🐱 CatsGrade 4Reading: grades 3-4SubtractionRoundingAdditionMultiplicationDivision
The Case of the Missing Golden Fish
The Golden Fish Statue has vanished from the Kitty City Museum! Mayor Meow needs the best paw on the case. Use your math skills to help our top detective sniff out the tricky 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 | Super Skill | Secret Gadget | Favorite Paw | Coat Color | Distraction |
|---|---|---|---|---|---|
| Sylvester | Night Vision | Catnip Bomb | Left Pawed | Calico Patches | Crinkly Paper |
| Gizmo | Wall Climb | Laser Pointer | Left Pawed | Orange Tabby | Warm Sunshine |
| Felix | Super Jump | Laser Pointer | Left Pawed | Orange Tabby | Warm Sunshine |
| Tom | Super Purr | Yarn Launcher | Left Pawed | Sleek Black | Warm Sunshine |
| Luna | Super Jump | Yarn Launcher | Left Pawed | Orange Tabby | Crinkly Paper |
| Socks | Super Purr | Catnip Bomb | Left Pawed | Orange Tabby | Warm Sunshine |
| Rusty | Silent Sneak | Yarn Launcher | Left Pawed | Sleek Black | Warm Sunshine |
| Milo | Night Vision | Laser Pointer | Left Pawed | Orange Tabby | Warm Sunshine |
| Shadow | Silent Sneak | Catnip Bomb | Right Pawed | Orange Tabby | Squeaky Toys |
| Oreo | Silent Sneak | Laser Pointer | Left Pawed | Orange Tabby | Squeaky Toys |
| Cleo | Night Vision | Fish Drone | Right Pawed | Sleek Black | Warm Sunshine |
| Pumpkin | Night Vision | Catnip Bomb | Right Pawed | Calico Patches | Crinkly Paper |
| Lucy | Super Purr | Fish Drone | Left Pawed | Calico Patches | Squeaky Toys |
| Whiskers | Super Purr | Yarn Launcher | Right Pawed | Calico Patches | Squeaky Toys |
| Smokey | Night Vision | Yarn Launcher | Left Pawed | Calico Patches | Warm Sunshine |
| Mittens | Wall Climb | Feather Shield | Left Pawed | Orange Tabby | Squeaky Toys |
| Boots | Super Purr | Catnip Bomb | Right Pawed | Sleek Black | Warm Sunshine |
| Bella | Super Purr | Fish Drone | Left Pawed | Sleek Black | Warm Sunshine |
| Loki | Night Vision | Laser Pointer | Right Pawed | Orange Tabby | Warm Sunshine |
| Simba | Wall Climb | Fish Drone | Left Pawed | Orange Tabby | Warm Sunshine |
| Garfield | Super Purr | Fish Drone | Right Pawed | Calico Patches | Crinkly Paper |
Clue 1
Subtraction
Detective Mittens counts the museum fish treats. Some are missing! Subtract the stolen ones to find a clue about the thief's gear.
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
5996
8162
8774
2531
8848
2909
2909
6778
8848
8141
5965
4769
8774
5700
8141
4769
T
5996
8279
5700
8774
6778
6008
8848
5700
8162
5965
6821
4769
8141
8774
8285 - 2289 =T
8208 - 2508 =S
9992 - 3171 =R
13162 - 5000 =H
5278 - 2747 =V
5394 - 2485 =L
10434 - 4426 =F
6800 - 835 =D
11126 - 2847 =U
11613 - 4835 =A
11043 - 2195 =I
4932 - 163 =O
10665 - 1891 =E
9702 - 1561 =N
0/14 letters found
Clue 2
Rounding
A security camera scanned the thief's weight, but the screen is dusty. Round the weight to the nearest ten to unlock the next 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.
T
2900
110
430
900
2000
900
50
430
130
T
2900
370
430
200
T
2900
370
430
200
T
2900
50
700
90
50
290
300
7000
T
2900
900
Round 2,894 to the nearest hundredT
Round 433 to the nearest tenE
Round 181 to the nearest hundredF
Round 111 to the nearest tenH
Round 92 to the nearest tenW
Round 292 to the nearest tenR
Round 6,772 to the nearest thousandN
Round 890 to the nearest hundredS
Round 372 to the nearest tenL
Round 131 to the nearest tenC
Round 741 to the nearest hundredA
Round 1,996 to the nearest thousandU
Round 50 to the nearest tenP
Round 276 to the nearest hundredI
0/14 letters found
Clue 3
Addition
The detective finds clues in the paw prints left in the sandbox. Add up all the muddy prints to see which paw the burglar used.
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
7921
9571
2798
T
7921
9571
4984
2798
7040
7040
2798
3431
3431
5371
2923
3431
2798
2798
2017
4984
6605
2923
5270
6605
2923
9571
4984
6605
2798
4985 + 2936 =T
1243 + 774 =P
2135 + 2849 =I
3369 + 3236 =N
1509 + 1922 =L
1610 + 1313 =S
1952 + 3318 =U
4410 + 2630 =F
1942 + 3429 =A
1837 + 961 =E
4708 + 4863 =H
0/11 letters found
Clue 4
Multiplication facts (1-12)
The museum shelves hold rows of catnip cans. Multiply the rows by the cans in each row to find the thief's biggest weakness!
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
8
27
9
63
72
44
18
63
54
32
44
55
27
30
32
28
28
110
9
72
54
32
30
30
84
27
99
64
27
44
27
4 × 2 =W
7 × 4 =B
9 × 1 =F
9 × 3 =E
9 × 8 =U
10 × 3 =T
12 × 7 =H
11 × 5 =G
11 × 10 =Y
9 × 2 =D
11 × 4 =N
11 × 9 =S
4 × 8 =A
8 × 8 =C
7 × 9 =O
9 × 6 =R
0/16 letters found
Clue 5
Division facts (1-12) — the last clue
We have a pile of shiny collars to share equally among the suspect search groups. Divide them up to reveal the thief's fur color!
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
110 ÷ 10 = ?
90 ÷ 9 = ?
84 ÷ 12 = ?
96 ÷ 8 = ?
40 ÷ 10 = ?
72 ÷ 8 = ?
40 ÷ 5 = ?
7 ÷ 7 = ?
12 ÷ 2 = ?
24 ÷ 8 = ?
55 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain knocked over the giant milk jug, then scampered over the backyard fence.
2.The villain swiped the shiny golden fish trophy, then escaped out the tiny window.
3.The villain swiped the shiny golden fish trophy, then dashed into the dark alley.
4.The villain knocked over the giant milk jug, then climbed up the tall oak tree.
5.The villain unraveled the grand ball of yarn, then scratched the velvet couch.
6.The villain swiped the shiny golden fish trophy, then scampered over the backyard fence.
7.The villain stole the queen cat precious tiara, then escaped out the tiny window.
8.The villain swiped the shiny golden fish trophy, then scratched the velvet couch.
9.The villain stole the queen cat precious tiara, then climbed up the tall oak tree.
10.The villain unraveled the grand ball of yarn, then escaped out the tiny window.
11.The villain snatched the royal salmon treat, then scratched the velvet couch.
12.The villain stole the queen cat precious tiara, then scratched the velvet couch.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Golden Fish
Culprit: Felix (Super Jump · Laser Pointer · Left Pawed · Orange Tabby · Warm Sunshine)
- Clue 1 (Subtraction): "THE VILLAIN DOES NOT USE A FISH DRONE"8285 - 2289 = 5996 (T) · 8208 - 2508 = 5700 (S) · 9992 - 3171 = 6821 (R) · 13162 - 5000 = 8162 (H) · 5278 - 2747 = 2531 (V) · 5394 - 2485 = 2909 (L) · 10434 - 4426 = 6008 (F) · 6800 - 835 = 5965 (D) · 11126 - 2847 = 8279 (U) · 11613 - 4835 = 6778 (A) · 11043 - 2195 = 8848 (I) · 4932 - 163 = 4769 (O) · 10665 - 1891 = 8774 (E) · 9702 - 1561 = 8141 (N)
- Clue 2 (Rounding): "THE SUSPECT LEFT LEFT PAW PRINTS"Round 2,894 to the nearest hundred = 2900 (T) · Round 433 to the nearest ten = 430 (E) · Round 181 to the nearest hundred = 200 (F) · Round 111 to the nearest ten = 110 (H) · Round 92 to the nearest ten = 90 (W) · Round 292 to the nearest ten = 290 (R) · Round 6,772 to the nearest thousand = 7000 (N) · Round 890 to the nearest hundred = 900 (S) · Round 372 to the nearest ten = 370 (L) · Round 131 to the nearest ten = 130 (C) · Round 741 to the nearest hundred = 700 (A) · Round 1,996 to the nearest thousand = 2000 (U) · Round 50 to the nearest ten = 50 (P) · Round 276 to the nearest hundred = 300 (I)
- Clue 3 (Addition): "THE THIEF FELL ASLEEP IN SUNSHINE"4985 + 2936 = 7921 (T) · 1243 + 774 = 2017 (P) · 2135 + 2849 = 4984 (I) · 3369 + 3236 = 6605 (N) · 1509 + 1922 = 3431 (L) · 1610 + 1313 = 2923 (S) · 1952 + 3318 = 5270 (U) · 4410 + 2630 = 7040 (F) · 1942 + 3429 = 5371 (A) · 1837 + 961 = 2798 (E) · 4708 + 4863 = 9571 (H)
- Clue 4 (Multiplication facts (1-12)): "WE FOUND ORANGE TABBY FUR AT THE SCENE"4 × 2 = 8 (W) · 7 × 4 = 28 (B) · 9 × 1 = 9 (F) · 9 × 3 = 27 (E) · 9 × 8 = 72 (U) · 10 × 3 = 30 (T) · 12 × 7 = 84 (H) · 11 × 5 = 55 (G) · 11 × 10 = 110 (Y) · 9 × 2 = 18 (D) · 11 × 4 = 44 (N) · 11 × 9 = 99 (S) · 4 × 8 = 32 (A) · 8 × 8 = 64 (C) · 7 × 9 = 63 (O) · 9 × 6 = 54 (R)
- Clue 5 (Division facts (1-12)): surviving statement (box 2) → Felix110 ÷ 10 = 11 · 90 ÷ 9 = 10 · 84 ÷ 12 = 7 · 96 ÷ 8 = 12 · 40 ÷ 10 = 4 · 72 ÷ 8 = 9 · 40 ÷ 5 = 8 · 7 ÷ 7 = 1 · 12 ÷ 2 = 6 · 24 ÷ 8 = 3 · 55 ÷ 11 = 5
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Subtraction, Rounding, Addition, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Golden Fish — set in The Kitty City Museum of Art
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects