6 in 630?Y

What is the value of the 6 in 360?F

What is the value of the 4 in 148?E

0/13 letters found

Clue 2

Addition

The team counts the fresh footprints left in the dirt. By adding the footprints on the left path to the footprints on the right path, we find the second 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.

7933

9303

2417

5174

9303

2417

3542

2314

7933

9303

2417

2966

5713

5853

3841

4728

7933

9303

7933

9303

2417

4728

6699

3542

2417

2212

7933

9303

5713

4556

2314

3077 + 4856 =T

1512 + 802 =D

1472 + 740 =F

934 + 1483 =E

2282 + 2274 =N

3066 + 2647 =A

3320 + 1854 =Y

1943 + 1898 =W

1656 + 3072 =I

2290 + 1252 =L

6112 + 3191 =H

1475 + 1491 =M

1764 + 4089 =P

2353 + 4346 =R

0/14 letters found

Clue 3

Subtraction

We check the canteen crate to see how much water the thief took. By subtracting the remaining canteens from the starting amount, we discover the third 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.

1095

8918

7729

7896

4419

8572

7729

4038

7729

8859

2104

2665

3704

8859

2104

7896

8572

7729

4797

6969

1095

8918

7729

6969

2665

4419

7729

4419

2717 - 1622 =T

12382 - 3523 =D

11685 - 3789 =Y

3145 - 1041 =L

9159 - 4362 =A

11804 - 2886 =H

12596 - 4867 =E

4645 - 1980 =O

10542 - 3573 =R

6090 - 2386 =U

13068 - 4496 =N

7056 - 3018 =Z

5256 - 837 =S

0/13 letters found

Clue 4

Multiplication facts (1-12)

There is a grid of stone tiles on the floor. Multiplying the rows of tiles by the columns of tiles reveals a secret compartment with the fourth 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.

110

11 × 1 =W

5 × 9 =Y

4 × 2 =U

5 × 5 =C

7 × 8 =P

5 × 8 =D

4 × 6 =I

7 × 6 =O

9 × 6 =B

12 × 6 =K

7 × 7 =S

8 × 4 =T

3 × 3 =N

7 × 1 =F

5 × 6 =H

4 × 9 =E

10 × 11 =R

10 × 8 =A

0/18 letters found

Clue 5

Division facts (1-12) — the last clue

We find a bag of trail mix dropped by the thief. If we divide the peanuts equally among the team members, the leftover amount tells us where the final clue is hidden!

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

16 ÷ 8 = ?

8 ÷ 1 = ?

7 ÷ 7 = ?

33 ÷ 3 = ?

60 ÷ 5 = ?

12 ÷ 4 = ?

66 ÷ 11 = ?

15 ÷ 3 = ?

50 ÷ 5 = ?

20 ÷ 5 = ?

99 ÷ 11 = ?

Step 2 — cross out the sentence with each answer

1.The villain checked the trail with a compass, then shared a banana with their monkey.

2.The villain cleared the dense vines with a machete, then shared a banana with their monkey.

3.The villain swung across the canyon with a grappling hook, then patted their loyal jaguar cub.

4.The villain scouted the path with binoculars, then fed some fruit to their parrot.

5.The villain swung across the canyon with a grappling hook, then watched their chameleon blend into the leaves.

6.The villain checked the trail with a compass, then watched their chameleon blend into the leaves.

7.The villain scouted the path with binoculars, then shared a banana with their monkey.

8.The villain lit up the dark tunnel with a flashlight, then fed some fruit to their parrot.

9.The villain checked the trail with a compass, then patted their loyal jaguar cub.

10.The villain swung across the canyon with a grappling hook, then shared a banana with their monkey.

11.The villain checked the trail with a compass, then fed some fruit to their parrot.

12.The villain scouted the path with binoculars, then carried their sleeping python in a sack.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Temple of Sunstones Mystery

Culprit: Zorro (Binoculars · Monkey · Left-handed · Spiky hair · Allergic to flowers)

Clue 1 (Place value): "THE THIEF DOES NOT HAVE A PYTHON"
What is the value of the 3 in 4,935? = 30 (T) · What is the value of the 1 in 7,146? = 100 (D) · What is the value of the 5 in 1,651? = 50 (I) · What is the value of the 5 in 35,370? = 5000 (H) · What is the value of the 8 in 4,840? = 800 (P) · What is the value of the 8 in 8,000? = 8000 (V) · What is the value of the 8 in 987? = 80 (S) · What is the value of the 3 in 93,875? = 3000 (A) · What is the value of the 9 in 598? = 90 (N) · What is the value of the 4 in 433? = 400 (O) · What is the value of the 6 in 630? = 600 (Y) · What is the value of the 6 in 360? = 60 (F) · What is the value of the 4 in 148? = 40 (E)
Clue 2 (Addition): "THEY HELD THE MAP WITH THEIR LEFT HAND"
3077 + 4856 = 7933 (T) · 1512 + 802 = 2314 (D) · 1472 + 740 = 2212 (F) · 934 + 1483 = 2417 (E) · 2282 + 2274 = 4556 (N) · 3066 + 2647 = 5713 (A) · 3320 + 1854 = 5174 (Y) · 1943 + 1898 = 3841 (W) · 1656 + 3072 = 4728 (I) · 2290 + 1252 = 3542 (L) · 6112 + 3191 = 9303 (H) · 1475 + 1491 = 2966 (M) · 1764 + 4089 = 5853 (P) · 2353 + 4346 = 6699 (R)
Clue 3 (Subtraction): "THEY SNEEZED LOUDLY NEAR THE ROSES"
2717 - 1622 = 1095 (T) · 12382 - 3523 = 8859 (D) · 11685 - 3789 = 7896 (Y) · 3145 - 1041 = 2104 (L) · 9159 - 4362 = 4797 (A) · 11804 - 2886 = 8918 (H) · 12596 - 4867 = 7729 (E) · 4645 - 1980 = 2665 (O) · 10542 - 3573 = 6969 (R) · 6090 - 2386 = 3704 (U) · 13068 - 4496 = 8572 (N) · 7056 - 3018 = 4038 (Z) · 5256 - 837 = 4419 (S)
Clue 4 (Multiplication facts (1-12)): "WE FOUND A SPIKY HAIR ON THE BRANCH"
11 × 1 = 11 (W) · 5 × 9 = 45 (Y) · 4 × 2 = 8 (U) · 5 × 5 = 25 (C) · 7 × 8 = 56 (P) · 5 × 8 = 40 (D) · 4 × 6 = 24 (I) · 7 × 6 = 42 (O) · 9 × 6 = 54 (B) · 12 × 6 = 72 (K) · 7 × 7 = 49 (S) · 8 × 4 = 32 (T) · 3 × 3 = 9 (N) · 7 × 1 = 7 (F) · 5 × 6 = 30 (H) · 4 × 9 = 36 (E) · 10 × 11 = 110 (R) · 10 × 8 = 80 (A)
Clue 5 (Division facts (1-12)): surviving statement (box 7) → Zorro
16 ÷ 8 = 2 · 8 ÷ 1 = 8 · 7 ÷ 7 = 1 · 33 ÷ 3 = 11 · 60 ÷ 5 = 12 · 12 ÷ 4 = 3 · 66 ÷ 11 = 6 · 15 ÷ 3 = 5 · 50 ÷ 5 = 10 · 20 ÷ 5 = 4 · 99 ÷ 11 = 9

About this mystery

Grade level: Grade 4 math
Math topics: Place value, Addition, Subtraction, Multiplication, Division
Reading level: grades 3-4
Theme: The Temple of Sunstones Mystery — set in The Whispering Jungle
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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