🚀 SpaceGrade 4Reading: grades 1-2Place valueAdditionSubtractionMultiplicationDivision
The Case of the Missing Moon Trophy
Oh no! Someone swiped the Golden Space Trophy from Starlight Station! The suspect left behind strange clues. Use your math skills to help the Astro Rangers solve the mystery!
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 | Primary Gear | Secondary Tool | Dominant Hand | Hair Color | Vulnerability |
|---|---|---|---|---|---|
| Jessica Meir | JET PACK | COMM RADIO | LEFT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Story Musgrave | SHIELD BELT | RAY BLASTER | LEFT HANDED | SILVER GRAY HAIR | SONIC ALARM |
| Peggy Whitson | GRAVITY BOOTS | RAY BLASTER | RIGHT HANDED | SILVER GRAY HAIR | FLASH LIGHT |
| Jim Lovell | SCOUT DRONE | MOON COMPASS | LEFT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Kalpana Chawla | JET PACK | RAY BLASTER | LEFT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Yuri Gagarin | SHIELD BELT | METEOR SCOOP | LEFT HANDED | BRIGHT GREEN HAIR | MAGNET TRAP |
| Guion Bluford | GRAVITY BOOTS | METEOR SCOOP | LEFT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Buzz Aldrin | LASER RING | MOON COMPASS | LEFT HANDED | BRIGHT GREEN HAIR | SONIC ALARM |
| Alan Shepard | LASER RING | MOON COMPASS | LEFT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Gene Cernan | SHIELD BELT | RAY BLASTER | RIGHT HANDED | BRIGHT GREEN HAIR | FLASH LIGHT |
| Jeanette Epps | LASER RING | STAR MAP | RIGHT HANDED | NEON BLUE HAIR | MAGNET TRAP |
| Mae Jemison | SCOUT DRONE | METEOR SCOOP | RIGHT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Neil Armstrong | JET PACK | MOON COMPASS | LEFT HANDED | BRIGHT GREEN HAIR | FLASH LIGHT |
| Bernard Harris | JET PACK | RAY BLASTER | LEFT HANDED | NEON BLUE HAIR | SONIC ALARM |
| Christina Koch | JET PACK | METEOR SCOOP | RIGHT HANDED | NEON BLUE HAIR | FLASH LIGHT |
| Chris Hadfield | JET PACK | STAR MAP | RIGHT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| Fred Haise | SHIELD BELT | METEOR SCOOP | LEFT HANDED | SILVER GRAY HAIR | MAGNET TRAP |
| John Glenn | GRAVITY BOOTS | STAR MAP | LEFT HANDED | BRIGHT GREEN HAIR | SONIC ALARM |
| Michael Collins | GRAVITY BOOTS | METEOR SCOOP | RIGHT HANDED | SILVER GRAY HAIR | SONIC ALARM |
| Victor Glover | SHIELD BELT | RAY BLASTER | LEFT HANDED | NEON BLUE HAIR | FLASH LIGHT |
| Ellen Ochoa | SHIELD BELT | MOON COMPASS | LEFT HANDED | NEON BLUE HAIR | SONIC ALARM |
Clue 1
Place value
The star station computer screen blinks with place value numbers to unlock 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
800
8000
30
900
50
2000
2000
60
50
600
80
7000
30
1000
600
7000
T
800
8000
60
900
30
60
4000
7000
7000
600
5000
7000
4000
400
60
1000
1000
What is the value of the 8 in 2,863?T
What is the value of the 1 in 51,484?S
What is the value of the 9 in 952?V
What is the value of the 3 in 430?E
What is the value of the 2 in 92,350?L
What is the value of the 6 in 602?N
What is the value of the 8 in 8,025?H
What is the value of the 7 in 17,152?O
What is the value of the 5 in 4,259?I
What is the value of the 4 in 1,487?P
What is the value of the 5 in 15,096?C
What is the value of the 4 in 64,919?M
What is the value of the 8 in 485?D
What is the value of the 6 in 4,064?A
0/14 letters found
Clue 2
Addition
Cadet Leo adds up the energy crystals in the storage bay 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.
T
2579
7922
7146
4153
9147
7146
2996
8665
6905
4153
8176
4153
4232
7146
9346
T
2579
8176
4153
7146
3922
T
2579
7922
7146
2369
2924
6287
7146
8295
T
2579
7922
2996
9147
3922
1129 + 1450 =T
3940 + 4236 =U
2602 + 6063 =K
1735 + 2187 =D
4219 + 2686 =Y
1262 + 1734 =A
3853 + 3293 =E
3844 + 5303 =N
2030 + 894 =R
3748 + 4547 =F
3529 + 5817 =C
2206 + 4081 =L
959 + 1410 =I
5291 + 2631 =H
2240 + 1992 =P
1604 + 2549 =S
0/16 letters found
Clue 3
Subtraction
Cadet Maya subtracts the broken oxygen tanks from the total 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.
A
6052
2385
A
6052
5036
2400
1413
4254
4254
3644
A
6052
1847
7931
4254
8682
1847
1847
1413
6859
4254
6335
1413
7931
2400
1413
A
6052
8897
1614
1914
4183
3502
3502
A
6052
4183
2400
8880 - 2828 =A
5935 - 2291 =R
9520 - 3185 =H
7160 - 2906 =T
12226 - 3329 =K
5094 - 3681 =E
5971 - 1788 =I
4813 - 2413 =N
6519 - 4672 =P
5005 - 2620 =M
11006 - 3075 =S
5678 - 4064 =Y
3562 - 1648 =V
7049 - 2013 =G
8623 - 1764 =D
11643 - 2961 =O
6669 - 3167 =L
0/17 letters found
Clue 4
Multiplication facts (1-12)
Commander Tom counts solar panels arranged in equal rows to get 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.
T
144
121
110
56
110
T
144
110
4
T
144
96
77
110
45
50
32
20
56
28
96
10
77
110
100
42
100
24
81
121
24
96
100
24
T
144
28
4
110
20
110
12 × 12 =T
9 × 5 =F
4 × 8 =U
8 × 12 =I
4 × 5 =N
7 × 11 =V
2 × 5 =L
6 × 7 =G
2 × 2 =C
11 × 11 =H
9 × 9 =Y
3 × 8 =A
11 × 10 =E
4 × 7 =S
8 × 7 =D
5 × 10 =O
10 × 10 =R
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
Scientist Sam splits moon rocks into equal supply boxes to finish 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
20 ÷ 10 = ?
88 ÷ 11 = ?
18 ÷ 6 = ?
40 ÷ 8 = ?
20 ÷ 2 = ?
81 ÷ 9 = ?
121 ÷ 11 = ?
4 ÷ 4 = ?
56 ÷ 8 = ?
28 ÷ 7 = ?
42 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain flew with a jet pack, then swung a meteor scoop.
2.The villain turned on a shield belt, then swung a meteor scoop.
3.The villain used gravity boots to jump, then swung a meteor scoop.
4.The villain turned on a shield belt, then charged a ray blaster.
5.The villain fired a laser ring, then checked a star map.
6.The villain turned on a shield belt, then chatted on a comm radio.
7.The villain flew with a jet pack, then checked a star map.
8.The villain flew with a jet pack, then charged a ray blaster.
9.The villain flew with a jet pack, then set a moon compass.
10.The villain turned on a shield belt, then set a moon compass.
11.The villain fired a laser ring, then set a moon compass.
12.The villain flew with a jet pack, then chatted on a comm radio.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Moon Trophy
Culprit: Jessica Meir (JET PACK · COMM RADIO · LEFT HANDED · SILVER GRAY HAIR · MAGNET TRAP)
- Clue 1 (Place value): "THE VILLAIN DOES NOT HAVE A MOON COMPASS"What is the value of the 8 in 2,863? = 800 (T) · What is the value of the 1 in 51,484? = 1000 (S) · What is the value of the 9 in 952? = 900 (V) · What is the value of the 3 in 430? = 30 (E) · What is the value of the 2 in 92,350? = 2000 (L) · What is the value of the 6 in 602? = 600 (N) · What is the value of the 8 in 8,025? = 8000 (H) · What is the value of the 7 in 17,152? = 7000 (O) · What is the value of the 5 in 4,259? = 50 (I) · What is the value of the 4 in 1,487? = 400 (P) · What is the value of the 5 in 15,096? = 5000 (C) · What is the value of the 4 in 64,919? = 4000 (M) · What is the value of the 8 in 485? = 80 (D) · What is the value of the 6 in 4,064? = 60 (A)
- Clue 2 (Addition): "THE SNEAKY SUSPECT USED THEIR LEFT HAND"1129 + 1450 = 2579 (T) · 3940 + 4236 = 8176 (U) · 2602 + 6063 = 8665 (K) · 1735 + 2187 = 3922 (D) · 4219 + 2686 = 6905 (Y) · 1262 + 1734 = 2996 (A) · 3853 + 3293 = 7146 (E) · 3844 + 5303 = 9147 (N) · 2030 + 894 = 2924 (R) · 3748 + 4547 = 8295 (F) · 3529 + 5817 = 9346 (C) · 2206 + 4081 = 6287 (L) · 959 + 1410 = 2369 (I) · 5291 + 2631 = 7922 (H) · 2240 + 1992 = 4232 (P) · 1604 + 2549 = 4153 (S)
- Clue 3 (Subtraction): "A MAGNET TRAP STOPPED THE SNEAKY VILLAIN"8880 - 2828 = 6052 (A) · 5935 - 2291 = 3644 (R) · 9520 - 3185 = 6335 (H) · 7160 - 2906 = 4254 (T) · 12226 - 3329 = 8897 (K) · 5094 - 3681 = 1413 (E) · 5971 - 1788 = 4183 (I) · 4813 - 2413 = 2400 (N) · 6519 - 4672 = 1847 (P) · 5005 - 2620 = 2385 (M) · 11006 - 3075 = 7931 (S) · 5678 - 4064 = 1614 (Y) · 3562 - 1648 = 1914 (V) · 7049 - 2013 = 5036 (G) · 8623 - 1764 = 6859 (D) · 11643 - 2961 = 8682 (O) · 6669 - 3167 = 3502 (L)
- Clue 4 (Multiplication facts (1-12)): "THE DETECTIVE FOUND SILVER GRAY HAIR AT SCENE"12 × 12 = 144 (T) · 9 × 5 = 45 (F) · 4 × 8 = 32 (U) · 8 × 12 = 96 (I) · 4 × 5 = 20 (N) · 7 × 11 = 77 (V) · 2 × 5 = 10 (L) · 6 × 7 = 42 (G) · 2 × 2 = 4 (C) · 11 × 11 = 121 (H) · 9 × 9 = 81 (Y) · 3 × 8 = 24 (A) · 11 × 10 = 110 (E) · 4 × 7 = 28 (S) · 8 × 7 = 56 (D) · 5 × 10 = 50 (O) · 10 × 10 = 100 (R)
- Clue 5 (Division facts (1-12)): surviving statement (box 12) → Jessica Meir20 ÷ 10 = 2 · 88 ÷ 11 = 8 · 18 ÷ 6 = 3 · 40 ÷ 8 = 5 · 20 ÷ 2 = 10 · 81 ÷ 9 = 9 · 121 ÷ 11 = 11 · 4 ÷ 4 = 1 · 56 ÷ 8 = 7 · 28 ÷ 7 = 4 · 42 ÷ 7 = 6
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Place value, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 1-2
- Theme
- The Case of the Missing Moon Trophy — set in Starlight Station
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects