🚀 Space, CatsGrade 2Reading: grades 1-2Place valueAdditionSubtractionSkip countingMissing addends
The Case of the Missing Galaxy Tuna
Someone sneaked onto the Cosmic Cat Space Station and took all the galaxy tuna! Solve the clues to catch the sneaky space bandit.
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 | Gadget | Suit Upgrade | Glove Habit | Fur Color | Distraction |
|---|---|---|---|---|---|
| Pilot Jasper | Starlight Scope | Moon Shoes | Taps Right Glove | Silver Fur | Catnip Toy |
| Agent Nala | Starlight Scope | Moon Shoes | Taps Left Glove | Orange Fur | Yarn Ball |
| Officer Socks | Jetpack Pack | Cosmic Cloak | Taps Left Glove | Silver Fur | Yarn Ball |
| Pilot Penny | Starlight Scope | Solar Wings | Taps Left Glove | Orange Fur | Squeaky Mouse |
| Captain Whiskers | Laser Pointer | Moon Shoes | Taps Left Glove | Silver Fur | Yarn Ball |
| Captain Peanut | Astro Helmet | Moon Shoes | Taps Left Glove | Orange Fur | Catnip Toy |
| Officer Smokey | Laser Pointer | Cosmic Cloak | Taps Left Glove | Silver Fur | Squeaky Mouse |
| Pilot Luna | Astro Helmet | Turbo Thrusters | Taps Left Glove | Orange Fur | Squeaky Mouse |
| Scout Simba | Jetpack Pack | Solar Wings | Taps Left Glove | Orange Fur | Yarn Ball |
| Rover Leo | Starlight Scope | Comet Shield | Taps Right Glove | Silver Fur | Squeaky Mouse |
| Commander Ziggy | Astro Helmet | Turbo Thrusters | Taps Left Glove | Orange Fur | Catnip Toy |
| Rover Tom | Gravity Boots | Cosmic Cloak | Taps Right Glove | Silver Fur | Yarn Ball |
| Officer Cleo | Laser Pointer | Moon Shoes | Taps Left Glove | Orange Fur | Yarn Ball |
| Scout Barnaby | Astro Helmet | Moon Shoes | Taps Left Glove | Silver Fur | Yarn Ball |
| Agent Paws | Laser Pointer | Comet Shield | Taps Left Glove | Silver Fur | Yarn Ball |
| Captain Milo | Astro Helmet | Moon Shoes | Taps Right Glove | Silver Fur | Yarn Ball |
| Astronaut Mittens | Gravity Boots | Moon Shoes | Taps Left Glove | Silver Fur | Yarn Ball |
| Cadet Boots | Jetpack Pack | Solar Wings | Taps Left Glove | Orange Fur | Catnip Toy |
| Rover Chloe | Gravity Boots | Solar Wings | Taps Right Glove | Orange Fur | Squeaky Mouse |
| Major Purr | Gravity Boots | Moon Shoes | Taps Right Glove | Orange Fur | Catnip Toy |
| Cadet Hazel | Gravity Boots | Moon Shoes | Taps Right Glove | Silver Fur | Catnip Toy |
Clue 1
Place value
The control screen shows the room numbers split into tens and ones to unlock 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
39
22
77
53
58
90
65
88
T
39
65
96
77
20
90
96
T
39
11
77
58
30
58
16
96
97
77
T
39
20
22
88
77
51
65
What number has 3 tens and 9 ones?T
What number has 5 tens and 1 one?L
What number has 2 tens and 2 ones?H
What number has 8 tens and 8 ones?I
What number has 5 tens and 8 ones?A
What number has 3 tens and 0 ones?R
What number has 1 ten and 6 ones?C
What number has 9 tens and 7 ones?M
What number has 7 tens and 7 ones?E
What number has 9 tens and 6 ones?O
What number has 5 tens and 3 ones?B
What number has 9 tens and 0 ones?N
What number has 2 tens and 0 ones?S
What number has 6 tens and 5 ones?D
What number has 1 ten and 1 one?W
0/15 letters found
Clue 2
Addition
You count up all the star snacks found on the floor to see where the bandit went next.
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
23
92
82
21
77
82
45
41
46
52
45
77
69
44
T
23
T
23
45
54
21
T
23
92
82
44
84
48
82
63
T
23
68
48
27
71
82
6 + 17 =T
15 + 12 =O
28 + 18 =Y
23 + 48 =V
9 + 12 =S
47 + 21 =G
27 + 36 =F
41 + 51 =H
47 + 22 =D
24 + 30 =P
28 + 13 =K
19 + 25 =I
32 + 20 =B
26 + 19 =A
29 + 53 =E
46 + 31 =N
14 + 34 =L
31 + 53 =R
0/18 letters found
Clue 3
Subtraction
You take away the empty tuna cans from the full crate to reveal a hidden secret code.
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
57
27
A
57
76
75
64
A
57
30
30
15
79
30
30
47
45
24
89
45
14
79
47
64
A
57
75
56
79
45
76 - 19 =A
36 - 6 =L
63 - 7 =D
115 - 39 =R
28 - 1 =Y
28 - 4 =O
64 - 17 =S
106 - 17 =P
98 - 23 =N
101 - 22 =I
85 - 40 =T
48 - 33 =W
92 - 28 =B
37 - 23 =H
0/14 letters found
Clue 4
Skip counting
You count the rocket fuel canisters by twos to track the trail left behind.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
S
8
130
50
20
70
24
42
120
24
110
39
S
8
42
16
120
33
45
39
14
14
35
70
S
8
100
70
33
70
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45A
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48F
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30V
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140U
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28R
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150I
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70L
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120C
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20O
0/16 letters found
Clue 5
Missing addends — the last clue
You figure out how many more space badges are needed to fill the chest and get 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
1 + ___ = 12
1 + ___ = 8
4 + ___ = 14
5 + ___ = 10
2 + ___ = 10
8 + ___ = 20
6 + ___ = 7
3 + ___ = 7
1 + ___ = 10
5 + ___ = 11
1 + ___ = 4
Step 2 — cross out the sentence with each answer
1.The villain zapped the lock with a laser pointer, then vanished inside a cosmic cloak.
2.The villain zapped the lock with a laser pointer, then bounced high in moon shoes.
3.The villain spied the vault with a starlight scope, then vanished inside a cosmic cloak.
4.The villain zapped the lock with a laser pointer, then blocked the lights with a comet shield.
5.The villain flew to the roof with a jetpack pack, then blocked the lights with a comet shield.
6.The villain spied the vault with a starlight scope, then blocked the lights with a comet shield.
7.The villain snuck past the guard in an astro helmet, then bounced high in moon shoes.
8.The villain hopped over the wall with gravity boots, then blocked the lights with a comet shield.
9.The villain hopped over the wall with gravity boots, then vanished inside a cosmic cloak.
10.The villain flew to the roof with a jetpack pack, then vanished inside a cosmic cloak.
11.The villain hopped over the wall with gravity boots, then bounced high in moon shoes.
12.The villain flew to the roof with a jetpack pack, then sped away using turbo thrusters.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Galaxy Tuna
Culprit: Captain Whiskers (Laser Pointer · Moon Shoes · Taps Left Glove · Silver Fur · Yarn Ball)
- Clue 1 (Place value): "THE BANDIT DOES NOT WEAR A COMET SHIELD"What number has 3 tens and 9 ones? = 39 (T) · What number has 5 tens and 1 one? = 51 (L) · What number has 2 tens and 2 ones? = 22 (H) · What number has 8 tens and 8 ones? = 88 (I) · What number has 5 tens and 8 ones? = 58 (A) · What number has 3 tens and 0 ones? = 30 (R) · What number has 1 ten and 6 ones? = 16 (C) · What number has 9 tens and 7 ones? = 97 (M) · What number has 7 tens and 7 ones? = 77 (E) · What number has 9 tens and 6 ones? = 96 (O) · What number has 5 tens and 3 ones? = 53 (B) · What number has 9 tens and 0 ones? = 90 (N) · What number has 2 tens and 0 ones? = 20 (S) · What number has 6 tens and 5 ones? = 65 (D) · What number has 1 ten and 1 one? = 11 (W)
- Clue 2 (Addition): "THE SNEAKY BANDIT TAPS THEIR LEFT GLOVE"6 + 17 = 23 (T) · 15 + 12 = 27 (O) · 28 + 18 = 46 (Y) · 23 + 48 = 71 (V) · 9 + 12 = 21 (S) · 47 + 21 = 68 (G) · 27 + 36 = 63 (F) · 41 + 51 = 92 (H) · 47 + 22 = 69 (D) · 24 + 30 = 54 (P) · 28 + 13 = 41 (K) · 19 + 25 = 44 (I) · 32 + 20 = 52 (B) · 26 + 19 = 45 (A) · 29 + 53 = 82 (E) · 46 + 31 = 77 (N) · 14 + 34 = 48 (L) · 31 + 53 = 84 (R)
- Clue 3 (Subtraction): "A YARN BALL WILL STOP THIS BANDIT"76 - 19 = 57 (A) · 36 - 6 = 30 (L) · 63 - 7 = 56 (D) · 115 - 39 = 76 (R) · 28 - 1 = 27 (Y) · 28 - 4 = 24 (O) · 64 - 17 = 47 (S) · 106 - 17 = 89 (P) · 98 - 23 = 75 (N) · 101 - 22 = 79 (I) · 85 - 40 = 45 (T) · 48 - 33 = 15 (W) · 92 - 28 = 64 (B) · 37 - 23 = 14 (H)
- Clue 4 (Skip counting): "SILVER FUR WAS FOUND AT THE SCENE"Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (A) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (F) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (V) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (U) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (R) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (I) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70 = 50 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (C) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (D) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (O)
- Clue 5 (Missing addends): surviving statement (box 2) → Captain Whiskers1 + ___ = 12 = 11 · 1 + ___ = 8 = 7 · 4 + ___ = 14 = 10 · 5 + ___ = 10 = 5 · 2 + ___ = 10 = 8 · 8 + ___ = 20 = 12 · 6 + ___ = 7 = 1 · 3 + ___ = 7 = 4 · 1 + ___ = 10 = 9 · 5 + ___ = 11 = 6 · 1 + ___ = 4 = 3
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 Case of the Missing Galaxy Tuna — set in Cosmic Cat Space Station
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects