Grade 4Reading: grades 3-4MultiplicationWord problemsAdditionSubtractionDivision

The Lost Jade Jaguar

Someone snuck into the camp, opened the temple vault, and took the Golden Jaguar! Chief Archeologist Dr. Sarah Stone needs your team of junior explorers to solve the clues left behind and catch the rogue explorer 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	Gear Item	Temple Tool	Flashlight Grip	Hat Color	Fear
Ruby Canyon	Rescue Rope	Decoder Lens	Left-handed grip	Yellow Helmet	Jungle Spiders
Rex Digwell	Laser Compass	Decoder Lens	Left-handed grip	Brown Fedora	Squeaky Bats
Lara Croft	Laser Compass	Map Scanner	Right-handed grip	Brown Fedora	Squeaky Bats
Penny Drake	Climbing Claws	Metal Detector	Left-handed grip	Green Safari Hat	Prickly Vines
Daisy Valley	Laser Compass	Decoder Lens	Left-handed grip	Yellow Helmet	Prickly Vines
Zack Everest	Heavy Crowbar	Sonic Whistle	Left-handed grip	Yellow Helmet	Prickly Vines
Gemma Stone	Heavy Crowbar	Map Scanner	Right-handed grip	Brown Fedora	Prickly Vines
Indiana Smith	Laser Compass	Mini Shovel	Left-handed grip	Yellow Helmet	Prickly Vines
Steve Irwin	Laser Compass	Sonic Whistle	Right-handed grip	Green Safari Hat	Squeaky Bats
Chloe Summit	Heavy Crowbar	Mini Shovel	Left-handed grip	Brown Fedora	Prickly Vines
Amelia Earhart	Climbing Claws	Mini Shovel	Right-handed grip	Green Safari Hat	Prickly Vines
Sam Trail	Heavy Crowbar	Map Scanner	Left-handed grip	Yellow Helmet	Prickly Vines
Bindi Irwin	Climbing Claws	Decoder Lens	Right-handed grip	Green Safari Hat	Jungle Spiders
Toby Trek	Heavy Crowbar	Sonic Whistle	Right-handed grip	Green Safari Hat	Jungle Spiders
Leo Sterling	Heavy Crowbar	Sonic Whistle	Right-handed grip	Green Safari Hat	Squeaky Bats
Finn Woods	Rescue Rope	Mini Shovel	Right-handed grip	Yellow Helmet	Prickly Vines
Ben Ranger	Laser Compass	Sonic Whistle	Right-handed grip	Yellow Helmet	Prickly Vines
Hazel Moss	Grappling Hook	Map Scanner	Left-handed grip	Yellow Helmet	Prickly Vines
Marco Polo	Rescue Rope	Metal Detector	Right-handed grip	Brown Fedora	Squeaky Bats
Jack Wilder	Heavy Crowbar	Decoder Lens	Left-handed grip	Brown Fedora	Squeaky Bats
Jane Goodall	Grappling Hook	Decoder Lens	Right-handed grip	Yellow Helmet	Prickly Vines

Clue 1

Multiplication facts (1-12)

We found rows of mysterious stone tiles blocking the path. If we multiply the rows by the tiles in each row, we will unlock the first chest!

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 × 6 =T

6 × 7 =C

8 × 10 =V

11 × 6 =D

7 × 4 =A

8 × 8 =U

12 × 5 =E

10 × 3 =L

3 × 4 =N

10 × 4 =H

1 × 1 =W

2 × 1 =S

5 × 1 =O

3 × 7 =I

0/14 letters found

Clue 2

Word problems

Our team needs to pack the right gear for the wet jungle. Solving these tricky gear-weight problems will give us the next clue.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Awitnesssawthevillainwas

Ranger Rick found 8 backpack yesterday and 38 more today. How many backpack in all?L

There were 69 backpack. 16 were used up. How many backpack are left?A

There were 92 compass. 27 were used up. How many compass are left?E

There were 72 backpack. 38 were used up. How many backpack are left?T

Ranger Rick found 5 canteen yesterday and 4 more today. How many canteen in all?F

There were 53 compass. 16 were used up. How many compass are left?N

Ranger Rick found 13 notebook yesterday and 4 more today. How many notebook in all?H

0/7 letters found

Clue 3

Addition

We gathered ripped scraps of an old map. By adding all the map pieces together, we can see where the suspect went.

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

3900

4559

9487

6381

2549

5644

4011

3350

4011

5644

9362

2549

8755

8402

3900

4559

9487

5800

6381

2549

7777

4531

3350

7020

5644

2549

2756

9487

8402

1794 + 2106 =T

2253 + 1758 =A

4337 + 4418 =D

3527 + 3493 =Y

2526 + 3118 =V

5263 + 4224 =E

1540 + 2991 =K

1343 + 1413 =N

1733 + 816 =I

3437 + 2944 =R

1904 + 3896 =P

5720 + 2682 =S

1321 + 2029 =L

2255 + 2304 =H

3602 + 4175 =C

5301 + 4061 =O

0/16 letters found

Clue 4

Subtraction

Wild monkeys took some of our water bottles from the camp. We must subtract what they stole from our total to see what is left.

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

6898

6530

4906

2271

8573

3632

4021

3389

6771

4895

7593

8573

3389

6771

3026

3389

3632

4277

8598

4906

6003

3632

7593

8598

8810

2715

6530

8598

4277

3389

7794

4895

4150

9184 - 2286 =B

5121 - 1489 =T

7614 - 2719 =O

13161 - 4588 =H

13486 - 4888 =A

5768 - 3497 =G

8963 - 4942 =Y

11283 - 3489 =D

11226 - 4696 =R

6208 - 2819 =E

9166 - 4260 =I

12422 - 4829 =W

3627 - 601 =M

6452 - 2175 =P

4580 - 430 =F

8556 - 2553 =N

9769 - 2998 =L

10029 - 1219 =S

7245 - 4530 =C

0/19 letters found

Clue 5

Division facts (1-12) — the last clue

To cross the deep canyon, we must divide our longest rope into equal parts. Sharing the rope evenly gives us our 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

6 ÷ 6 = ?

36 ÷ 9 = ?

30 ÷ 5 = ?

63 ÷ 9 = ?

16 ÷ 2 = ?

24 ÷ 2 = ?

15 ÷ 5 = ?

110 ÷ 10 = ?

18 ÷ 9 = ?

15 ÷ 3 = ?

110 ÷ 11 = ?

Step 2 — cross out the sentence with each answer

1.The villain unlocked the golden temple door, then translated the ancient secret runes.

2.The villain climbed up the ancient ruins wall, then scanned the dusty paths for traps.

3.The villain pried open the heavy treasure chest, then scared away the wild monkeys.

4.The villain unlocked the golden temple door, then dug up the hidden golden map.

5.The villain climbed up the ancient ruins wall, then translated the ancient secret runes.

6.The villain swung across the crumbling stone bridge, then scanned the dusty paths for traps.

7.The villain pried open the heavy treasure chest, then dug up the hidden golden map.

8.The villain swung across the crumbling stone bridge, then translated the ancient secret runes.

9.The villain pried open the heavy treasure chest, then scanned the dusty paths for traps.

10.The villain crossed the roaring jungle river, then located the buried stone key.

11.The villain crossed the roaring jungle river, then scared away the wild monkeys.

12.The villain climbed up the ancient ruins wall, then scared away the wild monkeys.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Lost Jade Jaguar

Culprit: Sam Trail (Heavy Crowbar · Map Scanner · Left-handed grip · Yellow Helmet · Prickly Vines)

Clue 1 (Multiplication facts (1-12)): "THE VILLAIN DOES NOT USE A SONIC WHISTLE"
9 × 6 = 54 (T) · 6 × 7 = 42 (C) · 8 × 10 = 80 (V) · 11 × 6 = 66 (D) · 7 × 4 = 28 (A) · 8 × 8 = 64 (U) · 12 × 5 = 60 (E) · 10 × 3 = 30 (L) · 3 × 4 = 12 (N) · 10 × 4 = 40 (H) · 1 × 1 = 1 (W) · 2 × 1 = 2 (S) · 5 × 1 = 5 (O) · 3 × 7 = 21 (I)
Clue 2 (Word problems): "LEFT HANDED GRIP"
Ranger Rick found 8 backpack yesterday and 38 more today. How many backpack in all? = 46 (L) · There were 69 backpack. 16 were used up. How many backpack are left? = 53 (A) · There were 92 compass. 27 were used up. How many compass are left? = 65 (E) · There were 72 backpack. 38 were used up. How many backpack are left? = 34 (T) · Ranger Rick found 5 canteen yesterday and 4 more today. How many canteen in all? = 9 (F) · There were 53 compass. 16 were used up. How many compass are left? = 37 (N) · Ranger Rick found 13 notebook yesterday and 4 more today. How many notebook in all? = 17 (H)
Clue 3 (Addition): "THE RIVAL AVOIDS THE PRICKLY VINES"
1794 + 2106 = 3900 (T) · 2253 + 1758 = 4011 (A) · 4337 + 4418 = 8755 (D) · 3527 + 3493 = 7020 (Y) · 2526 + 3118 = 5644 (V) · 5263 + 4224 = 9487 (E) · 1540 + 2991 = 4531 (K) · 1343 + 1413 = 2756 (N) · 1733 + 816 = 2549 (I) · 3437 + 2944 = 6381 (R) · 1904 + 3896 = 5800 (P) · 5720 + 2682 = 8402 (S) · 1321 + 2029 = 3350 (L) · 2255 + 2304 = 4559 (H) · 3602 + 4175 = 7777 (C) · 5301 + 4061 = 9362 (O)
Clue 4 (Subtraction): "BRIGHT YELLOW HELMET PAINT WAS SCRAPED OFF"
9184 - 2286 = 6898 (B) · 5121 - 1489 = 3632 (T) · 7614 - 2719 = 4895 (O) · 13161 - 4588 = 8573 (H) · 13486 - 4888 = 8598 (A) · 5768 - 3497 = 2271 (G) · 8963 - 4942 = 4021 (Y) · 11283 - 3489 = 7794 (D) · 11226 - 4696 = 6530 (R) · 6208 - 2819 = 3389 (E) · 9166 - 4260 = 4906 (I) · 12422 - 4829 = 7593 (W) · 3627 - 601 = 3026 (M) · 6452 - 2175 = 4277 (P) · 4580 - 430 = 4150 (F) · 8556 - 2553 = 6003 (N) · 9769 - 2998 = 6771 (L) · 10029 - 1219 = 8810 (S) · 7245 - 4530 = 2715 (C)
Clue 5 (Division facts (1-12)): surviving statement (box 9) → Sam Trail
6 ÷ 6 = 1 · 36 ÷ 9 = 4 · 30 ÷ 5 = 6 · 63 ÷ 9 = 7 · 16 ÷ 2 = 8 · 24 ÷ 2 = 12 · 15 ÷ 5 = 3 · 110 ÷ 10 = 11 · 18 ÷ 9 = 2 · 15 ÷ 3 = 5 · 110 ÷ 11 = 10

About this mystery

Grade level: Grade 4 math
Math topics: Multiplication, Word problems, Addition, Subtraction, Division
Reading level: grades 3-4
Theme: The Lost Jade Jaguar — 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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