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

The Kitty Cafe Mystery

Oh no! Someone swiped the Golden Fish Treat from the Purr Palace kitchen! The head chef needs your help to find 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
Namespecial skillsneaky toolboy or girlfur typedistraction
Sockshigh jumpfake mouseboy catcurly coattuna snack
Daisysilent creepfish bonegirl catcurly coatpaper bag
Leosilent creepfake mousegirl catshort coatlaser dot
Luckywall climbshiny bellgirl catcurly coatpaper bag
Maxsuper pounceyarn ballgirl catcurly coatpaper bag
Bellafast sprintyarn ballboy catshort coatlaser dot
Mistyhigh jumpyarn ballgirl catcurly coattuna snack
Sassysuper pouncefish bonegirl catshort coattuna snack
Gingerhigh jumpfish boneboy catcurly coatpaper bag
Jaspersilent creepyarn ballgirl catfluffy coatlaser dot
Oscarfast sprintshiny bellgirl catcurly coatpaper bag
Lolasuper pounceshiny bellgirl catshort coatpaper bag
Milosilent creepfeather wandboy catcurly coatlaser dot
Fluffysuper pouncefake mouseboy catshort coatpaper bag
Oliversilent creepfeather wandgirl catcurly coatpaper bag
Peanutsilent creepshiny bellboy catfluffy coattuna snack
Tigerwall climbfeather wandgirl catfluffy coatpaper bag
Smokeysuper pouncefish boneboy catcurly coatlaser dot
Tobysilent creepfeather wandgirl catshort coatlaser dot
Cookiefast sprintfake mousegirl catshort coattuna snack
Barnabywall climbfish boneboy catfluffy coattuna snack
Clue 1

Place value (tens & ones)

The hotel camera took a picture of the suspect. To unlock the screen, you must look at the blocks. How many tens and ones are there?

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

N
43
62
45
16
98
83
93
16
89
27
98
N
43
28
What number has 4 tens and 3 ones?N
What number has 9 tens and 3 ones?H
What number has 1 ten and 6 ones?E
What number has 4 tens and 5 ones?F
What number has 2 tens and 8 ones?D
What number has 2 tens and 7 ones?W
What number has 9 tens and 8 ones?A
What number has 8 tens and 3 ones?T
What number has 6 tens and 2 ones?O
What number has 8 tens and 9 ones?R
0/10 letters found
Clue 2

Addition

We found some paw prints in the kitchen. Let us count them. We add the front prints to the back prints to find the total.

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
96
89
93
52
61
93
85
28
57
T
96
89
41
93
22
41
52
85
38
41
69
42
52 + 44 =T
19 + 33 =S
16 + 22 =G
6 + 16 =F
21 + 20 =I
30 + 55 =A
15 + 13 =K
60 + 29 =H
24 + 33 =Y
29 + 13 =L
65 + 28 =E
38 + 31 =R
38 + 23 =N
0/13 letters found
Clue 3

Subtraction

The thief knocked over a jar of cat treats. There were some treats on the floor, but a puppy ate some. Let us subtract to see how many are left.

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
47
29
12
12
14
87
29
74
12
36
32
14
32
53
19
13
14
15
T
47
29
T
47
39
53
76
85 - 38 =T
50 - 18 =P
15 - 2 =B
66 - 37 =O
25 - 10 =G
92 - 5 =N
74 - 21 =E
52 - 33 =R
28 - 16 =S
52 - 13 =H
42 - 28 =A
79 - 3 =M
39 - 3 =Y
100 - 26 =I
0/14 letters found
Clue 4

Skip counting

The thief ran up the stairs. We can count the steps by twos. Skip count to find the top 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.

W
8
35
36
6
12
55
130
90
12
60
33
25
70
18
50
60
18
39
39
70
35
14
90
35
55
35
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110C
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45E
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42F
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150D
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70R
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35Y
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10O
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45T
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65N
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90H
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24A
0/16 letters found
Clue 5

Missing addends — the last clue

We have six toy mice, but we need ten to set a trap. How many more toy mice do we need to find?

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
3 + ___ = 6
4 + ___ = 13
4 + ___ = 15
3 + ___ = 4
4 + ___ = 9
10 + ___ = 16
1 + ___ = 9
8 + ___ = 20
3 + ___ = 10
10 + ___ = 14
7 + ___ = 9
Step 2 — cross out the sentence with each answer
1.The villain scales the tall scratching post, then rolls a ball of yarn.
2.The villain leaps over the velvet sofa, then rolls a ball of yarn.
3.The villain pounces onto the food counter, then rolls a ball of yarn.
4.The villain leaps over the velvet sofa, then shakes a shiny bell.
5.The villain leaps over the velvet sofa, then drops a fake mouse.
6.The villain dashes through the lobby, then drops a fake mouse.
7.The villain sneaks past the sleeping guard, then shakes a shiny bell.
8.The villain dashes through the lobby, then chews on a dry fish bone.
9.The villain dashes through the lobby, then shakes a shiny bell.
10.The villain sneaks past the sleeping guard, then chews on a dry fish bone.
11.The villain scales the tall scratching post, then shakes a shiny bell.
12.The villain pounces onto the food counter, then shakes a shiny bell.
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
The Kitty Cafe Mystery — set in Purr Palace
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects