🚀 SpaceGrade 4Reading: grades 1-2Place valueAdditionSubtractionWord problemsDivision
The Starlight Station Mystery
A sneaky villain crept into Moon Station Alpha and took the crystal star core! Solve the math clues to help Cadet Leo find out who did 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 | Gadget | Suit Upgrade | Glove Hand | Helmet Stripe | Weakness |
|---|---|---|---|---|---|
| John Glenn | Plasma Shield | Meteor Armor | Left Handed | Blue Stripe | Radio Static |
| Peggy Whitson | Gravity Boots | Zero G Float | Left Handed | Silver Stripe | Bright Lights |
| Sunita Williams | Rocket Pack | Comet Thrusters | Left Handed | Neon Stripe | Radio Static |
| Leland Melvin | Plasma Shield | Zero G Float | Left Handed | Neon Stripe | Radio Static |
| Yuri Gagarin | Plasma Shield | Meteor Armor | Left Handed | Neon Stripe | Bright Lights |
| Sally Ride | Gravity Boots | Solar Wings | Left Handed | Silver Stripe | Moon Dust |
| Kalpana Chawla | Rocket Pack | Meteor Armor | Left Handed | Blue Stripe | Radio Static |
| Buzz Aldrin | Laser Torch | Solar Wings | Left Handed | Silver Stripe | Radio Static |
| Anne McClain | Rocket Pack | Comet Thrusters | Left Handed | Neon Stripe | Bright Lights |
| Victor Glover | Laser Torch | Meteor Armor | Right Handed | Silver Stripe | Moon Dust |
| Ellen Ochoa | Gravity Boots | Lunar Jammer | Right Handed | Neon Stripe | Radio Static |
| Michael Collins | Plasma Shield | Solar Wings | Left Handed | Neon Stripe | Radio Static |
| Jonny Kim | Starlight Ray | Zero G Float | Right Handed | Neon Stripe | Radio Static |
| Bernard Harris | Laser Torch | Zero G Float | Left Handed | Blue Stripe | Moon Dust |
| Alan Shepard | Rocket Pack | Lunar Jammer | Right Handed | Silver Stripe | Moon Dust |
| Eileen Collins | Gravity Boots | Lunar Jammer | Left Handed | Neon Stripe | Radio Static |
| Neil Armstrong | Rocket Pack | Lunar Jammer | Right Handed | Blue Stripe | Bright Lights |
| Kjell Lindgren | Laser Torch | Comet Thrusters | Left Handed | Neon Stripe | Radio Static |
| Mae Jemison | Starlight Ray | Solar Wings | Left Handed | Neon Stripe | Radio Static |
| Stephanie Wilson | Starlight Ray | Comet Thrusters | Left Handed | Neon Stripe | Bright Lights |
| Guion Bluford | Gravity Boots | Solar Wings | Right Handed | Silver Stripe | Bright Lights |
Clue 1
Place value
The star station computer shows digits for the bandit 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.
T
7000
200
100
400
20
100
70
50
2000
1000
100
400
20
1000
T
7000
8000
400
100
6000
1000
600
100
T
7000
T
7000
200
9000
8000
400
T
7000
100
9000
400
What is the value of the 7 in 7,655?T
What is the value of the 2 in 6,211?H
What is the value of the 4 in 2,429?S
What is the value of the 8 in 8,952?U
What is the value of the 2 in 629?N
What is the value of the 6 in 26,410?C
What is the value of the 7 in 378?A
What is the value of the 6 in 601?M
What is the value of the 1 in 61,922?O
What is the value of the 5 in 4,957?K
What is the value of the 2 in 2,735?D
What is the value of the 1 in 2,155?E
What is the value of the 9 in 9,182?R
0/13 letters found
Clue 2
Addition
We add up the solar panel counts to trace the energy 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
7575
3799
9826
6037
7187
7266
4621
5540
T
7575
4103
3336
9826
4621
T
7575
3799
9826
5540
6443
4699
9826
8847
T
7575
3799
7187
7266
4621
9018
7266
T
7575
3799
9826
4621
7187
3336
3799
2322 + 5253 =T
2631 + 3812 =R
3056 + 4131 =A
1688 + 1648 =S
2174 + 2447 =D
2615 + 2925 =I
4069 + 4778 =F
2384 + 3653 =B
2544 + 1559 =U
1643 + 3056 =L
6529 + 3297 =E
4707 + 4311 =O
1598 + 2201 =H
4232 + 3034 =N
0/14 letters found
Clue 3
Subtraction
We subtract the missing moon rocks to see what was stolen.
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
2019
4195
3046
5175
3333
1543
3871
2036
T
2019
2407
3333
1543
3333
4282
3333
5136
7136
2407
6130
8456
3228
6130
6186
3871
2407
3333
3871
2036
6130
8357
T
2019
3333
T
2019
2036
7495
2133 - 114 =T
12614 - 4257 =S
13068 - 4612 =M
6448 - 4412 =I
6825 - 3492 =A
7485 - 4257 =L
7548 - 412 =F
9826 - 4690 =Y
8488 - 3313 =B
8001 - 4955 =E
8016 - 3821 =H
4142 - 2599 =N
9257 - 4975 =W
5047 - 1176 =D
7210 - 1024 =U
8344 - 2214 =O
8827 - 1332 =C
5834 - 3427 =R
0/18 letters found
Clue 4
Word problems
The cadet solves space word clues left on the control screen.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
N
71
26
37
N
71
36
32
42
41
P
26
Cadet Leo found 45 star maps yesterday and 26 more today. How many star maps in all?N
Cadet Leo lined up 9 rows of 4 laser batteries. How many laser batteries in all?S
Cadet Leo lined up 4 rows of 8 star maps. How many star maps in all?T
There were 52 moon rocks. 11 were used up. How many moon rocks are left?I
There were 47 rocket packs. 10 were used up. How many rocket packs are left?O
Cadet Leo found 5 star maps yesterday and 21 more today. How many star maps in all?E
Cadet Leo lined up 6 rows of 7 laser batteries. How many laser batteries in all?R
0/7 letters found
Clue 5
Division facts (1-12) — the last clue
We split the star maps equally among the cadet search teams.
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
30 ÷ 10 = ?
84 ÷ 7 = ?
20 ÷ 4 = ?
36 ÷ 6 = ?
12 ÷ 6 = ?
24 ÷ 6 = ?
55 ÷ 5 = ?
63 ÷ 9 = ?
20 ÷ 2 = ?
12 ÷ 12 = ?
40 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain turned on gravity boots, then activated zero g float.
2.The villain turned on gravity boots, then turned off comet thrusters.
3.The villain turned on gravity boots, then clicked the lunar jammer.
4.The villain blasted the rocket pack, then turned off comet thrusters.
5.The villain raised the plasma shield, then activated zero g float.
6.The villain fired the laser torch, then turned off comet thrusters.
7.The villain raised the plasma shield, then clicked the lunar jammer.
8.The villain fired the laser torch, then activated zero g float.
9.The villain raised the plasma shield, then unfolded solar wings.
10.The villain shined the starlight ray, then turned off comet thrusters.
11.The villain fired the laser torch, then clicked the lunar jammer.
12.The villain shined the starlight ray, then unfolded solar wings.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Starlight Station Mystery
Culprit: Michael Collins (Plasma Shield · Solar Wings · Left Handed · Neon Stripe · Radio Static)
- Clue 1 (Place value): "THE SNEAK DOES NOT USE COMET THRUSTERS"What is the value of the 7 in 7,655? = 7000 (T) · What is the value of the 2 in 6,211? = 200 (H) · What is the value of the 4 in 2,429? = 400 (S) · What is the value of the 8 in 8,952? = 8000 (U) · What is the value of the 2 in 629? = 20 (N) · What is the value of the 6 in 26,410? = 6000 (C) · What is the value of the 7 in 378? = 70 (A) · What is the value of the 6 in 601? = 600 (M) · What is the value of the 1 in 61,922? = 1000 (O) · What is the value of the 5 in 4,957? = 50 (K) · What is the value of the 2 in 2,735? = 2000 (D) · What is the value of the 1 in 2,155? = 100 (E) · What is the value of the 9 in 9,182? = 9000 (R)
- Clue 2 (Addition): "THE BANDIT USED THEIR LEFT HAND ON THE DASH"2322 + 5253 = 7575 (T) · 2631 + 3812 = 6443 (R) · 3056 + 4131 = 7187 (A) · 1688 + 1648 = 3336 (S) · 2174 + 2447 = 4621 (D) · 2615 + 2925 = 5540 (I) · 4069 + 4778 = 8847 (F) · 2384 + 3653 = 6037 (B) · 2544 + 1559 = 4103 (U) · 1643 + 3056 = 4699 (L) · 6529 + 3297 = 9826 (E) · 4707 + 4311 = 9018 (O) · 1598 + 2201 = 3799 (H) · 4232 + 3034 = 7266 (N)
- Clue 3 (Subtraction): "THE BANDIT RAN AWAY FROM LOUD RADIO STATIC"2133 - 114 = 2019 (T) · 12614 - 4257 = 8357 (S) · 13068 - 4612 = 8456 (M) · 6448 - 4412 = 2036 (I) · 6825 - 3492 = 3333 (A) · 7485 - 4257 = 3228 (L) · 7548 - 412 = 7136 (F) · 9826 - 4690 = 5136 (Y) · 8488 - 3313 = 5175 (B) · 8001 - 4955 = 3046 (E) · 8016 - 3821 = 4195 (H) · 4142 - 2599 = 1543 (N) · 9257 - 4975 = 4282 (W) · 5047 - 1176 = 3871 (D) · 7210 - 1024 = 6186 (U) · 8344 - 2214 = 6130 (O) · 8827 - 1332 = 7495 (C) · 5834 - 3427 = 2407 (R)
- Clue 4 (Word problems): "NEON STRIPE"Cadet Leo found 45 star maps yesterday and 26 more today. How many star maps in all? = 71 (N) · Cadet Leo lined up 9 rows of 4 laser batteries. How many laser batteries in all? = 36 (S) · Cadet Leo lined up 4 rows of 8 star maps. How many star maps in all? = 32 (T) · There were 52 moon rocks. 11 were used up. How many moon rocks are left? = 41 (I) · There were 47 rocket packs. 10 were used up. How many rocket packs are left? = 37 (O) · Cadet Leo found 5 star maps yesterday and 21 more today. How many star maps in all? = 26 (E) · Cadet Leo lined up 6 rows of 7 laser batteries. How many laser batteries in all? = 42 (R)
- Clue 5 (Division facts (1-12)): surviving statement (box 9) → Michael Collins30 ÷ 10 = 3 · 84 ÷ 7 = 12 · 20 ÷ 4 = 5 · 36 ÷ 6 = 6 · 12 ÷ 6 = 2 · 24 ÷ 6 = 4 · 55 ÷ 5 = 11 · 63 ÷ 9 = 7 · 20 ÷ 2 = 10 · 12 ÷ 12 = 1 · 40 ÷ 5 = 8
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Place value, Addition, Subtraction, Word problems, Division
- Reading level
- grades 1-2
- Theme
- The Starlight Station Mystery — set in Moon Station Alpha
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects