🐱 CatsGrade 6Reading: grades 5-6Place valueMultiplicationSkip countingMulti-step word problemsDivision
The Case of the Missing Golden Mouse
Someone sneaked into Whisker Haven during naptime and snatched the Golden Mouse trophy! Use your detective skills to clear the innocent kitties and catch the sneaky cat 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 | Best Skill | Favorite Toy | Paw Preference | Fur Pattern | Fear Factor |
|---|---|---|---|---|---|
| Jasper | Night Vision | Catnip Mouse | Right Paws First | Tuxedo Black | Loud Thunder |
| Ginger | Night Vision | Laser Pointer | Right Paws First | Tuxedo Black | Vacuum Cleaner |
| Barnaby | Tree Climbing | Catnip Mouse | Right Paws First | Calico Patch | Water Spray |
| Whiskers | High Jumping | Feather Wand | Right Paws First | Calico Patch | Loud Thunder |
| Oreo | Tree Climbing | Feather Wand | Right Paws First | Orange Tabby | Loud Thunder |
| Mittens | Silent Paws | Catnip Mouse | Right Paws First | Tuxedo Black | Vacuum Cleaner |
| Oliver | Tree Climbing | Laser Pointer | Right Paws First | Tuxedo Black | Vacuum Cleaner |
| Felix | High Jumping | Laser Pointer | Right Paws First | Calico Patch | Water Spray |
| Duchess | Tree Climbing | Yarn Ball | Left Paws First | Orange Tabby | Water Spray |
| Simba | Super Sniffing | Catnip Mouse | Right Paws First | Tuxedo Black | Vacuum Cleaner |
| Luna | Silent Paws | Yarn Ball | Right Paws First | Tuxedo Black | Vacuum Cleaner |
| Smokey | Night Vision | Laser Pointer | Right Paws First | Tuxedo Black | Loud Thunder |
| Shadow | Silent Paws | Catnip Mouse | Right Paws First | Calico Patch | Loud Thunder |
| Peanut | Super Sniffing | Yarn Ball | Left Paws First | Tuxedo Black | Water Spray |
| Pumpkin | High Jumping | Crinkle Ball | Left Paws First | Calico Patch | Loud Thunder |
| Pepper | Silent Paws | Crinkle Ball | Right Paws First | Orange Tabby | Loud Thunder |
| Bandit | Night Vision | Crinkle Ball | Left Paws First | Tuxedo Black | Vacuum Cleaner |
| Cleo | Tree Climbing | Crinkle Ball | Left Paws First | Tuxedo Black | Vacuum Cleaner |
| Hazel | Super Sniffing | Yarn Ball | Right Paws First | Calico Patch | Vacuum Cleaner |
| Ziggy | Tree Climbing | Laser Pointer | Left Paws First | Orange Tabby | Vacuum Cleaner |
| Milo | Silent Paws | Laser Pointer | Right Paws First | Calico Patch | Vacuum Cleaner |
Clue 1
Place value
Inspecting the digital vault lock, the digital display shows the number in the tens place to unlock clue one.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
3000
9000
300
700
100
50
50
90
100
4000
20
900
300
200
4000
900
T
3000
70
50
90
800
30
100
T
3000
9000
T
3000
9000
300
800
90
10
4000
400
90
50
50
What is the value of the 3 in 283,788?T
What is the value of the 1 in 342,810?R
What is the value of the 5 in 48,350?L
What is the value of the 4 in 52,408?B
What is the value of the 9 in 302,092?A
What is the value of the 2 in 993,205?S
What is the value of the 1 in 786,182?I
What is the value of the 9 in 619,135?H
What is the value of the 8 in 259,824?Y
What is the value of the 4 in 24,359?N
What is the value of the 3 in 81,635?W
What is the value of the 3 in 824,387?E
What is the value of the 9 in 880,984?O
What is the value of the 7 in 90,712?V
What is the value of the 2 in 34,426?D
What is the value of the 7 in 138,170?P
0/16 letters found
Clue 2
Multiplication facts (1-12)
The detective counts equal stacks of cat food cans neatly lined up in rows across the pantry 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.
W
27
12
54
50
36
56
56
56
20
W
27
55
12
108
108
20
12
50
56
54
36
45
W
27
12
54
24
120
12
22
24
54
45
20
W
27
84
12
120
56
54
3 × 9 =W
12 × 7 =F
11 × 2 =G
12 × 9 =L
5 × 9 =P
9 × 6 =T
10 × 5 =N
5 × 11 =V
12 × 10 =R
3 × 8 =H
4 × 5 =A
8 × 7 =S
1 × 12 =I
3 × 12 =E
0/14 letters found
Clue 3
Skip counting
Pawprints stretch down the long hallway, spaced out at regular intervals step after step.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
A
70
25
45
110
140
140
110
55
50
90
A
70
80
8
8
15
28
80
A
70
140
35
36
65
45
35
90
110
40
40
A
70
110
55
A
70
25
A
70
27
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80A
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35W
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25M
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100C
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60G
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65N
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32S
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110V
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33Y
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45E
0/17 letters found
Clue 4
Multi-step word problems
Inspecting the shelter logbook requires calculating total supply deliveries and daily usage.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
T
54
9
14
58
15
47
81
L
A
C
K
Shelter Volunteer earned 2 cat treats in each of 6 rounds, plus 51 bonus cat treats. Then 9 cat treats were lost. How many cat treats are left?T
There were 74 feather toys in all. 4 Rescue Crew used 8 feather toys each. The other 3 Rescue Crew shared the rest equally. How many feather toys did each of the other Rescue Crew get?X
Shelter Volunteer collected 70 cozy beds in the morning and 5 cozy beds in the afternoon, then split them equally among 5 Rescue Crew. How many cozy beds did each get?D
Shelter Volunteer collected 323 tuna cans in the morning and 1 tuna cans in the afternoon, then split them equally among 4 Rescue Crew. How many tuna cans did each get?B
Shelter Volunteer collected 8 feather toys in the morning and 19 feather toys in the afternoon, then split them equally among 3 Rescue Crew. How many feather toys did each get?U
Shelter Volunteer earned 4 cat treats in each of 4 rounds, plus 53 bonus cat treats. Then 11 cat treats were lost. How many cat treats are left?E
Shelter Volunteer filled 3 boxes with 4 tuna cans each, then found 35 more tuna cans. How many tuna cans are there in all?O
0/7 letters found
Clue 5
Division facts (1-12) — the last clue
Dividing the treat jar contents evenly among the playroom rescue cats reveals the 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
12 ÷ 12 = ?
16 ÷ 8 = ?
6 ÷ 2 = ?
36 ÷ 6 = ?
40 ÷ 4 = ?
96 ÷ 12 = ?
24 ÷ 2 = ?
44 ÷ 11 = ?
35 ÷ 7 = ?
49 ÷ 7 = ?
72 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain scaled the tall scratching post, then chased the laser pointer.
2.The villain tracked the scent across the room, then swiped the catnip mouse.
3.The villain prowled through the dark hallway, then chased the laser pointer.
4.The villain prowled through the dark hallway, then knocked over the yarn ball.
5.The villain scaled the tall scratching post, then snagged the feather wand.
6.The villain scaled the tall scratching post, then swiped the catnip mouse.
7.The villain tracked the scent across the room, then grabbed the crinkle ball.
8.The villain crept past the sleeping guards, then chased the laser pointer.
9.The villain prowled through the dark hallway, then swiped the catnip mouse.
10.The villain jumped onto the highest shelf, then snagged the feather wand.
11.The villain crept past the sleeping guards, then swiped the catnip mouse.
12.The villain tracked the scent across the room, then chased the laser pointer.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Golden Mouse
Culprit: Mittens (Silent Paws · Catnip Mouse · Right Paws First · Tuxedo Black · Vacuum Cleaner)
- Clue 1 (Place value): "THE VILLAIN DOES NOT PLAY WITH THE YARN BALL"What is the value of the 3 in 283,788? = 3000 (T) · What is the value of the 1 in 342,810? = 10 (R) · What is the value of the 5 in 48,350? = 50 (L) · What is the value of the 4 in 52,408? = 400 (B) · What is the value of the 9 in 302,092? = 90 (A) · What is the value of the 2 in 993,205? = 200 (S) · What is the value of the 1 in 786,182? = 100 (I) · What is the value of the 9 in 619,135? = 9000 (H) · What is the value of the 8 in 259,824? = 800 (Y) · What is the value of the 4 in 24,359? = 4000 (N) · What is the value of the 3 in 81,635? = 30 (W) · What is the value of the 3 in 824,387? = 300 (E) · What is the value of the 9 in 880,984? = 900 (O) · What is the value of the 7 in 90,712? = 700 (V) · What is the value of the 2 in 34,426? = 20 (D) · What is the value of the 7 in 138,170? = 70 (P)
- Clue 2 (Multiplication facts (1-12)): "WITNESS SAW VILLAIN STEP WITH RIGHT PAW FIRST"3 × 9 = 27 (W) · 12 × 7 = 84 (F) · 11 × 2 = 22 (G) · 12 × 9 = 108 (L) · 5 × 9 = 45 (P) · 9 × 6 = 54 (T) · 10 × 5 = 50 (N) · 5 × 11 = 55 (V) · 12 × 10 = 120 (R) · 3 × 8 = 24 (H) · 4 × 5 = 20 (A) · 8 × 7 = 56 (S) · 1 × 12 = 12 (I) · 3 × 12 = 36 (E)
- Clue 3 (Skip counting): "A WHIRRING VACUUM SCARED THE VILLAIN AWAY"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (A) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (W) · Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25 = 15 (M) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (C) · Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60 = 40 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (G) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (N) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (S) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (V) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (Y) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (E)
- Clue 4 (Multi-step word problems): "TUXEDO BLACK"Shelter Volunteer earned 2 cat treats in each of 6 rounds, plus 51 bonus cat treats. Then 9 cat treats were lost. How many cat treats are left? = 54 (T) · There were 74 feather toys in all. 4 Rescue Crew used 8 feather toys each. The other 3 Rescue Crew shared the rest equally. How many feather toys did each of the other Rescue Crew get? = 14 (X) · Shelter Volunteer collected 70 cozy beds in the morning and 5 cozy beds in the afternoon, then split them equally among 5 Rescue Crew. How many cozy beds did each get? = 15 (D) · Shelter Volunteer collected 323 tuna cans in the morning and 1 tuna cans in the afternoon, then split them equally among 4 Rescue Crew. How many tuna cans did each get? = 81 (B) · Shelter Volunteer collected 8 feather toys in the morning and 19 feather toys in the afternoon, then split them equally among 3 Rescue Crew. How many feather toys did each get? = 9 (U) · Shelter Volunteer earned 4 cat treats in each of 4 rounds, plus 53 bonus cat treats. Then 11 cat treats were lost. How many cat treats are left? = 58 (E) · Shelter Volunteer filled 3 boxes with 4 tuna cans each, then found 35 more tuna cans. How many tuna cans are there in all? = 47 (O)
- Clue 5 (Division facts (1-12)): surviving statement (box 11) → Mittens12 ÷ 12 = 1 · 16 ÷ 8 = 2 · 6 ÷ 2 = 3 · 36 ÷ 6 = 6 · 40 ÷ 4 = 10 · 96 ÷ 12 = 8 · 24 ÷ 2 = 12 · 44 ÷ 11 = 4 · 35 ÷ 7 = 5 · 49 ÷ 7 = 7 · 72 ÷ 8 = 9
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Place value, Multiplication, Skip counting, Multi-step word problems, Division
- Reading level
- grades 5-6
- Theme
- The Case of the Missing Golden Mouse — set in Whisker Haven Cat Sanctuary
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects