Grade 4Reading: grades 3-4RoundingWord problemsAdditionSubtractionDivision

The Golden Spigot Mystery

The Golden Spigot is missing! Without it, we cannot have our giant treehouse waffle feast. A mysterious adventurer sneaked into the high syrup vault and snatched it. We need to follow the clues up in the branches to find out who did it!

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	Specialist Gear	Pocket Tool	Launcher Hand	Headwear Style	Foil Weapon
Finn	Glider Wings	Pocket Compass	Left-handed launcher	Feathered cap	Sparkler burst
Sam	Rope Dart	Brass Whistle	Right-handed launcher	Feathered cap	Sparkler burst
Leo	Glider Wings	Spyglass	Left-handed launcher	Goggles on forehead	Sparkler burst
Zoe	Rope Dart	Spyglass	Left-handed launcher	Feathered cap	Sparkler burst
Clara	Rope Dart	Pocket Compass	Right-handed launcher	Feathered cap	Squeaky toy noise
Ella	Super Slingshot	Glow Stone	Left-handed launcher	Feathered cap	Squeaky toy noise
Ivy	Bounce Boots	Glow Stone	Left-handed launcher	Feathered cap	Squeaky toy noise
Lily	Rope Dart	Brass Whistle	Right-handed launcher	Goggles on forehead	Splash of water
Ruby	Rope Dart	Secret Map	Right-handed launcher	Goggles on forehead	Sparkler burst
Abby	Bounce Boots	Brass Whistle	Left-handed launcher	Goggles on forehead	Sparkler burst
Maya	Grappling Hook	Spyglass	Left-handed launcher	Feathered cap	Squeaky toy noise
Sasha	Rope Dart	Secret Map	Left-handed launcher	Feathered cap	Sparkler burst
Jake	Glider Wings	Secret Map	Left-handed launcher	Feathered cap	Sparkler burst
Alex	Grappling Hook	Secret Map	Right-handed launcher	Goggles on forehead	Splash of water
Mia	Super Slingshot	Secret Map	Left-handed launcher	Feathered cap	Sparkler burst
Toby	Rope Dart	Glow Stone	Left-handed launcher	Goggles on forehead	Squeaky toy noise
Max	Bounce Boots	Spyglass	Right-handed launcher	Feathered cap	Squeaky toy noise
Ben	Grappling Hook	Glow Stone	Left-handed launcher	Leather helmet	Squeaky toy noise
Nora	Rope Dart	Secret Map	Right-handed launcher	Feathered cap	Splash of water
Luke	Super Slingshot	Brass Whistle	Right-handed launcher	Feathered cap	Squeaky toy noise
Jack	Bounce Boots	Spyglass	Right-handed launcher	Goggles on forehead	Splash of water

Clue 1

Rounding

We need to count the missing syrup bottles in the pantry. Solve this word problem to find out where the thief ran!

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

700

230

1100

1700

500

1700

2900

290

300

1300

2900

300

700

230

1100

1300

110

200

2300

500

1300

Round 719 to the nearest hundredT

Round 1,069 to the nearest hundredV

Round 109 to the nearest tenP

Round 490 to the nearest hundredL

Round 1,279 to the nearest hundredS

Round 2,294 to the nearest hundredG

Round 197 to the nearest hundredY

Round 286 to the nearest tenD

Round 1,737 to the nearest hundredI

Round 279 to the nearest hundredO

Round 232 to the nearest tenH

Round 20 to the nearest tenA

Round 91 to the nearest tenE

Round 2,929 to the nearest hundredN

0/14 letters found

Clue 2

Word problems

The scout radar screen only shows estimated distances rounded to the nearest ten. Round these numbers to unlock the next clue!

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

Awitnesssawthevillainwas

There were 66 bucket. 4 were used up. How many bucket are left?L

Scout found 16 acorn yesterday and 63 more today. How many acorn in all?A

There were 83 bucket. 37 were used up. How many bucket are left?E

There were 65 pinecone. 2 were used up. How many pinecone are left?N

Scout found 18 pinecone yesterday and 20 more today. How many pinecone in all?T

Scout found 2 bucket yesterday and 39 more today. How many bucket in all?H

Scout found 41 maple leaf yesterday and 6 more today. How many maple leaf in all?F

0/7 letters found

Clue 3

Addition

To build a climbing ladder, we must pile up all our treehouse building blocks. Add these piles together to find the total height!

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

9295

9211

6579

9295

5450

9030

5175

5776

5450

2743

8547

5450

9211

4296

9211

5375

9295

5450

5776

4200

4296

3141

5776

5686

9372

5175

9295

9372

9358

3833 + 5462 =A

4870 + 3677 =U

1183 + 1958 =H

3048 + 2728 =E

2979 + 6051 =K

5426 + 3785 =S

1794 + 949 =B

2619 + 1581 =D

6487 + 2885 =I

4154 + 2425 =P

3591 + 5767 =N

1755 + 3620 =C

2509 + 2666 =L

3508 + 2178 =V

2050 + 2246 =T

1739 + 3711 =R

0/16 letters found

Clue 4

Subtraction

The thief dropped several supplies while escaping. Subtract the dropped gear from our total inventory to see what is missing!

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

5159

2058

7345

5159

6796

5271

7345

6217

7345

8382

6495

5159

8989

8485

5159

6884

2058

4593

6658

8232

8382

5159

6796

5271

7345

6884

6495

7345

8232

7345

6110 - 951 =A

13436 - 4447 =P

10538 - 2053 =W

4676 - 83 =O

9876 - 3080 =T

11634 - 4750 =S

2612 - 554 =F

9954 - 1722 =N

9469 - 3252 =R

8090 - 1595 =C

8847 - 465 =D

7907 - 1249 =U

9152 - 1807 =E

8960 - 3689 =H

0/14 letters found

Clue 5

Division facts (1-12) — the last clue

We need to divide our scout team into equal groups to search the forest floor. Divide these numbers to plan the search!

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

96 ÷ 8 = ?

110 ÷ 11 = ?

11 ÷ 11 = ?

70 ÷ 10 = ?

20 ÷ 5 = ?

4 ÷ 2 = ?

32 ÷ 4 = ?

50 ÷ 10 = ?

77 ÷ 7 = ?

36 ÷ 12 = ?

30 ÷ 5 = ?

Step 2 — cross out the sentence with each answer

1.The villain soared down from the high branch with glider wings, then checked a pocket compass to escape.

2.The villain slid down the zipline with a rope dart, then lit up the dark hollow with a glow stone.

3.The villain bounced over the safety nets using bounce boots, then traced a path on a secret map.

4.The villain slid down the zipline with a rope dart, then scanned the canopy with a spyglass.

5.The villain bounced over the safety nets using bounce boots, then scanned the canopy with a spyglass.

6.The villain blasted a path through the leaves with a super slingshot, then alerted their crew with a brass whistle.

7.The villain slid down the zipline with a rope dart, then checked a pocket compass to escape.

8.The villain swung across the rope bridge using a grappling hook, then traced a path on a secret map.

9.The villain blasted a path through the leaves with a super slingshot, then traced a path on a secret map.

10.The villain soared down from the high branch with glider wings, then traced a path on a secret map.

11.The villain soared down from the high branch with glider wings, then lit up the dark hollow with a glow stone.

12.The villain slid down the zipline with a rope dart, then traced a path on a secret map.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Golden Spigot Mystery

Culprit: Mia (Super Slingshot · Secret Map · Left-handed launcher · Feathered cap · Sparkler burst)

Clue 1 (Rounding): "THE VILLAIN DOES NOT HAVE A SPYGLASS"
Round 719 to the nearest hundred = 700 (T) · Round 1,069 to the nearest hundred = 1100 (V) · Round 109 to the nearest ten = 110 (P) · Round 490 to the nearest hundred = 500 (L) · Round 1,279 to the nearest hundred = 1300 (S) · Round 2,294 to the nearest hundred = 2300 (G) · Round 197 to the nearest hundred = 200 (Y) · Round 286 to the nearest ten = 290 (D) · Round 1,737 to the nearest hundred = 1700 (I) · Round 279 to the nearest hundred = 300 (O) · Round 232 to the nearest ten = 230 (H) · Round 20 to the nearest ten = 20 (A) · Round 91 to the nearest ten = 90 (E) · Round 2,929 to the nearest hundred = 2900 (N)
Clue 2 (Word problems): "LEFT HANDED LAUNCHER"
There were 66 bucket. 4 were used up. How many bucket are left? = 62 (L) · Scout found 16 acorn yesterday and 63 more today. How many acorn in all? = 79 (A) · There were 83 bucket. 37 were used up. How many bucket are left? = 46 (E) · There were 65 pinecone. 2 were used up. How many pinecone are left? = 63 (N) · Scout found 18 pinecone yesterday and 20 more today. How many pinecone in all? = 38 (T) · Scout found 2 bucket yesterday and 39 more today. How many bucket in all? = 41 (H) · Scout found 41 maple leaf yesterday and 6 more today. How many maple leaf in all? = 47 (F)
Clue 3 (Addition): "A SPARKLER BURST SCARED THE VILLAIN"
3833 + 5462 = 9295 (A) · 4870 + 3677 = 8547 (U) · 1183 + 1958 = 3141 (H) · 3048 + 2728 = 5776 (E) · 2979 + 6051 = 9030 (K) · 5426 + 3785 = 9211 (S) · 1794 + 949 = 2743 (B) · 2619 + 1581 = 4200 (D) · 6487 + 2885 = 9372 (I) · 4154 + 2425 = 6579 (P) · 3591 + 5767 = 9358 (N) · 1755 + 3620 = 5375 (C) · 2509 + 2666 = 5175 (L) · 3508 + 2178 = 5686 (V) · 2050 + 2246 = 4296 (T) · 1739 + 3711 = 5450 (R)
Clue 4 (Subtraction): "A FEATHERED CAP WAS FOUND AT THE SCENE"
6110 - 951 = 5159 (A) · 13436 - 4447 = 8989 (P) · 10538 - 2053 = 8485 (W) · 4676 - 83 = 4593 (O) · 9876 - 3080 = 6796 (T) · 11634 - 4750 = 6884 (S) · 2612 - 554 = 2058 (F) · 9954 - 1722 = 8232 (N) · 9469 - 3252 = 6217 (R) · 8090 - 1595 = 6495 (C) · 8847 - 465 = 8382 (D) · 7907 - 1249 = 6658 (U) · 9152 - 1807 = 7345 (E) · 8960 - 3689 = 5271 (H)
Clue 5 (Division facts (1-12)): surviving statement (box 9) → Mia
96 ÷ 8 = 12 · 110 ÷ 11 = 10 · 11 ÷ 11 = 1 · 70 ÷ 10 = 7 · 20 ÷ 5 = 4 · 4 ÷ 2 = 2 · 32 ÷ 4 = 8 · 50 ÷ 10 = 5 · 77 ÷ 7 = 11 · 36 ÷ 12 = 3 · 30 ÷ 5 = 6

About this mystery

Grade level: Grade 4 math
Math topics: Rounding, Word problems, Addition, Subtraction, Division
Reading level: grades 3-4
Theme: The Golden Spigot Mystery — set in Canopy Grove Treehouse Kingdom
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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