🐱 CatsGrade 4Reading: grades 3-4Place valueAdditionSubtractionRoundingDivision
The Great Whisker Haven Mystery
Someone snuck into the Purrfect Pines Cat Sanctuary last night and hid all the prize catnip mice! Detective Pawprint needs your help to crack the code and find the 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 | Favorite Toy | Favorite Snack | Collar Bell | Fur Pattern | Distraction |
|---|---|---|---|---|---|
| Smokey | Feather Wand | Cat Grass | Silver Bell | Solid Black | Flashlight Beam |
| Oreo | Laser Pointer | Cat Grass | Gold Bell | Orange Tabby | Squeaky Toy |
| Bella | Catnip Mouse | Warm Milk | Silver Bell | Orange Tabby | Crinkle Paper |
| Felix | Catnip Mouse | Warm Milk | Silver Bell | Solid Black | Squeaky Toy |
| Tiger | Laser Pointer | Salmon Treats | Gold Bell | Orange Tabby | Flashlight Beam |
| Gizmo | Scratch Post | Cat Grass | Gold Bell | Orange Tabby | Crinkle Paper |
| Barnaby | Feather Wand | Cat Grass | Silver Bell | Orange Tabby | Flashlight Beam |
| Milo | Laser Pointer | Warm Milk | Gold Bell | Orange Tabby | Flashlight Beam |
| Penelope | Laser Pointer | Chicken Paste | Silver Bell | Solid Black | Crinkle Paper |
| Hazel | Yarn Ball | Salmon Treats | Gold Bell | Calico Stripes | Crinkle Paper |
| Peanut | Feather Wand | Tuna Bites | Silver Bell | Orange Tabby | Flashlight Beam |
| Leo | Feather Wand | Warm Milk | Gold Bell | Solid Black | Crinkle Paper |
| Socks | Yarn Ball | Cat Grass | Gold Bell | Orange Tabby | Flashlight Beam |
| Nala | Feather Wand | Tuna Bites | Gold Bell | Orange Tabby | Flashlight Beam |
| Shadow | Scratch Post | Salmon Treats | Gold Bell | Calico Stripes | Flashlight Beam |
| Whiskers | Laser Pointer | Salmon Treats | Silver Bell | Orange Tabby | Flashlight Beam |
| Oliver | Feather Wand | Chicken Paste | Silver Bell | Calico Stripes | Squeaky Toy |
| Simba | Catnip Mouse | Chicken Paste | Gold Bell | Orange Tabby | Flashlight Beam |
| Ziggy | Scratch Post | Cat Grass | Gold Bell | Solid Black | Flashlight Beam |
| Luna | Yarn Ball | Salmon Treats | Silver Bell | Orange Tabby | Crinkle Paper |
| Charlie | Scratch Post | Warm Milk | Silver Bell | Calico Stripes | Flashlight Beam |
Clue 1
Place value
Detective Pawprint inspects the number codes carved into the cat tree. Understanding the hundreds place reveals your first 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
50
600
80
300
800
80
200
900
8000
3000
9000
4000
2000
500
80
9000
60
70
60
800
4000
T
50
60
9000
70
800
900
2000
200
9000
1000
1000
70
500
900
What is the value of the 5 in 357?T
What is the value of the 3 in 93,905?P
What is the value of the 2 in 92,459?W
What is the value of the 9 in 5,928?K
What is the value of the 9 in 9,434?R
What is the value of the 5 in 568?L
What is the value of the 8 in 486?E
What is the value of the 7 in 3,676?I
What is the value of the 1 in 41,563?M
What is the value of the 6 in 8,697?H
What is the value of the 2 in 287?A
What is the value of the 6 in 7,364?D
What is the value of the 8 in 48,640?Y
What is the value of the 8 in 866?N
What is the value of the 3 in 371?S
What is the value of the 4 in 4,667?O
0/16 letters found
Clue 2
Addition
The detective adds up all the kibble bowls counted in the storage room to track where the intruder walked.
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
5289
3701
5673
8089
4381
8272
4113
4381
6328
3408
8306
3701
2589
3408
3408
6678
8089
5426
4381
3408
2589
8306
8089
5426
4113
8272
2589
8272
A
5289
3408
3408
9885
A
5289
3676
1681 + 3608 =A
3346 + 4743 =I
4194 + 4078 =H
2449 + 1252 =B
2968 + 1413 =G
2259 + 1417 =Y
4387 + 2291 =J
4605 + 5280 =W
2489 + 2937 =N
1143 + 1446 =E
2962 + 3366 =O
1290 + 2118 =L
2337 + 3336 =R
4196 + 4110 =D
2795 + 1318 =T
0/15 letters found
Clue 3
Subtraction
Comparing the total fish treats before and after the raid shows how many went 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.
T
7108
4973
4911
3437
3632
1688
3355
8349
4394
T
7108
3437
4973
3860
4105
4911
8479
3860
7929
8349
4394
1323
4973
T
7108
3767
1688
3860
4105
4973
1688
4394
1323
4973
T
7108
7929
4911
3860
2841
11027 - 3919 =T
8997 - 4892 =S
3340 - 2017 =G
8202 - 4847 =P
6797 - 3165 =U
12230 - 3751 =D
10630 - 2701 =B
4251 - 1410 =M
4556 - 789 =F
4613 - 219 =I
4889 - 1029 =A
10694 - 2345 =R
3552 - 1864 =L
4865 - 1428 =C
5064 - 153 =E
6273 - 1300 =H
0/16 letters found
Clue 4
Rounding
The shelter security screen only displays rounded cat nap times on its digital timer.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
O
2900
50
2300
130
20
170
500
2300
7000
7000
3700
70
1700
50
2000
2300
3000
3000
130
2300
20
20
170
30
O
2900
130
500
5000
170
30
O
2900
O
2900
50
Round 2,929 to the nearest hundredO
Round 67 to the nearest tenF
Round 5,321 to the nearest thousandH
Round 53 to the nearest tenR
Round 126 to the nearest tenN
Round 2,270 to the nearest hundredA
Round 506 to the nearest hundredT
Round 3,155 to the nearest thousandS
Round 7,083 to the nearest thousandB
Round 3,743 to the nearest hundredY
Round 2,481 to the nearest thousandW
Round 170 to the nearest tenE
Round 30 to the nearest tenD
Round 1,698 to the nearest hundredU
Round 21 to the nearest tenG
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
Sharing the rescued toys equally among the foster kittens helps uncover 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
90 ÷ 10 = ?
6 ÷ 1 = ?
27 ÷ 9 = ?
80 ÷ 8 = ?
35 ÷ 5 = ?
20 ÷ 5 = ?
108 ÷ 9 = ?
12 ÷ 12 = ?
11 ÷ 1 = ?
5 ÷ 1 = ?
64 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain scratched a scratch post, then gobbled tuna bites.
2.The villain rolled a yarn ball, then chewed cat grass.
3.The villain flashed a laser pointer, then munched salmon treats.
4.The villain swiped a catnip mouse, then chewed cat grass.
5.The villain swiped a catnip mouse, then sipped warm milk.
6.The villain swung a feather wand, then gobbled tuna bites.
7.The villain flashed a laser pointer, then gobbled tuna bites.
8.The villain rolled a yarn ball, then munched salmon treats.
9.The villain swiped a catnip mouse, then tasted chicken paste.
10.The villain swiped a catnip mouse, then munched salmon treats.
11.The villain swung a feather wand, then munched salmon treats.
12.The villain rolled a yarn ball, then tasted chicken paste.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Whisker Haven Mystery
Culprit: Socks (Yarn Ball · Cat Grass · Gold Bell · Orange Tabby · Flashlight Beam)
- Clue 1 (Place value): "THE SNEAKY PROWLER DID NOT DRINK WARM MILK"What is the value of the 5 in 357? = 50 (T) · What is the value of the 3 in 93,905? = 3000 (P) · What is the value of the 2 in 92,459? = 2000 (W) · What is the value of the 9 in 5,928? = 900 (K) · What is the value of the 9 in 9,434? = 9000 (R) · What is the value of the 5 in 568? = 500 (L) · What is the value of the 8 in 486? = 80 (E) · What is the value of the 7 in 3,676? = 70 (I) · What is the value of the 1 in 41,563? = 1000 (M) · What is the value of the 6 in 8,697? = 600 (H) · What is the value of the 2 in 287? = 200 (A) · What is the value of the 6 in 7,364? = 60 (D) · What is the value of the 8 in 48,640? = 8000 (Y) · What is the value of the 8 in 866? = 800 (N) · What is the value of the 3 in 371? = 300 (S) · What is the value of the 4 in 4,667? = 4000 (O)
- Clue 2 (Addition): "A BRIGHT GOLD BELL JINGLED IN THE HALLWAY"1681 + 3608 = 5289 (A) · 3346 + 4743 = 8089 (I) · 4194 + 4078 = 8272 (H) · 2449 + 1252 = 3701 (B) · 2968 + 1413 = 4381 (G) · 2259 + 1417 = 3676 (Y) · 4387 + 2291 = 6678 (J) · 4605 + 5280 = 9885 (W) · 2489 + 2937 = 5426 (N) · 1143 + 1446 = 2589 (E) · 2962 + 3366 = 6328 (O) · 1290 + 2118 = 3408 (L) · 2337 + 3336 = 5673 (R) · 4196 + 4110 = 8306 (D) · 2795 + 1318 = 4113 (T)
- Clue 3 (Subtraction): "THE CULPRIT CHASED A BRIGHT FLASHLIGHT BEAM"11027 - 3919 = 7108 (T) · 8997 - 4892 = 4105 (S) · 3340 - 2017 = 1323 (G) · 8202 - 4847 = 3355 (P) · 6797 - 3165 = 3632 (U) · 12230 - 3751 = 8479 (D) · 10630 - 2701 = 7929 (B) · 4251 - 1410 = 2841 (M) · 4556 - 789 = 3767 (F) · 4613 - 219 = 4394 (I) · 4889 - 1029 = 3860 (A) · 10694 - 2345 = 8349 (R) · 3552 - 1864 = 1688 (L) · 4865 - 1428 = 3437 (C) · 5064 - 153 = 4911 (E) · 6273 - 1300 = 4973 (H)
- Clue 4 (Rounding): "ORANGE TABBY FUR WAS SNAGGED ON THE DOOR"Round 2,929 to the nearest hundred = 2900 (O) · Round 67 to the nearest ten = 70 (F) · Round 5,321 to the nearest thousand = 5000 (H) · Round 53 to the nearest ten = 50 (R) · Round 126 to the nearest ten = 130 (N) · Round 2,270 to the nearest hundred = 2300 (A) · Round 506 to the nearest hundred = 500 (T) · Round 3,155 to the nearest thousand = 3000 (S) · Round 7,083 to the nearest thousand = 7000 (B) · Round 3,743 to the nearest hundred = 3700 (Y) · Round 2,481 to the nearest thousand = 2000 (W) · Round 170 to the nearest ten = 170 (E) · Round 30 to the nearest ten = 30 (D) · Round 1,698 to the nearest hundred = 1700 (U) · Round 21 to the nearest ten = 20 (G)
- Clue 5 (Division facts (1-12)): surviving statement (box 2) → Socks90 ÷ 10 = 9 · 6 ÷ 1 = 6 · 27 ÷ 9 = 3 · 80 ÷ 8 = 10 · 35 ÷ 5 = 7 · 20 ÷ 5 = 4 · 108 ÷ 9 = 12 · 12 ÷ 12 = 1 · 11 ÷ 1 = 11 · 5 ÷ 1 = 5 · 64 ÷ 8 = 8
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Place value, Addition, Subtraction, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Great Whisker Haven Mystery — set in Purrfect Pines Cat Sanctuary
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects