🚀 Airplanes, SpaceGrade 1Reading: grades 1-2AdditionSkip countingSubtractionPlace valueMissing addends
The Great Space Hangar Mystery
Someone snuck into Starlight Air Base and took the super rocket engine! Solve the clues to catch the villain.
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 | Main Gear | Space Gadget | Dominant Hand | Helmet Color | Weakness |
|---|---|---|---|---|---|
| Sally Ride | SOLAR SHIELD | ORBIT RAY | RIGHT HANDED | GOLD HELMET | BRIGHT FLASH |
| Valeria Vance | SOLAR SHIELD | MOON RAKE | RIGHT HANDED | RED HELMET | BRIGHT FLASH |
| Sky Walker | TURBO WINGS | SPACE SCOOP | RIGHT HANDED | GOLD HELMET | STRONG WIND |
| Comet Chris | GRAVITY BOOTS | ORBIT RAY | LEFT HANDED | RED HELMET | BRIGHT FLASH |
| Nova Jet | JET PACK | COMET DASH | RIGHT HANDED | RED HELMET | BRIGHT FLASH |
| Piper Plane | TURBO WINGS | SPACE SCOOP | LEFT HANDED | GOLD HELMET | BRIGHT FLASH |
| Penny Pilot | JET PACK | ORBIT RAY | LEFT HANDED | GOLD HELMET | BRIGHT FLASH |
| Buzz Starling | TURBO WINGS | ORBIT RAY | RIGHT HANDED | GOLD HELMET | BRIGHT FLASH |
| Wilbur Wright | GRAVITY BOOTS | MOON RAKE | LEFT HANDED | BLUE HELMET | LOUD BEEP |
| Ray Rocket | STAR LASER | COMET DASH | RIGHT HANDED | GOLD HELMET | BRIGHT FLASH |
| Gus Glenn | JET PACK | ORBIT RAY | RIGHT HANDED | BLUE HELMET | STRONG WIND |
| Orion Otto | TURBO WINGS | MOON RAKE | LEFT HANDED | RED HELMET | LOUD BEEP |
| Cosmo Clara | STAR LASER | SPACE SCOOP | RIGHT HANDED | GOLD HELMET | STRONG WIND |
| Orville Wright | SOLAR SHIELD | ORBIT RAY | LEFT HANDED | GOLD HELMET | BRIGHT FLASH |
| Hunter Hopper | TURBO WINGS | ORBIT RAY | LEFT HANDED | BLUE HELMET | BRIGHT FLASH |
| Astro Artie | GRAVITY BOOTS | COMET DASH | RIGHT HANDED | GOLD HELMET | BRIGHT FLASH |
| Daisy Orbit | GRAVITY BOOTS | ASTEROID NET | LEFT HANDED | RED HELMET | BRIGHT FLASH |
| Hank Hangar | STAR LASER | ORBIT RAY | LEFT HANDED | BLUE HELMET | LOUD BEEP |
| Stella Jet | JET PACK | ORBIT RAY | RIGHT HANDED | BLUE HELMET | BRIGHT FLASH |
| Leo Lunar | TURBO WINGS | ASTEROID NET | RIGHT HANDED | GOLD HELMET | BRIGHT FLASH |
| Tess Turbo | STAR LASER | SPACE SCOOP | RIGHT HANDED | RED HELMET | STRONG WIND |
Clue 1
Addition
Captain Sky adds up all the rocket badges found near the runway to open the first locker.
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
7
15
13
16
10
13
18
11
12
14
18
10
8
6
T
7
8
20
13
16
10
20
T
7
9
16
13
18
16
T
7
13
2
20
6
8
10
13
T
7
4 + 3 =T
5 + 1 =I
4 + 7 =K
7 + 8 =H
4 + 4 =D
3 + 7 =N
7 + 7 =B
11 + 7 =A
6 + 10 =S
8 + 5 =E
1 + 1 =R
6 + 14 =O
6 + 6 =Y
4 + 5 =U
0/14 letters found
Clue 2
Skip counting
The crew skip counts by twos down the long space hall to track the sneaky footsteps.
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
100
26
120
20
42
60
8
50
T
100
110
30
120
8
42
39
50
70
26
T
100
26
42
60
8
25
60
T
100
26
120
55
120
12
120
39
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35O
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60I
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30B
Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18V
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50S
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80G
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130U
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45R
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70N
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30H
0/15 letters found
Clue 3
Subtraction
The detective subtracts the missing star maps from the shelf to find a hidden 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.
A
10
4
6
12
7
2
5
15
18
A
10
8
2
8
5
19
3
3
1
14
5
2
1
8
16
1
A
10
9
17
4
A
10
16
14
12
5
17 - 7 =A
15 - 7 =S
20 - 1 =O
17 - 2 =F
6 - 3 =P
2 - 1 =E
7 - 1 =R
13 - 8 =T
20 - 8 =I
16 - 2 =D
6 - 4 =H
20 - 3 =Y
12 - 5 =G
17 - 1 =N
11 - 7 =B
12 - 3 =K
20 - 2 =L
0/17 letters found
Clue 4
Place value
The chief looks at tens and ones on the flight deck screen to unlock the computer.
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
85
93
16
67
16
T
85
16
48
T
85
40
45
16
35
25
15
80
67
20
66
25
84
67
93
16
84
91
16
T
85
64
T
85
11
20
65
What number has 8 tens and 5 ones?T
What number has 6 tens and 6 ones?G
What number has 9 tens and 3 ones?H
What number has 4 tens and 8 ones?C
What number has 4 tens and 0 ones?I
What number has 1 ten and 1 one?R
What number has 2 tens and 5 ones?O
What number has 9 tens and 1 one?M
What number has 8 tens and 0 ones?N
What number has 4 tens and 5 ones?V
What number has 1 ten and 6 ones?E
What number has 6 tens and 7 ones?D
What number has 8 tens and 4 ones?L
What number has 2 tens and 0 ones?A
What number has 3 tens and 5 ones?F
What number has 1 ten and 5 ones?U
What number has 6 tens and 4 ones?S
What number has 6 tens and 5 ones?P
0/18 letters found
Clue 5
Missing addends — the last clue
The team finds how many more fuel cells are needed to finish filling the rocket engine.
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
6 + ___ = 13
2 + ___ = 12
2 + ___ = 3
8 + ___ = 16
9 + ___ = 15
5 + ___ = 16
8 + ___ = 11
10 + ___ = 22
7 + ___ = 12
4 + ___ = 13
4 + ___ = 6
Step 2 — cross out the sentence with each answer
1.The villain glided through the clouds, then stole the pilot goggles.
2.The villain glided through the clouds, then grabbed the star map.
3.The villain zoomed around the station, then grabbed the star map.
4.The villain hovered near the launchpad, then snagged the space radio.
5.The villain flew past the moon, then took the golden wrench.
6.The villain glided through the clouds, then took the golden wrench.
7.The villain flew past the moon, then snagged the space radio.
8.The villain hovered near the launchpad, then grabbed the star map.
9.The villain hovered near the launchpad, then stole the pilot goggles.
10.The villain zoomed around the station, then stole the pilot goggles.
11.The villain sparked the thrusters, then took the golden wrench.
12.The villain sparked the thrusters, then grabbed the star map.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Space Hangar Mystery
Culprit: Ray Rocket (STAR LASER · COMET DASH · RIGHT HANDED · GOLD HELMET · BRIGHT FLASH)
- Clue 1 (Addition): "THE SNEAKY BANDIT DOES NOT USE ASTEROID NET"4 + 3 = 7 (T) · 5 + 1 = 6 (I) · 4 + 7 = 11 (K) · 7 + 8 = 15 (H) · 4 + 4 = 8 (D) · 3 + 7 = 10 (N) · 7 + 7 = 14 (B) · 11 + 7 = 18 (A) · 6 + 10 = 16 (S) · 8 + 5 = 13 (E) · 1 + 1 = 2 (R) · 6 + 14 = 20 (O) · 6 + 6 = 12 (Y) · 4 + 5 = 9 (U)
- Clue 2 (Skip counting): "THE BANDIT USED A RIGHT HAND ON THE LEVER"Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (O) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (I) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (B) · Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18 = 12 (V) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (S) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (L) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (G) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (U) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (R) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70 = 60 (N) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (H)
- Clue 3 (Subtraction): "A BRIGHT FLASH STOPPED THE SNEAKY BANDIT"17 - 7 = 10 (A) · 15 - 7 = 8 (S) · 20 - 1 = 19 (O) · 17 - 2 = 15 (F) · 6 - 3 = 3 (P) · 2 - 1 = 1 (E) · 7 - 1 = 6 (R) · 13 - 8 = 5 (T) · 20 - 8 = 12 (I) · 16 - 2 = 14 (D) · 6 - 4 = 2 (H) · 20 - 3 = 17 (Y) · 12 - 5 = 7 (G) · 17 - 1 = 16 (N) · 11 - 7 = 4 (B) · 12 - 3 = 9 (K) · 20 - 2 = 18 (L)
- Clue 4 (Place value): "THE DETECTIVE FOUND A GOLD HELMET STRAP"What number has 8 tens and 5 ones? = 85 (T) · What number has 6 tens and 6 ones? = 66 (G) · What number has 9 tens and 3 ones? = 93 (H) · What number has 4 tens and 8 ones? = 48 (C) · What number has 4 tens and 0 ones? = 40 (I) · What number has 1 ten and 1 one? = 11 (R) · What number has 2 tens and 5 ones? = 25 (O) · What number has 9 tens and 1 one? = 91 (M) · What number has 8 tens and 0 ones? = 80 (N) · What number has 4 tens and 5 ones? = 45 (V) · What number has 1 ten and 6 ones? = 16 (E) · What number has 6 tens and 7 ones? = 67 (D) · What number has 8 tens and 4 ones? = 84 (L) · What number has 2 tens and 0 ones? = 20 (A) · What number has 3 tens and 5 ones? = 35 (F) · What number has 1 ten and 5 ones? = 15 (U) · What number has 6 tens and 4 ones? = 64 (S) · What number has 6 tens and 5 ones? = 65 (P)
- Clue 5 (Missing addends): surviving statement (box 4) → Ray Rocket6 + ___ = 13 = 7 · 2 + ___ = 12 = 10 · 2 + ___ = 3 = 1 · 8 + ___ = 16 = 8 · 9 + ___ = 15 = 6 · 5 + ___ = 16 = 11 · 8 + ___ = 11 = 3 · 10 + ___ = 22 = 12 · 7 + ___ = 12 = 5 · 4 + ___ = 13 = 9 · 4 + ___ = 6 = 2
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Skip counting, Subtraction, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Great Space Hangar Mystery — set in Starlight Air Base
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects