🚀 Dinosaurs, Cats, SpaceGrade 4Reading: grades 3-4AdditionRoundingSubtractionMultiplicationDivision
The Great Space-Cat Heist
Oh no! A sneaky Astro-Cat has swiped the Golden T-Rex Fossil from the Star-Claw Museum! The suspect escaped into the cosmic jungles of Dino-Prime. We must use our math skills to scan the pawprints, gadgets, and clues to find the bandit before they escape the galaxy!
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 | Dino-Suit Upgrade | Cosmic Gadget | Active Paw | Spacesuit Fur Color | Distraction Toy |
|---|---|---|---|---|---|
| Laika Whiskers | Pterodactyl Glider | Laser Pointer Beam | Left Paw Dominant | Nebula Gray | Squeaky Toy Mouse |
| Rexy Paw | Raptor Speed Boots | Cosmic Yarn Ball | Left Paw Dominant | Calico Orange | Shiny Laser Dot |
| Nova Nibbles | Triceratops Shield | Gravity Fish Toy | Right Paw Dominant | Calico Orange | Squeaky Toy Mouse |
| Barnaby Boots | Ankylosaurus Club | Gravity Fish Toy | Left Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Raptor Purr | Pterodactyl Glider | Gravity Fish Toy | Left Paw Dominant | Calico Orange | Scratching Post |
| Felix Orbit | Pterodactyl Glider | Gravity Fish Toy | Right Paw Dominant | Calico Orange | Scratching Post |
| Captain Mittens | Pterodactyl Glider | Gravity Fish Toy | Left Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Baron Barnaby | T-Rex Jetpack | Meow Translator | Left Paw Dominant | Nebula Gray | Squeaky Toy Mouse |
| Ziggy Stardust | T-Rex Jetpack | Starlight Catnip | Right Paw Dominant | Nebula Gray | Squeaky Toy Mouse |
| Gizmo Galaxy | Pterodactyl Glider | Gravity Fish Toy | Right Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Trixie Tricera | Pterodactyl Glider | Gravity Fish Toy | Left Paw Dominant | Nebula Gray | Scratching Post |
| Leo Leonis | Pterodactyl Glider | Cosmic Yarn Ball | Right Paw Dominant | Stardust White | Shiny Laser Dot |
| Dino Dust | T-Rex Jetpack | Laser Pointer Beam | Right Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Nebula Nose | T-Rex Jetpack | Laser Pointer Beam | Left Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Stego Scratch | T-Rex Jetpack | Starlight Catnip | Left Paw Dominant | Stardust White | Scratching Post |
| Sputnik Smudge | Pterodactyl Glider | Cosmic Yarn Ball | Left Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Astrid Astro | Raptor Speed Boots | Cosmic Yarn Ball | Left Paw Dominant | Calico Orange | Squeaky Toy Mouse |
| Luna Rover | Ankylosaurus Club | Gravity Fish Toy | Right Paw Dominant | Calico Orange | Squeaky Toy Mouse |
| Ziggy Claw | Raptor Speed Boots | Meow Translator | Left Paw Dominant | Nebula Gray | Shiny Laser Dot |
| Cosmo Claw | Pterodactyl Glider | Starlight Catnip | Left Paw Dominant | Stardust White | Squeaky Toy Mouse |
| Comet Tail | Pterodactyl Glider | Laser Pointer Beam | Right Paw Dominant | Stardust White | Squeaky Toy Mouse |
Clue 1
Addition
To pack for the space jungle hunt, the rescue team must add up all the laser-fish rations. Help them count the total cans 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
3587
2960
7361
5175
8174
7186
6172
9624
T
3587
6172
4879
7361
3178
7186
4879
T
3587
5346
3178
7361
8174
7923
4879
3178
2583
9624
7923
4052
8174
4262
7186
5175
8174
3904
3904
2054 + 1533 =T
2441 + 4745 =N
2997 + 2178 =B
1353 + 1825 =S
3350 + 1529 =O
1327 + 1256 =M
1684 + 2220 =L
1551 + 1409 =H
2197 + 2065 =R
2067 + 1985 =Y
2645 + 2701 =U
4107 + 5517 =I
4233 + 1939 =D
3394 + 4529 =C
3293 + 4881 =A
3140 + 4221 =E
0/16 letters found
Clue 2
Rounding
Our starship radar detects cosmic energy waves, but the screen only shows numbers rounded to the nearest ten. Round the energy readings to pinpoint the sector!
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
500
5000
130
700
300
700
4300
130
290
T
500
70
130
430
T
500
4300
370
20
4300
90
3700
7000
T
500
T
500
90
370
3700
70
700
900
7000
T
500
5000
130
70
130
430
T
500
Round 522 to the nearest hundredT
Round 898 to the nearest hundredO
Round 86 to the nearest tenR
Round 69 to the nearest tenL
Round 127 to the nearest tenE
Round 252 to the nearest hundredU
Round 292 to the nearest tenC
Round 4,292 to the nearest hundredP
Round 6,796 to the nearest thousandN
Round 23 to the nearest tenW
Round 3,726 to the nearest hundredI
Round 431 to the nearest tenF
Round 372 to the nearest tenA
Round 5,048 to the nearest thousandH
Round 717 to the nearest hundredS
0/15 letters found
Clue 3
Subtraction
A clumsy raptor knocked over our rocket fuel cells, and some rolled away. Subtract the lost cells to find out how much fuel we have 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.
A
4529
4295
7165
7628
8640
A
4529
1207
5528
5914
4147
5528
2915
4147
7628
4295
8640
4295
5914
4147
8764
8764
8640
5826
5914
1679
8640
3055
A
4529
8813
5826
6816
5914
4635 - 106 =A
4392 - 1477 =M
10619 - 1855 =P
5862 - 4183 =H
11464 - 3836 =U
9649 - 836 =N
6930 - 1016 =T
6920 - 2773 =O
7796 - 1970 =D
8699 - 59 =E
3660 - 605 =B
10435 - 3270 =Q
8958 - 3430 =Y
10679 - 3863 =I
8812 - 4517 =S
3778 - 2571 =K
0/16 letters found
Clue 4
Multiplication facts (1-12)
We found rows of mysterious glowing dinosaur eggs arranged in perfect grids. Multiply the rows and columns to count the eggs and light our path!
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
80
120
21
21
8
110
56
8
21
12
15
54
6
120
81
32
55
T
80
81
20
32
90
55
T
80
54
120
56
T
80
21
12
81
T
80
120
81
56
20
8 × 10 =T
5 × 4 =R
2 × 3 =L
9 × 6 =W
7 × 3 =E
10 × 9 =U
4 × 2 =N
10 × 12 =H
12 × 1 =C
9 × 9 =A
11 × 5 =S
3 × 5 =O
11 × 10 =G
8 × 4 =D
8 × 7 =I
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
The friendly space triceratops will help us cross the river if we share our star-berries equally. Divide the berries among the dinosaurs to get across!
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
21 ÷ 7 = ?
120 ÷ 12 = ?
64 ÷ 8 = ?
21 ÷ 3 = ?
30 ÷ 6 = ?
20 ÷ 5 = ?
8 ÷ 4 = ?
5 ÷ 5 = ?
120 ÷ 10 = ?
24 ÷ 4 = ?
72 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain smashes through the gate with an ankylosaurus club, then shines a blinding laser pointer beam.
2.The villain dashes away in raptor speed boots, then tosses a heavy gravity fish toy.
3.The villain soars overhead on a pterodactyl glider, then tosses a heavy gravity fish toy.
4.The villain blasts off using a t-rex jetpack, then screams into a loud meow translator.
5.The villain blocks the doorway with a triceratops shield, then drops a bag of sleepy starlight catnip.
6.The villain blasts off using a t-rex jetpack, then rolls a giant cosmic yarn ball.
7.The villain blocks the doorway with a triceratops shield, then screams into a loud meow translator.
8.The villain blasts off using a t-rex jetpack, then shines a blinding laser pointer beam.
9.The villain dashes away in raptor speed boots, then rolls a giant cosmic yarn ball.
10.The villain soars overhead on a pterodactyl glider, then drops a bag of sleepy starlight catnip.
11.The villain smashes through the gate with an ankylosaurus club, then tosses a heavy gravity fish toy.
12.The villain dashes away in raptor speed boots, then shines a blinding laser pointer beam.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Space-Cat Heist
Culprit: Barnaby Boots (Ankylosaurus Club · Gravity Fish Toy · Left Paw Dominant · Stardust White · Squeaky Toy Mouse)
- Clue 1 (Addition): "THE BANDIT DOES NOT USE A COSMIC YARN BALL"2054 + 1533 = 3587 (T) · 2441 + 4745 = 7186 (N) · 2997 + 2178 = 5175 (B) · 1353 + 1825 = 3178 (S) · 3350 + 1529 = 4879 (O) · 1327 + 1256 = 2583 (M) · 1684 + 2220 = 3904 (L) · 1551 + 1409 = 2960 (H) · 2197 + 2065 = 4262 (R) · 2067 + 1985 = 4052 (Y) · 2645 + 2701 = 5346 (U) · 4107 + 5517 = 9624 (I) · 4233 + 1939 = 6172 (D) · 3394 + 4529 = 7923 (C) · 3293 + 4881 = 8174 (A) · 3140 + 4221 = 7361 (E)
- Clue 2 (Rounding): "THE SUSPECT LEFT PAWPRINT TRAILS ON THE LEFT"Round 522 to the nearest hundred = 500 (T) · Round 898 to the nearest hundred = 900 (O) · Round 86 to the nearest ten = 90 (R) · Round 69 to the nearest ten = 70 (L) · Round 127 to the nearest ten = 130 (E) · Round 252 to the nearest hundred = 300 (U) · Round 292 to the nearest ten = 290 (C) · Round 4,292 to the nearest hundred = 4300 (P) · Round 6,796 to the nearest thousand = 7000 (N) · Round 23 to the nearest ten = 20 (W) · Round 3,726 to the nearest hundred = 3700 (I) · Round 431 to the nearest ten = 430 (F) · Round 372 to the nearest ten = 370 (A) · Round 5,048 to the nearest thousand = 5000 (H) · Round 717 to the nearest hundred = 700 (S)
- Clue 3 (Subtraction): "A SQUEAKY TOY MOUSE STOPPED THE BANDIT"4635 - 106 = 4529 (A) · 4392 - 1477 = 2915 (M) · 10619 - 1855 = 8764 (P) · 5862 - 4183 = 1679 (H) · 11464 - 3836 = 7628 (U) · 9649 - 836 = 8813 (N) · 6930 - 1016 = 5914 (T) · 6920 - 2773 = 4147 (O) · 7796 - 1970 = 5826 (D) · 8699 - 59 = 8640 (E) · 3660 - 605 = 3055 (B) · 10435 - 3270 = 7165 (Q) · 8958 - 3430 = 5528 (Y) · 10679 - 3863 = 6816 (I) · 8812 - 4517 = 4295 (S) · 3778 - 2571 = 1207 (K)
- Clue 4 (Multiplication facts (1-12)): "THE ENGINE COWL HAD STARDUST WHITE CAT HAIR"8 × 10 = 80 (T) · 5 × 4 = 20 (R) · 2 × 3 = 6 (L) · 9 × 6 = 54 (W) · 7 × 3 = 21 (E) · 10 × 9 = 90 (U) · 4 × 2 = 8 (N) · 10 × 12 = 120 (H) · 12 × 1 = 12 (C) · 9 × 9 = 81 (A) · 11 × 5 = 55 (S) · 3 × 5 = 15 (O) · 11 × 10 = 110 (G) · 8 × 4 = 32 (D) · 8 × 7 = 56 (I)
- Clue 5 (Division facts (1-12)): surviving statement (box 11) → Barnaby Boots21 ÷ 7 = 3 · 120 ÷ 12 = 10 · 64 ÷ 8 = 8 · 21 ÷ 3 = 7 · 30 ÷ 6 = 5 · 20 ÷ 5 = 4 · 8 ÷ 4 = 2 · 5 ÷ 5 = 1 · 120 ÷ 10 = 12 · 24 ÷ 4 = 6 · 72 ÷ 8 = 9
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Addition, Rounding, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Great Space-Cat Heist — set in The Star-Claw Space Station orbiting Planet Dino-Prime
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects