🐱 CatsGrade 6Reading: grades 5-6PercentagesExponentsOrder of operationsMultiplicationDivision

The Case of the Missing Golden Mouse

Someone snatched the Grand Champion Golden Mouse Trophy right off the judging table during the annual feline festival! Detective Whiskers needs your math skills to decode the clues and catch the sneaky 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	Specialty	Accessory	Paw Preference	Fur Pattern	Distraction
Simba	Catnip Crafting	Feather Wand	Left Pawed	Calico Stripes	Tuna Treats
Cleo	Yarn Untangling	Squeaky Toy	Left Pawed	Calico Stripes	Tuna Treats
Milo	Silent Stalking	Silver Bell Collar	Right Pawed	Calico Stripes	Tuna Treats
Hazel	Yarn Untangling	Silver Bell Collar	Right Pawed	Siamese Point	Tuna Treats
Zelda	High Jumping	Squeaky Toy	Right Pawed	Calico Stripes	Warm Sunbeams
Peanut	High Jumping	Squeaky Toy	Right Pawed	Tuxedo Black	Squeaky Mice
Shadow	Silent Stalking	Squeaky Toy	Left Pawed	Tuxedo Black	Warm Sunbeams
Oliver	High Jumping	Squeaky Toy	Right Pawed	Tuxedo Black	Warm Sunbeams
Nala	Yarn Untangling	Silver Bell Collar	Right Pawed	Tuxedo Black	Squeaky Mice
Daisy	Laser Chasing	Silver Bell Collar	Left Pawed	Siamese Point	Tuna Treats
Bella	Yarn Untangling	Feather Wand	Left Pawed	Calico Stripes	Tuna Treats
Jasper	High Jumping	Silver Bell Collar	Left Pawed	Calico Stripes	Tuna Treats
Chester	Catnip Crafting	Gemmed Harness	Left Pawed	Siamese Point	Tuna Treats
Felix	Silent Stalking	Velvet Bowtie	Right Pawed	Siamese Point	Warm Sunbeams
Duchess	Catnip Crafting	Feather Wand	Left Pawed	Calico Stripes	Squeaky Mice
Barnaby	Yarn Untangling	Silver Bell Collar	Right Pawed	Calico Stripes	Tuna Treats
Gizmo	Yarn Untangling	Velvet Bowtie	Left Pawed	Siamese Point	Warm Sunbeams
Whiskers	Yarn Untangling	Silver Bell Collar	Left Pawed	Calico Stripes	Tuna Treats
Iggy	Laser Chasing	Squeaky Toy	Left Pawed	Calico Stripes	Tuna Treats
Smokey	Silent Stalking	Velvet Bowtie	Right Pawed	Tuxedo Black	Tuna Treats
Mittens	Silent Stalking	Silver Bell Collar	Right Pawed	Tuxedo Black	Squeaky Mice

Clue 1

Percentages

The security team surveyed the grand hall and calculated the percentage of paw prints left near the empty display.

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

5% of 580 =T

25% of 176 =K

20% of 175 =C

40% of 35 =Y

20% of 160 =Q

25% of 100 =N

60% of 55 =U

50% of 10 =E

40% of 5 =V

5% of 860 =D

40% of 95 =H

50% of 14 =L

5% of 80 =R

25% of 72 =I

75% of 4 =S

20% of 40 =A

10% of 300 =O

0/17 letters found

Clue 2

Exponents

A digital fur scanner powered up expanding its beam in exponential steps across the arena floor.

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

324

400

100

324

100

400

100

324

400

196

400

18^2 =W

4^2 =S

14^2 =D

20^2 =E

7^2 =I

2^5 =T

6^2 =N

10^2 =A

3^3 =F

2^2 =L

3^2 =P

0/11 letters found

Clue 3

Order of operations

Detective Whiskers followed a complex multistep list of instructions to unlock the hidden diary.

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

25 + 6 × 5 =T

53 + 2 × 4 =S

17 + 2 × 5 =I

2 × 12 - 1 =O

5 × 10 - 19 =E

8 + 3 × 3 =K

6 × 11 - 15 =N

10 × 3 - 12 =W

19 + 8 × 7 =H

1 + 4 × 2 =A

26 + 3 × 2 =Y

3 × 5 - 7 =U

6 + 2 × 2 =R

6 × 10 - 10 =B

1 + 2 × 3 =D

3 × 12 - 20 =C

0/16 letters found

Clue 4

Multiplication facts (1-12)

The judging committee counted equal rows of scratch marks found along the wooden stage.

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

5 × 10 =F

9 × 10 =I

10 × 2 =D

7 × 5 =P

9 × 4 =C

3 × 1 =A

9 × 6 =R

10 × 11 =S

8 × 4 =L

11 × 2 =H

3 × 10 =O

5 × 1 =T

4 × 4 =E

2 × 1 =N

9 × 5 =U

0/15 letters found

Clue 5

Division facts (1-12) — the last clue

The reward treats were split evenly among the witness kittens to gather final statements.

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

9 ÷ 3 = ?

72 ÷ 6 = ?

96 ÷ 12 = ?

16 ÷ 8 = ?

42 ÷ 7 = ?

10 ÷ 2 = ?

84 ÷ 12 = ?

11 ÷ 1 = ?

4 ÷ 1 = ?

63 ÷ 7 = ?

100 ÷ 10 = ?

Step 2 — cross out the sentence with each answer

1.The villain crawled inside the air duct, then waved a shiny feather wand.

2.The villain crawled inside the air duct, then adjusted a neat velvet bowtie.

3.The villain crawled inside the air duct, then jingled a silver bell collar.

4.The villain snapped the glass case lock, then squeaked a toy mouse loudly.

5.The villain sneaked past the security guard, then jingled a silver bell collar.

6.The villain pounced across the display table, then flashed a glittery gemmed harness.

7.The villain snapped the glass case lock, then waved a shiny feather wand.

8.The villain sneaked past the security guard, then waved a shiny feather wand.

9.The villain leaped through the high window, then jingled a silver bell collar.

10.The villain leaped through the high window, then flashed a glittery gemmed harness.

11.The villain crawled inside the air duct, then flashed a glittery gemmed harness.

12.The villain snapped the glass case lock, then jingled a silver bell collar.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Case of the Missing Golden Mouse

Culprit: Bella (Yarn Untangling · Feather Wand · Left Pawed · Calico Stripes · Tuna Treats)

Clue 1 (Percentages): "THE VILLAIN DOES NOT CARRY A SQUEAKY TOY"
5% of 580 = 29 (T) · 25% of 176 = 44 (K) · 20% of 175 = 35 (C) · 40% of 35 = 14 (Y) · 20% of 160 = 32 (Q) · 25% of 100 = 25 (N) · 60% of 55 = 33 (U) · 50% of 10 = 5 (E) · 40% of 5 = 2 (V) · 5% of 860 = 43 (D) · 40% of 95 = 38 (H) · 50% of 14 = 7 (L) · 5% of 80 = 4 (R) · 25% of 72 = 18 (I) · 75% of 4 = 3 (S) · 20% of 40 = 8 (A) · 10% of 300 = 30 (O)
Clue 2 (Exponents): "WITNESSES SAW A LEFT PAWED FELINE"
18^2 = 324 (W) · 4^2 = 16 (S) · 14^2 = 196 (D) · 20^2 = 400 (E) · 7^2 = 49 (I) · 2^5 = 32 (T) · 6^2 = 36 (N) · 10^2 = 100 (A) · 3^3 = 27 (F) · 2^2 = 4 (L) · 3^2 = 9 (P)
Clue 3 (Order of operations): "THE CROOK WAS DISTRACTED BY TUNA TREATS"
25 + 6 × 5 = 55 (T) · 53 + 2 × 4 = 61 (S) · 17 + 2 × 5 = 27 (I) · 2 × 12 - 1 = 23 (O) · 5 × 10 - 19 = 31 (E) · 8 + 3 × 3 = 17 (K) · 6 × 11 - 15 = 51 (N) · 10 × 3 - 12 = 18 (W) · 19 + 8 × 7 = 75 (H) · 1 + 4 × 2 = 9 (A) · 26 + 3 × 2 = 32 (Y) · 3 × 5 - 7 = 8 (U) · 6 + 2 × 2 = 10 (R) · 6 × 10 - 10 = 50 (B) · 1 + 2 × 3 = 7 (D) · 3 × 12 - 20 = 16 (C)
Clue 4 (Multiplication facts (1-12)): "FUR FOUND AT SCENE HAS CALICO STRIPES"
5 × 10 = 50 (F) · 9 × 10 = 90 (I) · 10 × 2 = 20 (D) · 7 × 5 = 35 (P) · 9 × 4 = 36 (C) · 3 × 1 = 3 (A) · 9 × 6 = 54 (R) · 10 × 11 = 110 (S) · 8 × 4 = 32 (L) · 11 × 2 = 22 (H) · 3 × 10 = 30 (O) · 5 × 1 = 5 (T) · 4 × 4 = 16 (E) · 2 × 1 = 2 (N) · 9 × 5 = 45 (U)
Clue 5 (Division facts (1-12)): surviving statement (box 1) → Bella
9 ÷ 3 = 3 · 72 ÷ 6 = 12 · 96 ÷ 12 = 8 · 16 ÷ 8 = 2 · 42 ÷ 7 = 6 · 10 ÷ 2 = 5 · 84 ÷ 12 = 7 · 11 ÷ 1 = 11 · 4 ÷ 1 = 4 · 63 ÷ 7 = 9 · 100 ÷ 10 = 10

About this mystery

Grade level: Grade 6 math
Math topics: Percentages, Exponents, Order of operations, Multiplication, Division
Reading level: grades 5-6
Theme: The Case of the Missing Golden Mouse — set in The Annual Purrfect Paw Championship
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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