🤖 Cats, RobotsGrade 1Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Mystery of the Robo Cat Bandit
A sneaky mechanical cat snuck into the lab and stole the golden fish chip! Solve the math clues to catch the villain.
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 | Main Power | Extra Gear | Visor Status | Fur Color | Secret Weakness |
|---|---|---|---|---|---|
| Turbo | Laser Whiskers | Spark Zap | Wears Visor | Metal Silver | Catnip Spray |
| Ruby | Rocket Tail | Oil Slick | No Visor | Metal Silver | Catnip Spray |
| Circuit | Magnet Claws | Smoke Bomb | No Visor | Copper Orange | Catnip Spray |
| Rusty | Magnet Claws | Oil Slick | Wears Visor | Copper Orange | Water Blaster |
| Sprocket | Magnet Claws | Battery Blast | Wears Visor | Copper Orange | Water Blaster |
| Oliver | Sonic Meow | Spark Zap | No Visor | Metal Silver | Water Blaster |
| Gadget | Sonic Meow | Gear Shield | Wears Visor | Neon Pink | Laser Pointer |
| Whiskers | Sonic Meow | Gear Shield | No Visor | Metal Silver | Water Blaster |
| Cleo | Magnet Claws | Smoke Bomb | Wears Visor | Metal Silver | Catnip Spray |
| Barnaby | Turbo Paws | Battery Blast | Wears Visor | Neon Pink | Catnip Spray |
| Byte | Rocket Tail | Smoke Bomb | Wears Visor | Metal Silver | Catnip Spray |
| Radar | Laser Whiskers | Battery Blast | No Visor | Copper Orange | Water Blaster |
| Chip | Turbo Paws | Spark Zap | Wears Visor | Neon Pink | Catnip Spray |
| Ziggy | Sonic Meow | Smoke Bomb | Wears Visor | Metal Silver | Catnip Spray |
| Sparky | Laser Whiskers | Battery Blast | Wears Visor | Metal Silver | Catnip Spray |
| Hazel | Rocket Tail | Gear Shield | Wears Visor | Metal Silver | Laser Pointer |
| Felix | Laser Whiskers | Gear Shield | No Visor | Neon Pink | Water Blaster |
| Boots | Turbo Paws | Smoke Bomb | Wears Visor | Metal Silver | Water Blaster |
| Mittens | Magnet Claws | Battery Blast | No Visor | Metal Silver | Laser Pointer |
| Bolt | Turbo Paws | Battery Blast | No Visor | Metal Silver | Water Blaster |
| Gizmo | Sonic Meow | Spark Zap | Wears Visor | Neon Pink | Laser Pointer |
Clue 1
Addition
Count the shiny cat toy batteries added to the supply box to decode clue one.
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
17
4
14
11
15
14
19
7
8
10
2
13
2
T
17
12
2
14
11
15
2
T
17
9
11
14
13
19
T
17
T
17
14
10
8
13
20
19
11
T
17
9 + 8 =T
3 + 6 =U
4 + 11 =N
9 + 5 =E
1 + 1 =O
5 + 5 =R
2 + 5 =K
9 + 11 =L
3 + 5 =Y
3 + 8 =S
9 + 4 =B
2 + 2 =H
12 + 7 =A
3 + 9 =D
0/14 letters found
Clue 2
Subtraction
Take away the broken robot gears from the bin to reveal clue two.
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
4
8
6
19
10
2
2
2
12
W
4
12
13
18
14
W
4
8
19
13
10
1
10
9
8
2
14
15
14
19
6
17
10
7
12
6
7 - 3 =W
15 - 6 =V
19 - 1 =L
15 - 7 =I
10 - 4 =T
20 - 5 =R
5 - 4 =Y
8 - 1 =C
14 - 4 =E
19 - 6 =G
18 - 1 =H
20 - 1 =N
17 - 5 =A
16 - 2 =O
6 - 4 =S
0/15 letters found
Clue 3
Skip counting
Count the robo kitty paw prints by twos across the floor to find clue three.
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
55
28
26
140
40
25
100
8
65
22
60
25
100
42
140
25
24
60
28
S
55
28
26
140
40
25
18
S
55
25
18
28
60
25
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65S
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48C
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50Y
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26W
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32P
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35T
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75M
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22O
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70I
0/14 letters found
Clue 4
Place value
Look at the tens and ones on the robot computer screen to read clue four.
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
19
33
37
13
40
15
71
59
65
68
15
72
56
33
73
80
88
59
68
88
97
33
81
37
40
81
80
73
73
65
33
88
80
94
What number has 1 ten and 9 ones?W
What number has 8 tens and 8 ones?L
What number has 9 tens and 4 ones?B
What number has 1 ten and 3 ones?O
What number has 1 ten and 5 ones?N
What number has 7 tens and 2 ones?Y
What number has 8 tens and 1 one?R
What number has 6 tens and 8 ones?I
What number has 3 tens and 7 ones?F
What number has 3 tens and 3 ones?E
What number has 4 tens and 0 ones?U
What number has 8 tens and 0 ones?A
What number has 9 tens and 7 ones?V
What number has 7 tens and 1 one?D
What number has 5 tens and 6 ones?M
What number has 6 tens and 5 ones?H
What number has 5 tens and 9 ones?S
What number has 7 tens and 3 ones?T
0/18 letters found
Clue 5
Missing addends — the last clue
Find how many fish treats are missing from the robot dish to get clue five.
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 + ___ = 6
7 + ___ = 17
7 + ___ = 13
4 + ___ = 12
10 + ___ = 14
10 + ___ = 21
1 + ___ = 10
7 + ___ = 8
8 + ___ = 20
5 + ___ = 12
9 + ___ = 12
Step 2 — cross out the sentence with each answer
1.The villain zaps with laser whiskers, then blocks attacks with a gear shield.
2.The villain grabs metal with magnet claws, then escapes inside a smoke bomb.
3.The villain zaps with laser whiskers, then leaves behind an oil slick.
4.The villain shouts with a sonic meow, then leaves behind an oil slick.
5.The villain zaps with laser whiskers, then shocks the area with a spark zap.
6.The villain shouts with a sonic meow, then escapes inside a smoke bomb.
7.The villain runs fast on turbo paws, then shocks the area with a spark zap.
8.The villain runs fast on turbo paws, then leaves behind an oil slick.
9.The villain zooms up with a rocket tail, then leaves behind an oil slick.
10.The villain zooms up with a rocket tail, then escapes inside a smoke bomb.
11.The villain grabs metal with magnet claws, then blocks attacks with a gear shield.
12.The villain zaps with laser whiskers, then escapes inside a smoke bomb.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Robo Cat Bandit
Culprit: Cleo (Magnet Claws · Smoke Bomb · Wears Visor · Metal Silver · Catnip Spray)
- Clue 1 (Addition): "THE SNEAKY ROBOT DOES NOT USE BATTERY BLAST"9 + 8 = 17 (T) · 3 + 6 = 9 (U) · 4 + 11 = 15 (N) · 9 + 5 = 14 (E) · 1 + 1 = 2 (O) · 5 + 5 = 10 (R) · 2 + 5 = 7 (K) · 9 + 11 = 20 (L) · 3 + 5 = 8 (Y) · 3 + 8 = 11 (S) · 9 + 4 = 13 (B) · 2 + 2 = 4 (H) · 12 + 7 = 19 (A) · 3 + 9 = 12 (D)
- Clue 2 (Subtraction): "WITNESS SAW A GLOWING EYE VISOR ON THE CAT"7 - 3 = 4 (W) · 15 - 6 = 9 (V) · 19 - 1 = 18 (L) · 15 - 7 = 8 (I) · 10 - 4 = 6 (T) · 20 - 5 = 15 (R) · 5 - 4 = 1 (Y) · 8 - 1 = 7 (C) · 14 - 4 = 10 (E) · 19 - 6 = 13 (G) · 18 - 1 = 17 (H) · 20 - 1 = 19 (N) · 17 - 5 = 12 (A) · 16 - 2 = 14 (O) · 6 - 4 = 2 (S)
- Clue 3 (Skip counting): "SPRAY THEM WITH CATNIP SPRAY TO STOP IT"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (S) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (C) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (Y) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (W) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (P) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (T) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (M) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22 = 18 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70 = 60 (I)
- Clue 4 (Place value): "WE FOUND SHINY METAL SILVER FUR AT THE LAB"What number has 1 ten and 9 ones? = 19 (W) · What number has 8 tens and 8 ones? = 88 (L) · What number has 9 tens and 4 ones? = 94 (B) · What number has 1 ten and 3 ones? = 13 (O) · What number has 1 ten and 5 ones? = 15 (N) · What number has 7 tens and 2 ones? = 72 (Y) · What number has 8 tens and 1 one? = 81 (R) · What number has 6 tens and 8 ones? = 68 (I) · What number has 3 tens and 7 ones? = 37 (F) · What number has 3 tens and 3 ones? = 33 (E) · What number has 4 tens and 0 ones? = 40 (U) · What number has 8 tens and 0 ones? = 80 (A) · What number has 9 tens and 7 ones? = 97 (V) · What number has 7 tens and 1 one? = 71 (D) · What number has 5 tens and 6 ones? = 56 (M) · What number has 6 tens and 5 ones? = 65 (H) · What number has 5 tens and 9 ones? = 59 (S) · What number has 7 tens and 3 ones? = 73 (T)
- Clue 5 (Missing addends): surviving statement (box 2) → Cleo1 + ___ = 6 = 5 · 7 + ___ = 17 = 10 · 7 + ___ = 13 = 6 · 4 + ___ = 12 = 8 · 10 + ___ = 14 = 4 · 10 + ___ = 21 = 11 · 1 + ___ = 10 = 9 · 7 + ___ = 8 = 1 · 8 + ___ = 20 = 12 · 5 + ___ = 12 = 7 · 9 + ___ = 12 = 3
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Subtraction, Skip counting, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Mystery of the Robo Cat Bandit — set in Neon Paw City Robot Lab
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects