🐱 CatsGrade 2Reading: grades 1-2Place valueWord problemsAdditionSubtractionMissing addends
The Case of the Missing Golden Fish
A sneaky cat swiped the Mayor's Golden Fish statue from the park! Work through the clue math to find out which crafty cat took 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
| Name | Cat Skill | Favorite Toy | Paw Lead | Fur Pattern | Big Fear |
|---|---|---|---|---|---|
| Shadow | Super Leap | Silver Bell | Right Pawed | Tabby Stripes | Vacuum Noise |
| Luna | Night Vision | Catnip Pouch | Right Pawed | Calico Patch | Cucumber Trap |
| Ziggy | Mega Purr | Silver Bell | Right Pawed | Tuxedo Suit | Water Sprayer |
| Hazel | Laser Dash | Squeaky Mouse | Left Pawed | Tabby Stripes | Cucumber Trap |
| Gizmo | Wall Climb | Squeaky Mouse | Left Pawed | Calico Patch | Water Sprayer |
| Smokey | Laser Dash | Yarn Ball | Left Pawed | Tabby Stripes | Cucumber Trap |
| Barnaby | Super Leap | Squeaky Mouse | Left Pawed | Tuxedo Suit | Cucumber Trap |
| Felix | Mega Purr | Yarn Ball | Right Pawed | Calico Patch | Cucumber Trap |
| Sylvester | Super Leap | Yarn Ball | Right Pawed | Tabby Stripes | Cucumber Trap |
| Simba | Wall Climb | Feather Wand | Right Pawed | Calico Patch | Water Sprayer |
| Cleo | Laser Dash | Silver Bell | Right Pawed | Tabby Stripes | Water Sprayer |
| Jasper | Super Leap | Feather Wand | Right Pawed | Tuxedo Suit | Cucumber Trap |
| Mochi | Super Leap | Silver Bell | Right Pawed | Tabby Stripes | Cucumber Trap |
| Tom | Night Vision | Catnip Pouch | Right Pawed | Calico Patch | Water Sprayer |
| Oreo | Super Leap | Catnip Pouch | Right Pawed | Tabby Stripes | Water Sprayer |
| Oliver | Laser Dash | Squeaky Mouse | Right Pawed | Tuxedo Suit | Cucumber Trap |
| Mittens | Mega Purr | Catnip Pouch | Right Pawed | Tabby Stripes | Cucumber Trap |
| Whiskers | Mega Purr | Feather Wand | Right Pawed | Tabby Stripes | Cucumber Trap |
| Bella | Laser Dash | Squeaky Mouse | Right Pawed | Tabby Stripes | Cucumber Trap |
| Socks | Super Leap | Catnip Pouch | Right Pawed | Calico Patch | Water Sprayer |
| Nala | Super Leap | Catnip Pouch | Right Pawed | Tuxedo Suit | Vacuum Noise |
Clue 1
Place value
Keeper Kit read a story problem to count lost cat treats.
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
55
31
97
21
59
78
78
16
59
52
67
26
97
94
52
26
T
55
63
94
97
T
55
31
97
13
16
24
52
84
16
78
78
What number has 5 tens and 5 ones?T
What number has 2 tens and 4 ones?R
What number has 3 tens and 1 one?H
What number has 2 tens and 6 ones?O
What number has 9 tens and 7 ones?E
What number has 8 tens and 4 ones?B
What number has 9 tens and 4 ones?S
What number has 5 tens and 2 ones?N
What number has 5 tens and 9 ones?I
What number has 7 tens and 8 ones?L
What number has 1 ten and 3 ones?Y
What number has 2 tens and 1 one?V
What number has 6 tens and 3 ones?U
What number has 6 tens and 7 ones?D
What number has 1 ten and 6 ones?A
0/15 letters found
Clue 2
Word problems
Keeper Kit checked the digital collar code in tens and ones.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
R
29
21
26
33
25
14
10
W
E
D
There were 32 scratch posts. 3 were used up. How many scratch posts are left?R
There were 31 bell collars. 6 were used up. How many bell collars are left?T
Detective Whiskers found 26 bell collars yesterday and 7 more today. How many bell collars in all?H
Detective Whiskers found 11 cat treats yesterday and 3 more today. How many cat treats in all?P
Detective Whiskers found 14 scratch posts yesterday and 12 more today. How many scratch posts in all?G
Detective Whiskers found 4 toy mice yesterday and 6 more today. How many toy mice in all?A
Detective Whiskers found 9 scratch posts yesterday and 12 more today. How many scratch posts in all?I
0/7 letters found
Clue 3
Addition
Keeper Kit added up all the paw prints found near the bench.
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
57
92
90
21
70
64
58
50
53
64
35
89
35
58
90
35
T
57
92
90
81
70
81
70
28
21
90
64
T
57
64
53
48
24 + 33 =T
60 + 32 =H
33 + 31 =R
26 + 63 =O
54 + 36 =E
24 + 34 =G
38 + 15 =A
56 + 25 =C
20 + 8 =M
26 + 22 =P
36 + 34 =U
17 + 18 =D
13 + 8 =B
32 + 18 =L
0/14 letters found
Clue 4
Subtraction
Keeper Kit subtracted the spilled bowls to see what was 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
67
89
52
65
52
T
67
52
60
T
67
35
19
52
86
85
83
70
65
T
67
59
44
44
42
66
T
67
61
35
47
52
66
86
83
61
106 - 39 =T
122 - 37 =O
102 - 36 =S
98 - 39 =A
88 - 2 =F
66 - 1 =D
77 - 33 =B
89 - 19 =N
59 - 40 =V
77 - 16 =R
57 - 10 =P
78 - 18 =C
74 - 32 =Y
71 - 36 =I
72 - 20 =E
107 - 24 =U
112 - 23 =H
0/17 letters found
Clue 5
Missing addends — the last clue
Keeper Kit found how many more treats were needed to fill the jar.
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
8 + ___ = 20
5 + ___ = 12
2 + ___ = 4
2 + ___ = 12
5 + ___ = 10
2 + ___ = 10
4 + ___ = 7
5 + ___ = 9
6 + ___ = 15
3 + ___ = 9
5 + ___ = 16
Step 2 — cross out the sentence with each answer
1.The villain purred loud to distract the guard, then swung a feather wand.
2.The villain leapt high over the park fence, then jingled a silver bell.
3.The villain snuck past the dark trees, then jingled a silver bell.
4.The villain dashed fast like a laser beam, then dropped a catnip pouch.
5.The villain leapt high over the park fence, then dropped a catnip pouch.
6.The villain dashed fast like a laser beam, then swung a feather wand.
7.The villain dashed fast like a laser beam, then squeaked a toy mouse.
8.The villain purred loud to distract the guard, then squeaked a toy mouse.
9.The villain climbed up the high brick wall, then dropped a catnip pouch.
10.The villain climbed up the high brick wall, then squeaked a toy mouse.
11.The villain snuck past the dark trees, then rolled a yarn ball.
12.The villain purred loud to distract the guard, then dropped a catnip pouch.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Golden Fish
Culprit: Whiskers (Mega Purr · Feather Wand · Right Pawed · Tabby Stripes · Cucumber Trap)
- Clue 1 (Place value): "THE VILLAIN DOES NOT USE THE YARN BALL"What number has 5 tens and 5 ones? = 55 (T) · What number has 2 tens and 4 ones? = 24 (R) · What number has 3 tens and 1 one? = 31 (H) · What number has 2 tens and 6 ones? = 26 (O) · What number has 9 tens and 7 ones? = 97 (E) · What number has 8 tens and 4 ones? = 84 (B) · What number has 9 tens and 4 ones? = 94 (S) · What number has 5 tens and 2 ones? = 52 (N) · What number has 5 tens and 9 ones? = 59 (I) · What number has 7 tens and 8 ones? = 78 (L) · What number has 1 ten and 3 ones? = 13 (Y) · What number has 2 tens and 1 one? = 21 (V) · What number has 6 tens and 3 ones? = 63 (U) · What number has 6 tens and 7 ones? = 67 (D) · What number has 1 ten and 6 ones? = 16 (A)
- Clue 2 (Word problems): "RIGHT PAWED"There were 32 scratch posts. 3 were used up. How many scratch posts are left? = 29 (R) · There were 31 bell collars. 6 were used up. How many bell collars are left? = 25 (T) · Detective Whiskers found 26 bell collars yesterday and 7 more today. How many bell collars in all? = 33 (H) · Detective Whiskers found 11 cat treats yesterday and 3 more today. How many cat treats in all? = 14 (P) · Detective Whiskers found 14 scratch posts yesterday and 12 more today. How many scratch posts in all? = 26 (G) · Detective Whiskers found 4 toy mice yesterday and 6 more today. How many toy mice in all? = 10 (A) · Detective Whiskers found 9 scratch posts yesterday and 12 more today. How many scratch posts in all? = 21 (I)
- Clue 3 (Addition): "THE BURGLAR DODGED THE CUCUMBER TRAP"24 + 33 = 57 (T) · 60 + 32 = 92 (H) · 33 + 31 = 64 (R) · 26 + 63 = 89 (O) · 54 + 36 = 90 (E) · 24 + 34 = 58 (G) · 38 + 15 = 53 (A) · 56 + 25 = 81 (C) · 20 + 8 = 28 (M) · 26 + 22 = 48 (P) · 36 + 34 = 70 (U) · 17 + 18 = 35 (D) · 13 + 8 = 21 (B) · 32 + 18 = 50 (L)
- Clue 4 (Subtraction): "THE DETECTIVE FOUND TABBY STRIPES FUR"106 - 39 = 67 (T) · 122 - 37 = 85 (O) · 102 - 36 = 66 (S) · 98 - 39 = 59 (A) · 88 - 2 = 86 (F) · 66 - 1 = 65 (D) · 77 - 33 = 44 (B) · 89 - 19 = 70 (N) · 59 - 40 = 19 (V) · 77 - 16 = 61 (R) · 57 - 10 = 47 (P) · 78 - 18 = 60 (C) · 74 - 32 = 42 (Y) · 71 - 36 = 35 (I) · 72 - 20 = 52 (E) · 107 - 24 = 83 (U) · 112 - 23 = 89 (H)
- Clue 5 (Missing addends): surviving statement (box 1) → Whiskers8 + ___ = 20 = 12 · 5 + ___ = 12 = 7 · 2 + ___ = 4 = 2 · 2 + ___ = 12 = 10 · 5 + ___ = 10 = 5 · 2 + ___ = 10 = 8 · 4 + ___ = 7 = 3 · 5 + ___ = 9 = 4 · 6 + ___ = 15 = 9 · 3 + ___ = 9 = 6 · 5 + ___ = 16 = 11
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Word problems, Addition, Subtraction, Missing addends
- Reading level
- grades 1-2
- Theme
- The Case of the Missing Golden Fish — set in Purrlington Cat Park
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects