Math Mysteries
🐱 CatsGrade 3Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Great Catnip Caper

The Golden Catnip has been swiped from the Purrfield Cafe! The sneaky Cat Burglar left pawprints all over the climbing trees. It is up to you to crack the codes, check the clues, and find the naughty kitty who did it.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameFavorite ToySuper SkillSocks TraitFur ColorDistraction
CleoSqueaky MouseCardboard Box HidingNo White SocksCalico PatchesWarm Sunny Spots
SocksYarn Ball LauncherCardboard Box HidingNo White SocksSleek Black FurShiny Foil Balls
LunaLaser PointerWall ClimbingNo White SocksSleek Black FurWarm Sunny Spots
SmokeySqueaky MouseWall ClimbingNo White SocksSleek Black FurCrinkly Paper Bags
LuckyFeather WandSuper LeapingNo White SocksSleek Black FurWarm Sunny Spots
BootsCatnip MistWall ClimbingNo White SocksSleek Black FurWarm Sunny Spots
CocoYarn Ball LauncherNight VisionNo White SocksSleek Black FurWarm Sunny Spots
GizmoFeather WandWall ClimbingNo White SocksSleek Black FurShiny Foil Balls
SimbaSqueaky MouseCardboard Box HidingWears White SocksOrange Tabby StripesCrinkly Paper Bags
OliverCatnip MistNight VisionNo White SocksCalico PatchesShiny Foil Balls
MiloYarn Ball LauncherSilent PurringNo White SocksSleek Black FurWarm Sunny Spots
TiggerYarn Ball LauncherNight VisionNo White SocksCalico PatchesCrinkly Paper Bags
BusterSqueaky MouseSuper LeapingWears White SocksSleek Black FurCrinkly Paper Bags
ChloeCatnip MistSuper LeapingWears White SocksSleek Black FurWarm Sunny Spots
ShadowCatnip MistCardboard Box HidingWears White SocksSleek Black FurWarm Sunny Spots
FelixLaser PointerSuper LeapingWears White SocksSleek Black FurCrinkly Paper Bags
GarfieldFeather WandWall ClimbingWears White SocksCalico PatchesWarm Sunny Spots
SylvesterCatnip MistSuper LeapingNo White SocksOrange Tabby StripesWarm Sunny Spots
OscarYarn Ball LauncherCardboard Box HidingNo White SocksCalico PatchesShiny Foil Balls
MittensFeather WandSuper LeapingWears White SocksOrange Tabby StripesShiny Foil Balls
BellaSqueaky MouseCardboard Box HidingNo White SocksOrange Tabby StripesWarm Sunny Spots
Clue 1

Rounding

The yarn ball counter was knocked over. The machine only shows a rounded number of yards. Round this number to find the 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
200
800
40
60
30
8000
8000
5000
30
400
2000
700
40
3000
400
700
T
200
800
5000
60
40
400
30
9000
800
T
200
60
30
3000
30
700
400
Round 190 to the nearest hundredT
Round 5,390 to the nearest thousandA
Round 652 to the nearest hundredO
Round 42 to the nearest tenE
Round 28 to the nearest tenI
Round 9,067 to the nearest thousandG
Round 8,480 to the nearest thousandL
Round 828 to the nearest hundredH
Round 1,771 to the nearest thousandD
Round 397 to the nearest hundredN
Round 2,950 to the nearest thousandS
Round 61 to the nearest tenV
0/12 letters found
Clue 2

Addition

We found some dropped toy mice in the play hallway. Let us add up all the mice we found to see where the suspect went.

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
959
796
432
249
864
859
249
692
322
806
T
959
410
796
864
461
806
917
859
796
322
T
959
432
917
385
T
959
918
322
806
432
410
481 + 478 =T
141 + 291 =E
196 + 214 =S
128 + 121 =P
474 + 332 =N
146 + 239 =U
582 + 282 =A
138 + 184 =I
480 + 316 =H
595 + 264 =W
281 + 411 =R
352 + 566 =L
259 + 202 =D
432 + 485 =O
0/14 letters found
Clue 3

Subtraction

The cafe vault started with a big stack of tuna cans. Some were taken. Subtract the missing cans to find 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
348
309
386
264
301
386
617
120
888
831
617
T
348
551
386
330
330
617
264
330
386
386
365
646
301
T
348
309
386
264
564
301
430 - 82 =T
565 - 256 =H
701 - 315 =E
369 - 249 =K
627 - 63 =U
895 - 64 =C
600 - 270 =L
331 - 67 =S
1229 - 341 =Y
649 - 348 =N
711 - 346 =P
703 - 57 =I
943 - 326 =A
821 - 270 =F
0/14 letters found
Clue 4

Multiplication facts (1-12)

Boxes of catnip treats are stacked in even rows on the shelf. Multiply the rows by the columns to count them and get a 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.

D
36
77
32
108
24
10
90
108
60
110
144
32
8
77
24
110
25
144
3
D
36
25
3
40
1
14
32
144
121
4 × 9 =D
11 × 11 =G
12 × 12 =U
4 × 6 =S
9 × 10 =L
10 × 11 =F
1 × 1 =H
7 × 2 =E
4 × 2 =W
1 × 3 =N
4 × 8 =R
4 × 10 =T
2 × 5 =I
5 × 5 =O
10 × 6 =Y
9 × 12 =K
7 × 11 =A
0/17 letters found
Clue 5

Division facts (1-12) — the last clue

The kittens want to share the milk bowls equally. Divide the bowls among the hungry cats to unlock 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
100 ÷ 10 = ?
11 ÷ 11 = ?
44 ÷ 11 = ?
132 ÷ 12 = ?
45 ÷ 5 = ?
42 ÷ 6 = ?
5 ÷ 1 = ?
132 ÷ 11 = ?
21 ÷ 7 = ?
42 ÷ 7 = ?
18 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain waved a fuzzy feather wand, then leaped over the velvet counter.
2.The villain waved a fuzzy feather wand, then scaled up the tall climbing wall.
3.The villain squeaked a toy mouse, then hid inside a cardboard box.
4.The villain fired a yarn ball launcher, then purred softly to blend in.
5.The villain sprayed sweet catnip mist, then purred softly to blend in.
6.The villain shined a red laser pointer, then purred softly to blend in.
7.The villain shined a red laser pointer, then guided the way using night vision.
8.The villain sprayed sweet catnip mist, then scaled up the tall climbing wall.
9.The villain sprayed sweet catnip mist, then leaped over the velvet counter.
10.The villain shined a red laser pointer, then scaled up the tall climbing wall.
11.The villain sprayed sweet catnip mist, then hid inside a cardboard box.
12.The villain squeaked a toy mouse, then scaled up the tall climbing wall.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Rounding, Addition, Subtraction, Multiplication, Division
Reading level
grades 3-4
Theme
The Great Catnip Caper — set in Purrfield Cat Cafe
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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