🚀 SpaceGrade 4Reading: grades 3-4RoundingMulti-step word problemsAdditionSubtractionDivision
The Cosmic Map Caper
The Golden Star-Map has been stolen from the main deck of Starlight Station! Commander Vega needs your help. The sneaky Space Phantom left a trail of clues. Solve the math problems to crack the codes and catch the thief before they jump into hyper-space!
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 | Jetpack Power | Laser Tool | Helmet Decal | Helmet Stripe | Shield Weakness |
|---|---|---|---|---|---|
| John Glenn | Ion Rocket | Gravity Hook | Right-side badge | Bright Orange | Magnetic Net |
| Ellen Ochoa | Warp Glider | Cosmic Welder | Left-side badge | Bright Orange | Freeze Ray |
| Mark Kelly | Gravity Boots | Gravity Hook | Right-side badge | Solar Yellow | Magnetic Net |
| Carl Sagan | Warp Glider | Cosmic Welder | Right-side badge | Neon Green | Freeze Ray |
| Kalpana Chawla | Ion Rocket | Asteroid Drill | Left-side badge | Solar Yellow | Freeze Ray |
| Gene Cernan | Solar Thruster | Photon Beam | Left-side badge | Bright Orange | Freeze Ray |
| Sally Ride | Plasma Jump | Stardust Scanner | Left-side badge | Bright Orange | Freeze Ray |
| Pete Conrad | Gravity Boots | Stardust Scanner | Right-side badge | Solar Yellow | Freeze Ray |
| Guion Bluford | Solar Thruster | Asteroid Drill | Left-side badge | Bright Orange | Freeze Ray |
| Jim Lovell | Warp Glider | Asteroid Drill | Left-side badge | Bright Orange | Freeze Ray |
| Chris Hadfield | Plasma Jump | Asteroid Drill | Right-side badge | Solar Yellow | Magnetic Net |
| Katherine Johnson | Gravity Boots | Stardust Scanner | Right-side badge | Solar Yellow | Magnetic Net |
| Buzz Aldrin | Plasma Jump | Photon Beam | Right-side badge | Bright Orange | Freeze Ray |
| Peggy Whitson | Warp Glider | Stardust Scanner | Left-side badge | Solar Yellow | Static Spark |
| Mae Jemison | Solar Thruster | Asteroid Drill | Right-side badge | Solar Yellow | Magnetic Net |
| Fred Haise | Ion Rocket | Photon Beam | Right-side badge | Solar Yellow | Static Spark |
| Valentina Tereshkova | Plasma Jump | Gravity Hook | Left-side badge | Neon Green | Magnetic Net |
| Alan Shepard | Ion Rocket | Cosmic Welder | Left-side badge | Solar Yellow | Magnetic Net |
| Michael Collins | Gravity Boots | Asteroid Drill | Left-side badge | Bright Orange | Magnetic Net |
| Edwin Hubble | Solar Thruster | Gravity Hook | Right-side badge | Solar Yellow | Freeze Ray |
| Neil Armstrong | Ion Rocket | Asteroid Drill | Right-side badge | Bright Orange | Magnetic Net |
Clue 1
Rounding
The security computer is locked tight. To get the first clue, we must count the packs of space food in the storage boxes and subtract the empty ones.
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
90
900
20
T
90
900
1100
20
2000
230
9000
20
2300
2900
9000
T
90
130
2300
20
T
90
900
20
2300
T
90
290
370
230
130
2300
T
90
2300
430
290
2900
2900
20
370
Round 86 to the nearest tenT
Round 2,013 to the nearest thousandF
Round 290 to the nearest tenA
Round 127 to the nearest tenU
Round 1,089 to the nearest hundredI
Round 432 to the nearest tenC
Round 9,454 to the nearest thousandO
Round 2,916 to the nearest hundredN
Round 2,282 to the nearest hundredS
Round 372 to the nearest tenR
Round 874 to the nearest hundredH
Round 23 to the nearest tenE
Round 229 to the nearest tenD
0/13 letters found
Clue 2
Multi-step word problems
The tracking radar is fuzzy because of a solar storm. We need to round the distance of the escape pod to the nearest hundred to get a clear picture.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
L
83
64
68
37
70
24
60
64
B
A
60
G
64
Commander Leo earned 7 space rations in each of 2 rounds, plus 81 bonus space rations. Then 12 space rations were lost. How many space rations are left?L
There were 227 space rations in all. 1 Astro-Guard used 5 space rations each. The other 6 Astro-Guard shared the rest equally. How many space rations did each of the other Astro-Guard get?T
Commander Leo earned 2 star maps in each of 4 rounds, plus 64 bonus star maps. Then 8 star maps were lost. How many star maps are left?E
Commander Leo filled 7 boxes with 3 space rations each, then found 49 more space rations. How many space rations are there in all?S
Commander Leo collected 72 laser batteries in the morning and 24 laser batteries in the afternoon, then split them equally among 4 Astro-Guard. How many laser batteries did each get?I
Commander Leo collected 14 oxygen tanks in the morning and 286 oxygen tanks in the afternoon, then split them equally among 5 Astro-Guard. How many oxygen tanks did each get?D
There were 379 laser batteries in all. 3 Astro-Guard used 13 laser batteries each. The other 5 Astro-Guard shared the rest equally. How many laser batteries did each of the other Astro-Guard get?F
0/7 letters found
Clue 3
Addition
We need to fuel our pursuit ship. Let us add up the star fuel canisters from both cargo bays to get the engine running.
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
8765
7942
2535
3660
3660
3890
3660
2535
A
8765
9694
6093
7037
3515
3515
2675
5327
3705
2296
5327
7638
3660
2675
2296
A
8765
2231
3660
2296
7638
A
8765
2779
5327
3705
7733
2994 + 5771 =A
2144 + 1561 =O
4391 + 3342 =M
1536 + 1139 =S
3293 + 6401 =Y
4675 + 2362 =I
3197 + 2130 =T
946 + 1833 =N
1253 + 978 =C
2195 + 1695 =Z
1437 + 1098 =R
1241 + 2274 =L
1325 + 971 =P
1613 + 2047 =E
4126 + 1967 =W
4876 + 3066 =F
5120 + 2518 =H
0/17 letters found
Clue 4
Subtraction
Oh no! A small space rock poked a hole in our water tank. We must subtract the leaked water from our total supply to see what is 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.
T
5550
6016
3570
3570
1410
6270
5161
6725
3176
3162
3347
1410
6802
3176
T
5550
6016
5161
3299
5161
3724
2041
3176
3347
6016
T
5550
3628
2041
5161
3162
3347
3570
1410
T
5550
2041
3176
6725
3570
5995 - 445 =T
9933 - 4772 =A
5856 - 2694 =N
3918 - 1877 =R
10991 - 4721 =C
6574 - 3004 =E
3781 - 482 =D
6045 - 2417 =O
4481 - 1305 =I
3399 - 52 =G
5240 - 3830 =S
10577 - 4561 =H
5863 - 2139 =B
9081 - 2356 =P
10570 - 3768 =U
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
We found a container of glowing moon crystals on the launchpad. Let us divide them equally among our crew members to power our scanners.
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
36 ÷ 6 = ?
81 ÷ 9 = ?
9 ÷ 9 = ?
132 ÷ 11 = ?
70 ÷ 7 = ?
24 ÷ 12 = ?
32 ÷ 4 = ?
7 ÷ 1 = ?
33 ÷ 11 = ?
30 ÷ 6 = ?
36 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain glides quietly on a warp glider, then melts the lock with a cosmic welder.
2.The villain teleports using a plasma jump, then cuts the security fence with a photon beam.
3.The villain zooms off using an ion rocket, then cuts the security fence with a photon beam.
4.The villain teleports using a plasma jump, then grabs the map with a gravity hook.
5.The villain teleports using a plasma jump, then breaks the vault with an asteroid drill.
6.The villain glides quietly on a warp glider, then breaks the vault with an asteroid drill.
7.The villain teleports using a plasma jump, then melts the lock with a cosmic welder.
8.The villain leaps high with gravity boots, then locates the vault with a stardust scanner.
9.The villain blasts away with a solar thruster, then cuts the security fence with a photon beam.
10.The villain leaps high with gravity boots, then breaks the vault with an asteroid drill.
11.The villain blasts away with a solar thruster, then breaks the vault with an asteroid drill.
12.The villain leaps high with gravity boots, then melts the lock with a cosmic welder.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Cosmic Map Caper
Culprit: Guion Bluford (Solar Thruster · Asteroid Drill · Left-side badge · Bright Orange · Freeze Ray)
- Clue 1 (Rounding): "THE THIEF DOES NOT USE THE STARDUST SCANNER"Round 86 to the nearest ten = 90 (T) · Round 2,013 to the nearest thousand = 2000 (F) · Round 290 to the nearest ten = 290 (A) · Round 127 to the nearest ten = 130 (U) · Round 1,089 to the nearest hundred = 1100 (I) · Round 432 to the nearest ten = 430 (C) · Round 9,454 to the nearest thousand = 9000 (O) · Round 2,916 to the nearest hundred = 2900 (N) · Round 2,282 to the nearest hundred = 2300 (S) · Round 372 to the nearest ten = 370 (R) · Round 874 to the nearest hundred = 900 (H) · Round 23 to the nearest ten = 20 (E) · Round 229 to the nearest ten = 230 (D)
- Clue 2 (Multi-step word problems): "LEFT SIDE BADGE"Commander Leo earned 7 space rations in each of 2 rounds, plus 81 bonus space rations. Then 12 space rations were lost. How many space rations are left? = 83 (L) · There were 227 space rations in all. 1 Astro-Guard used 5 space rations each. The other 6 Astro-Guard shared the rest equally. How many space rations did each of the other Astro-Guard get? = 37 (T) · Commander Leo earned 2 star maps in each of 4 rounds, plus 64 bonus star maps. Then 8 star maps were lost. How many star maps are left? = 64 (E) · Commander Leo filled 7 boxes with 3 space rations each, then found 49 more space rations. How many space rations are there in all? = 70 (S) · Commander Leo collected 72 laser batteries in the morning and 24 laser batteries in the afternoon, then split them equally among 4 Astro-Guard. How many laser batteries did each get? = 24 (I) · Commander Leo collected 14 oxygen tanks in the morning and 286 oxygen tanks in the afternoon, then split them equally among 5 Astro-Guard. How many oxygen tanks did each get? = 60 (D) · There were 379 laser batteries in all. 3 Astro-Guard used 13 laser batteries each. The other 5 Astro-Guard shared the rest equally. How many laser batteries did each of the other Astro-Guard get? = 68 (F)
- Clue 3 (Addition): "A FREEZE RAY WILL STOP THE SPACE PHANTOM"2994 + 5771 = 8765 (A) · 2144 + 1561 = 3705 (O) · 4391 + 3342 = 7733 (M) · 1536 + 1139 = 2675 (S) · 3293 + 6401 = 9694 (Y) · 4675 + 2362 = 7037 (I) · 3197 + 2130 = 5327 (T) · 946 + 1833 = 2779 (N) · 1253 + 978 = 2231 (C) · 2195 + 1695 = 3890 (Z) · 1437 + 1098 = 2535 (R) · 1241 + 2274 = 3515 (L) · 1325 + 971 = 2296 (P) · 1613 + 2047 = 3660 (E) · 4126 + 1967 = 6093 (W) · 4876 + 3066 = 7942 (F) · 5120 + 2518 = 7638 (H)
- Clue 4 (Subtraction): "THE ESCAPING SUIT HAD A BRIGHT ORANGE STRIPE"5995 - 445 = 5550 (T) · 9933 - 4772 = 5161 (A) · 5856 - 2694 = 3162 (N) · 3918 - 1877 = 2041 (R) · 10991 - 4721 = 6270 (C) · 6574 - 3004 = 3570 (E) · 3781 - 482 = 3299 (D) · 6045 - 2417 = 3628 (O) · 4481 - 1305 = 3176 (I) · 3399 - 52 = 3347 (G) · 5240 - 3830 = 1410 (S) · 10577 - 4561 = 6016 (H) · 5863 - 2139 = 3724 (B) · 9081 - 2356 = 6725 (P) · 10570 - 3768 = 6802 (U)
- Clue 5 (Division facts (1-12)): surviving statement (box 11) → Guion Bluford36 ÷ 6 = 6 · 81 ÷ 9 = 9 · 9 ÷ 9 = 1 · 132 ÷ 11 = 12 · 70 ÷ 7 = 10 · 24 ÷ 12 = 2 · 32 ÷ 4 = 8 · 7 ÷ 1 = 7 · 33 ÷ 11 = 3 · 30 ÷ 6 = 5 · 36 ÷ 9 = 4
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Multi-step word problems, Addition, Subtraction, Division
- Reading level
- grades 3-4
- Theme
- The Cosmic Map Caper — set in Starlight Station
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects