Math Mysteries
🐱 CatsGrade 2Reading: grades 1-2Place valueAdditionSubtractionSkip countingMissing addends

Case of the Cat Burglar

Someone snuck into Whisker Town last night. The Kitten Princess is gone! Only a very sneaky cat could do this. Can you catch the 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
NameSuper SkillGadgetCatFur ColorWeakness
SocksSilent PawsSqueaky ToyBoy CatOrangeWater Spray
SimbaQuick ClawsSqueaky ToyGirl CatOrangeBarking Dog
WhiskersSilent PawsSqueaky ToyGirl CatOrangeBarking Dog
LunaHigh JumpLaser DotGirl CatOrangeBarking Dog
PumpkinLong WhiskersYarn LassoGirl CatOrangeWater Spray
MuffinNight EyesSqueaky ToyGirl CatOrangeCucumber
FelixLong WhiskersSqueaky ToyGirl CatGrayCucumber
LeoQuick ClawsLaser DotBoy CatOrangeBarking Dog
CleoHigh JumpYarn LassoBoy CatGrayBarking Dog
GingerNight EyesSqueaky ToyBoy CatGrayBarking Dog
BellaQuick ClawsCatnip SprayGirl CatOrangeBarking Dog
CocoLong WhiskersCatnip SprayGirl CatOrangeCucumber
TigerQuick ClawsCatnip SprayBoy CatOrangeCucumber
NalaNight EyesYarn LassoBoy CatGrayCucumber
ShadowQuick ClawsYarn LassoBoy CatBlackBarking Dog
PatchesLong WhiskersLaser DotGirl CatOrangeBarking Dog
OreoQuick ClawsCatnip SprayGirl CatBlackCucumber
PepperQuick ClawsFish BaitGirl CatBlackBarking Dog
TiggerQuick ClawsYarn LassoGirl CatGrayCucumber
SmokeyNight EyesCatnip SprayBoy CatOrangeBarking Dog
MittensHigh JumpFish BaitGirl CatGrayBarking Dog
Clue 1

Place value (tens & ones)

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
90
22
21
98
51
39
39
41
51
91
74
41
91
91
78
T
90
75
40
21
74
41
T
90
91
51
13
40
13
49
41
82
What number has 9 tens and 0 ones?T
What number has 9 tens and 8 ones?V
What number has 4 tens and 1 one?A
What number has 3 tens and 9 ones?L
What number has 2 tens and 2 ones?H
What number has 4 tens and 0 ones?S
What number has 2 tens and 1 one?E
What number has 7 tens and 5 ones?U
What number has 5 tens and 1 one?I
What number has 7 tens and 4 ones?C
What number has 4 tens and 9 ones?R
What number has 1 ten and 3 ones?P
What number has 8 tens and 2 ones?Y
What number has 9 tens and 1 one?N
What number has 7 tens and 8 ones?O
0/15 letters found
Clue 2

Addition

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
59
47
43
41
93
61
34
34
34
A
59
47
A
59
66
43
37
40
74
A
59
41
37
22
93
38
46
46
31 + 28 =A
16 + 6 =U
18 + 22 =L
28 + 46 =C
35 + 26 =E
11 + 26 =R
13 + 28 =T
15 + 32 =W
17 + 21 =O
62 + 31 =N
23 + 11 =S
34 + 32 =G
23 + 23 =F
12 + 31 =I
0/14 letters found
Clue 3

Subtraction

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
52
69
A
52
68
66
61
38
46
54
20
46
34
12
A
52
68
28
54
61
47
20
84
84
57 - 5 =A
66 - 38 =E
48 - 10 =N
100 - 34 =K
87 - 33 =D
71 - 2 =B
54 - 8 =G
100 - 32 =R
42 - 8 =S
35 - 23 =C
87 - 26 =I
81 - 34 =T
47 - 27 =O
92 - 8 =F
0/14 letters found
Clue 4

Skip counting

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
16
80
8
42
65
24
22
39
80
36
8
10
10
30
39
27
25
O
16
42
30
100
24
65
8
30
24
Skip-count by 2s — fill the blank: 2, 4, 6, 8, 10, 12, 14, ▢, 18, 20O
Skip-count by 5s — fill the blank: 5, 10, 15, 20, 25, ▢, 35, 40T
Skip-count by 3s — fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ▢, 42, 45U
Skip-count by 3s — fill the blank: 3, 6, 9, 12, 15, 18, 21, ▢, 27, 30E
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 3s — fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ▢, 30, 33C
Skip-count by 3s — fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ▢, 39, 42W
Skip-count by 10s — fill the blank: 10, 20, 30, 40, 50, 60, 70, ▢, 90, 100R
Skip-count by 2s — fill the blank: 2, 4, 6, 8, ▢, 12, 14S
Skip-count by 5s — fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ▢, 70, 75G
Skip-count by 5s — fill the blank: 5, 10, 15, 20, ▢, 30, 35K
Skip-count by 2s — fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ▢, 24, 26F
Skip-count by 2s — fill the blank: 2, 4, 6, ▢, 10, 12A
Skip-count by 10s — fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ▢, 110, 120H
0/14 letters found
Clue 5

Missing addends — the last 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
2 + ▢ = 5
5 + ▢ = 9
8 + ▢ = 15
2 + ▢ = 4
7 + ▢ = 16
1 + ▢ = 7
4 + ▢ = 16
10 + ▢ = 15
7 + ▢ = 17
6 + ▢ = 17
5 + ▢ = 6
Step 2 — cross out the sentence with each answer
1.The villain leaps over the tall fence, then tosses a squeaky toy to fool them.
2.The villain sees in the dark room, then blinds them with a laser dot.
3.The villain feels every move with its whiskers, then blinds them with a laser dot.
4.The villain scratches the lock open, then tosses a squeaky toy to fool them.
5.The villain sneaks in without a sound, then puffs catnip in the air.
6.The villain leaps over the tall fence, then lures the guard with fish.
7.The villain leaps over the tall fence, then blinds them with a laser dot.
8.The villain sneaks in without a sound, then tosses a squeaky toy to fool them.
9.The villain leaps over the tall fence, then swings away on a yarn lasso.
10.The villain leaps over the tall fence, then puffs catnip in the air.
11.The villain feels every move with its whiskers, then swings away on a yarn lasso.
12.The villain scratches the lock open, then puffs catnip in the air.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 2 math
Math topics
Place value, Addition, Subtraction, Skip counting, Missing addends
Reading level
grades 1-2
Theme
Case of the Cat Burglar — set in Whisker Town
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects