🚀 Dinosaurs, SpaceGrade 4Reading: grades 3-4MultiplicationWord problemsBar modelsPlace valueDivision
The Space Dino Fossil Heist
A priceless glowing Star Raptor egg disappeared from Orbit Dino Station! Solve the clues to expose the thief.
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 | Astro Suit | Dino Companion | Dom-Hand | Helmet Color | Distraction |
|---|---|---|---|---|---|
| Bernard Harris | Laser Cutter | Astro Brachiosaurus | Right Handed | Emerald Helmet | Tripped By Magnet |
| Peggy Whitson | Plasma Shield | Robo Stegosaurus | Right Handed | Gold Visor | Stunned By Flashlight |
| Edward Cope | Jetpack Thrusters | Pocket Velociraptor | Left Handed | Cobalt Helmet | Scared By Foghorn |
| Michael Collins | Laser Cutter | Robo Stegosaurus | Right Handed | Gold Visor | Scared By Foghorn |
| Yuri Gagarin | Laser Cutter | Robo Stegosaurus | Left Handed | Cobalt Helmet | Tripped By Magnet |
| Jim Lovell | Magna Gloves | Cyber Pterodactyl | Right Handed | Cobalt Helmet | Scared By Foghorn |
| Mae Jemison | Jetpack Thrusters | Pocket Velociraptor | Left Handed | Gold Visor | Tripped By Magnet |
| Alan Shepard | Plasma Shield | Pocket Velociraptor | Left Handed | Gold Visor | Scared By Foghorn |
| Buzz Aldrin | Magna Gloves | Mini Triceratops | Left Handed | Cobalt Helmet | Stunned By Flashlight |
| Jack Horner | Plasma Shield | Cyber Pterodactyl | Left Handed | Gold Visor | Scared By Foghorn |
| Eileen Collins | Plasma Shield | Mini Triceratops | Left Handed | Gold Visor | Scared By Foghorn |
| Carl Sagan | Gravity Boots | Astro Brachiosaurus | Left Handed | Cobalt Helmet | Tripped By Magnet |
| Sally Ride | Magna Gloves | Robo Stegosaurus | Left Handed | Emerald Helmet | Scared By Foghorn |
| Valentina Tereshkova | Gravity Boots | Robo Stegosaurus | Right Handed | Gold Visor | Stunned By Flashlight |
| Sue Hendrickson | Gravity Boots | Astro Brachiosaurus | Right Handed | Cobalt Helmet | Stunned By Flashlight |
| Neil Armstrong | Jetpack Thrusters | Astro Brachiosaurus | Left Handed | Cobalt Helmet | Scared By Foghorn |
| Mary Anning | Laser Cutter | Robo Stegosaurus | Left Handed | Gold Visor | Tripped By Magnet |
| Guion Bluford | Jetpack Thrusters | Mini Triceratops | Left Handed | Gold Visor | Scared By Foghorn |
| Kalpana Chawla | Gravity Boots | Astro Brachiosaurus | Left Handed | Gold Visor | Stunned By Flashlight |
| Ellen Ochoa | Gravity Boots | Cyber Pterodactyl | Right Handed | Emerald Helmet | Scared By Foghorn |
| Barnum Brown | Jetpack Thrusters | Robo Stegosaurus | Left Handed | Gold Visor | Scared By Foghorn |
Clue 1
Multiplication facts (1-12)
The station commander counts rows of supply crates stored in the cargo bay.
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
110
5
54
T
110
5
66
54
121
5
25
64
28
32
88
35
16
54
9
20
T
110
54
9
32
27
25
88
T
110
35
3
11 × 10 =T
7 × 5 =Y
3 × 9 =D
2 × 8 =B
4 × 8 =O
5 × 5 =A
6 × 9 =E
4 × 5 =P
6 × 11 =I
7 × 4 =N
8 × 8 =S
11 × 11 =F
5 × 1 =H
11 × 8 =C
1 × 3 =L
1 × 9 =R
0/16 letters found
Clue 2
Word problems
The head scientist logs the weight of space fossils gathered this week.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
L
6
33
25
11
76
40
7
D
33
D
Space ranger lined up 2 rows of 3 dino fossils. How many dino fossils in all?L
Space ranger lined up 10 rows of 4 astro boots. How many astro boots in all?A
Space ranger found 11 astro boots yesterday and 22 more today. How many astro boots in all?E
Space ranger found 38 space pods yesterday and 38 more today. How many space pods in all?H
Space ranger found 2 space pods yesterday and 9 more today. How many space pods in all?T
Space ranger found 4 star charts yesterday and 3 more today. How many star charts in all?N
Space ranger lined up 5 rows of 5 dino fossils. How many dino fossils in all?F
0/7 letters found
Clue 3
Bar model word problems
The lab monitor displays bar graphs comparing rover battery levels.
Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
S
19
60
120
76
114
116
8
Y
F
O
G
H
O
76
N
Space ranger shares 95 astro boots equally among 5 teams. How many astro boots does each team get?
draw a bar model
Answer:→S
Space ranger has 240 astro boots, packed 4 to a bag. How many bags can be filled?
draw a bar model
Answer:→C
Space ranger shares 228 astro boots equally among 2 teams. How many astro boots does each team get?
draw a bar model
Answer:→E
Space ranger has 4 times as many astro boots as a teammate. The teammate has 2 astro boots. How many astro boots does space ranger have?
draw a bar model
Answer:→B
Space ranger used 2/4 of the space pods on the first day. The other 58 space pods were used the next day. How many space pods were there in all?
draw a bar model
Answer:→D
One group collected 59 dino fossils and another group collected 61 dino fossils. How many dino fossils in all?
draw a bar model
Answer:→A
Space ranger has 152 astro boots, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→R
0/7 letters found
Clue 4
Place value
The security console scans the digits on the vault key code pad.
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
40
5000
300
600
200
500
90
700
300
10
80
A
40
700
600
70
800
2000
A
40
2000
2000
9000
70
700
3000
70
20
70
What is the value of the 4 in 1,143?A
What is the value of the 9 in 9,412?H
What is the value of the 8 in 890?F
What is the value of the 2 in 5,236?D
What is the value of the 6 in 690?L
What is the value of the 2 in 2,135?T
What is the value of the 3 in 7,359?O
What is the value of the 7 in 474?E
What is the value of the 2 in 626?N
What is the value of the 1 in 517?R
What is the value of the 5 in 5,221?G
What is the value of the 9 in 792?I
What is the value of the 8 in 585?W
What is the value of the 7 in 8,719?S
What is the value of the 3 in 83,984?C
What is the value of the 5 in 576?V
0/16 letters found
Clue 5
Division facts (1-12) — the last clue
The team ranger splits energy crystals evenly into storage pods.
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
40 ÷ 4 = ?
6 ÷ 3 = ?
30 ÷ 10 = ?
144 ÷ 12 = ?
5 ÷ 1 = ?
28 ÷ 4 = ?
81 ÷ 9 = ?
36 ÷ 6 = ?
66 ÷ 6 = ?
8 ÷ 1 = ?
3 ÷ 3 = ?
Step 2 — cross out the sentence with each answer
1.The villain sliced through locks with a laser cutter, then escaped beside a robo stegosaurus.
2.The villain boosted with jetpack thrusters, then rode away on a mini triceratops.
3.The villain deflected alarms with a plasma shield, then rode away on a mini triceratops.
4.The villain deflected alarms with a plasma shield, then dashed off with a pocket velociraptor.
5.The villain sliced through locks with a laser cutter, then dashed off with a pocket velociraptor.
6.The villain scaled the vault using magna gloves, then strolled away with an astro brachiosaurus.
7.The villain boosted with jetpack thrusters, then dashed off with a pocket velociraptor.
8.The villain scaled the vault using magna gloves, then escaped beside a robo stegosaurus.
9.The villain scaled the vault using magna gloves, then soared off with a cyber pterodactyl.
10.The villain boosted with jetpack thrusters, then escaped beside a robo stegosaurus.
11.The villain boosted with jetpack thrusters, then soared off with a cyber pterodactyl.
12.The villain boosted with jetpack thrusters, then strolled away with an astro brachiosaurus.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Space Dino Fossil Heist
Culprit: Alan Shepard (Plasma Shield · Pocket Velociraptor · Left Handed · Gold Visor · Scared By Foghorn)
- Clue 1 (Multiplication facts (1-12)): "THE THIEF HAS NO CYBER PTERODACTYL"11 × 10 = 110 (T) · 7 × 5 = 35 (Y) · 3 × 9 = 27 (D) · 2 × 8 = 16 (B) · 4 × 8 = 32 (O) · 5 × 5 = 25 (A) · 6 × 9 = 54 (E) · 4 × 5 = 20 (P) · 6 × 11 = 66 (I) · 7 × 4 = 28 (N) · 8 × 8 = 64 (S) · 11 × 11 = 121 (F) · 5 × 1 = 5 (H) · 11 × 8 = 88 (C) · 1 × 3 = 3 (L) · 1 × 9 = 9 (R)
- Clue 2 (Word problems): "LEFT HANDED"Space ranger lined up 2 rows of 3 dino fossils. How many dino fossils in all? = 6 (L) · Space ranger lined up 10 rows of 4 astro boots. How many astro boots in all? = 40 (A) · Space ranger found 11 astro boots yesterday and 22 more today. How many astro boots in all? = 33 (E) · Space ranger found 38 space pods yesterday and 38 more today. How many space pods in all? = 76 (H) · Space ranger found 2 space pods yesterday and 9 more today. How many space pods in all? = 11 (T) · Space ranger found 4 star charts yesterday and 3 more today. How many star charts in all? = 7 (N) · Space ranger lined up 5 rows of 5 dino fossils. How many dino fossils in all? = 25 (F)
- Clue 3 (Bar model word problems): "SCARED BY FOGHORN"Space ranger shares 95 astro boots equally among 5 teams. How many astro boots does each team get? = 19 (S) · Space ranger has 240 astro boots, packed 4 to a bag. How many bags can be filled? = 60 (C) · Space ranger shares 228 astro boots equally among 2 teams. How many astro boots does each team get? = 114 (E) · Space ranger has 4 times as many astro boots as a teammate. The teammate has 2 astro boots. How many astro boots does space ranger have? = 8 (B) · Space ranger used 2/4 of the space pods on the first day. The other 58 space pods were used the next day. How many space pods were there in all? = 116 (D) · One group collected 59 dino fossils and another group collected 61 dino fossils. How many dino fossils in all? = 120 (A) · Space ranger has 152 astro boots, packed 2 to a bag. How many bags can be filled? = 76 (R)
- Clue 4 (Place value): "A GOLD VISOR WAS LEFT AT THE SCENE"What is the value of the 4 in 1,143? = 40 (A) · What is the value of the 9 in 9,412? = 9000 (H) · What is the value of the 8 in 890? = 800 (F) · What is the value of the 2 in 5,236? = 200 (D) · What is the value of the 6 in 690? = 600 (L) · What is the value of the 2 in 2,135? = 2000 (T) · What is the value of the 3 in 7,359? = 300 (O) · What is the value of the 7 in 474? = 70 (E) · What is the value of the 2 in 626? = 20 (N) · What is the value of the 1 in 517? = 10 (R) · What is the value of the 5 in 5,221? = 5000 (G) · What is the value of the 9 in 792? = 90 (I) · What is the value of the 8 in 585? = 80 (W) · What is the value of the 7 in 8,719? = 700 (S) · What is the value of the 3 in 83,984? = 3000 (C) · What is the value of the 5 in 576? = 500 (V)
- Clue 5 (Division facts (1-12)): surviving statement (box 4) → Alan Shepard40 ÷ 4 = 10 · 6 ÷ 3 = 2 · 30 ÷ 10 = 3 · 144 ÷ 12 = 12 · 5 ÷ 1 = 5 · 28 ÷ 4 = 7 · 81 ÷ 9 = 9 · 36 ÷ 6 = 6 · 66 ÷ 6 = 11 · 8 ÷ 1 = 8 · 3 ÷ 3 = 1
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Multiplication, Word problems, Bar models, Place value, Division
- Reading level
- grades 3-4
- Theme
- The Space Dino Fossil Heist — set in Orbit Dino Station
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects