🐱 CatsGrade 5Reading: grades 5-6Place valueMultiplicationSkip countingAdditionDivision

The Great Whisker Harbor Heist

Just minutes before the grand ceremony at the Whisker Harbor Cat Show, someone swiped the priceless Golden Mouse Trophy! Detective, gather evidence around the hall to catch the sneaky burglar.

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	Primary Skill	Gadget	Dominant Paw	Fur Pattern	Distraction
Duchess	High Jumping	Laser Pointer	Left Pawed	Solid Black	Tuna Treat
Oliver	Silent Prowling	Catnip Sprayer	Right Pawed	Solid Black	Cardboard Box
Felix	Night Vision	Laser Pointer	Left Pawed	Calico Patches	Cardboard Box
Cleo	High Jumping	Yarn Launcher	Right Pawed	Calico Patches	Cardboard Box
Garfield	Wall Scrambling	Catnip Sprayer	Left Pawed	Solid Black	Cardboard Box
Sylvester	High Jumping	Feather Wand	Left Pawed	Tabby Stripes	Cardboard Box
Penelope	Night Vision	Laser Pointer	Left Pawed	Solid Black	Bell Collar
Stimpy	High Jumping	Yarn Launcher	Right Pawed	Solid Black	Cardboard Box
Milo	Wall Scrambling	Catnip Sprayer	Left Pawed	Calico Patches	Cardboard Box
Crookshanks	Night Vision	Laser Pointer	Right Pawed	Calico Patches	Cardboard Box
Figaro	Silent Prowling	Feather Wand	Right Pawed	Solid Black	Cardboard Box
Jasper	Silent Prowling	Yarn Launcher	Right Pawed	Solid Black	Bell Collar
Berlioz	Sprint Dashing	Yarn Launcher	Right Pawed	Solid Black	Cardboard Box
Tom	Sprint Dashing	Squeaky Mouse	Right Pawed	Calico Patches	Tuna Treat
Socks	High Jumping	Yarn Launcher	Left Pawed	Solid Black	Tuna Treat
Barnaby	Night Vision	Yarn Launcher	Right Pawed	Calico Patches	Cardboard Box
Hobbes	High Jumping	Laser Pointer	Right Pawed	Tabby Stripes	Cardboard Box
Mitten	High Jumping	Laser Pointer	Right Pawed	Calico Patches	Cardboard Box
Salem	Night Vision	Yarn Launcher	Right Pawed	Tabby Stripes	Bell Collar
Snowball	High Jumping	Laser Pointer	Left Pawed	Solid Black	Cardboard Box
Toulouse	Night Vision	Squeaky Mouse	Right Pawed	Solid Black	Cardboard Box

Clue 1

Place value

We decoded the place value digits on the security keypad to reveal a key gadget 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.

300

900

5000

700

5000

600

200

700

400

700

5000

3000

300

5000

700

300

400

700

5000

800

5000

300

900

5000

What is the value of the 3 in 58,317?T

What is the value of the 1 in 425,914?D

What is the value of the 4 in 268,043?A

What is the value of the 3 in 163,046?C

What is the value of the 6 in 835,615?K

What is the value of the 5 in 715,103?E

What is the value of the 9 in 30,973?H

What is the value of the 3 in 872,539?N

What is the value of the 4 in 69,493?U

What is the value of the 2 in 199,825?W

What is the value of the 7 in 44,573?O

What is the value of the 2 in 15,211?Y

What is the value of the 7 in 992,780?S

What is the value of the 8 in 926,813?F

What is the value of the 9 in 814,192?P

What is the value of the 8 in 54,586?R

0/16 letters found

Clue 2

Multiplication facts (1-12)

By solving the multiplication grid of paw prints on the stage, we tracked the suspect's habits.

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

100

9 × 1 =T

5 × 9 =H

8 × 8 =K

10 × 8 =G

10 × 10 =R

2 × 11 =A

5 × 7 =O

8 × 12 =S

7 × 1 =P

10 × 9 =M

10 × 2 =E

10 × 7 =W

5 × 10 =N

11 × 1 =I

3 × 12 =L

1 × 5 =C

0/16 letters found

Clue 3

Skip counting

Skip counting the rhythmic paw taps down the hallway revealed another suspicious detail.

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

120

110

120

130

110

Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35T

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90O

Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30X

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21Y

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36S

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150I

Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12U

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130C

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39L

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140E

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80D

Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45H

Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65A

Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48N

Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70B

Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30R

0/16 letters found

Clue 4

Addition

Adding up the total fur fibers collected near the scene pointed toward a specific trait.

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

7773

2925

2650

6499

8579

5663

9671

5951

4859

2650

8521

9124

2650

3025

7289

7036

5494

9124

9890

6571

7289

4859

5067

9124

7036

5494

4859

2925

2650

9890

6499

6571

3840 + 3933 =B

1655 + 1370 =G

2528 + 2331 =W

1542 + 1108 =A

4411 + 4713 =N

1882 + 1043 =L

3875 + 5796 =U

3179 + 3392 =H

2175 + 4861 =D

3833 + 1830 =F

5143 + 3436 =K

3814 + 2137 =R

3817 + 4704 =S

4396 + 2893 =E

2760 + 2307 =I

2282 + 3212 =O

6879 + 3011 =T

4111 + 2388 =C

0/18 letters found

Clue 5

Division facts (1-12) — the last clue

Dividing the leftover evidence evenly into sample bags uncovered the final secret.

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

44 ÷ 4 = ?

32 ÷ 4 = ?

120 ÷ 10 = ?

42 ÷ 7 = ?

40 ÷ 4 = ?

24 ÷ 8 = ?

4 ÷ 2 = ?

9 ÷ 9 = ?

30 ÷ 6 = ?

28 ÷ 4 = ?

48 ÷ 12 = ?

Step 2 — cross out the sentence with each answer

1.The villain prowled through the dark hall, then squeaked a fake mouse to trip the alarm.

2.The villain prowled through the dark hall, then shot yarn to tangle the security traps.

3.The villain prowled through the dark hall, then waved a feather wand to confuse the crowd.

4.The villain scrambled up the curtain, then sprayed catnip to distract the guards.

5.The villain scrambled up the curtain, then blinded the guard with a laser pointer.

6.The villain dashed across the showroom floor, then sprayed catnip to distract the guards.

7.The villain jumped onto the high ledge, then sprayed catnip to distract the guards.

8.The villain jumped onto the high ledge, then shot yarn to tangle the security traps.

9.The villain dashed across the showroom floor, then shot yarn to tangle the security traps.

10.The villain navigated the pitch black room, then waved a feather wand to confuse the crowd.

11.The villain navigated the pitch black room, then squeaked a fake mouse to trip the alarm.

12.The villain prowled through the dark hall, then sprayed catnip to distract the guards.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Great Whisker Harbor Heist

Culprit: Berlioz (Sprint Dashing · Yarn Launcher · Right Pawed · Solid Black · Cardboard Box)

Clue 1 (Place value): "THE SNEAKY SUSPECT DOES NOT USE A FEATHER WAND"
What is the value of the 3 in 58,317? = 300 (T) · What is the value of the 1 in 425,914? = 10 (D) · What is the value of the 4 in 268,043? = 40 (A) · What is the value of the 3 in 163,046? = 3000 (C) · What is the value of the 6 in 835,615? = 600 (K) · What is the value of the 5 in 715,103? = 5000 (E) · What is the value of the 9 in 30,973? = 900 (H) · What is the value of the 3 in 872,539? = 30 (N) · What is the value of the 4 in 69,493? = 400 (U) · What is the value of the 2 in 199,825? = 20 (W) · What is the value of the 7 in 44,573? = 70 (O) · What is the value of the 2 in 15,211? = 200 (Y) · What is the value of the 7 in 992,780? = 700 (S) · What is the value of the 8 in 926,813? = 800 (F) · What is the value of the 9 in 814,192? = 90 (P) · What is the value of the 8 in 54,586? = 80 (R)
Clue 2 (Multiplication facts (1-12)): "TRACKS SHOW THEM LEANING ON THE RIGHT PAW"
9 × 1 = 9 (T) · 5 × 9 = 45 (H) · 8 × 8 = 64 (K) · 10 × 8 = 80 (G) · 10 × 10 = 100 (R) · 2 × 11 = 22 (A) · 5 × 7 = 35 (O) · 8 × 12 = 96 (S) · 7 × 1 = 7 (P) · 10 × 9 = 90 (M) · 10 × 2 = 20 (E) · 10 × 7 = 70 (W) · 5 × 10 = 50 (N) · 11 × 1 = 11 (I) · 3 × 12 = 36 (L) · 1 × 5 = 5 (C)
Clue 3 (Skip counting): "THEY COULD NOT RESIST A CARDBOARD BOX"
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (T) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (O) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (X) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (Y) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36 = 30 (S) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (U) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (C) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80 = 60 (D) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (A) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (N) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70 = 50 (B) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (R)
Clue 4 (Addition): "BLACK FUR WAS SNAGGED ON THE WINDOW LATCH"
3840 + 3933 = 7773 (B) · 1655 + 1370 = 3025 (G) · 2528 + 2331 = 4859 (W) · 1542 + 1108 = 2650 (A) · 4411 + 4713 = 9124 (N) · 1882 + 1043 = 2925 (L) · 3875 + 5796 = 9671 (U) · 3179 + 3392 = 6571 (H) · 2175 + 4861 = 7036 (D) · 3833 + 1830 = 5663 (F) · 5143 + 3436 = 8579 (K) · 3814 + 2137 = 5951 (R) · 3817 + 4704 = 8521 (S) · 4396 + 2893 = 7289 (E) · 2760 + 2307 = 5067 (I) · 2282 + 3212 = 5494 (O) · 6879 + 3011 = 9890 (T) · 4111 + 2388 = 6499 (C)
Clue 5 (Division facts (1-12)): surviving statement (box 9) → Berlioz
44 ÷ 4 = 11 · 32 ÷ 4 = 8 · 120 ÷ 10 = 12 · 42 ÷ 7 = 6 · 40 ÷ 4 = 10 · 24 ÷ 8 = 3 · 4 ÷ 2 = 2 · 9 ÷ 9 = 1 · 30 ÷ 6 = 5 · 28 ÷ 4 = 7 · 48 ÷ 12 = 4

About this mystery

Grade level: Grade 5 math
Math topics: Place value, Multiplication, Skip counting, Addition, Division
Reading level: grades 5-6
Theme: The Great Whisker Harbor Heist — set in Whisker Harbor Championship Cat Show
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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