🚀 SpaceGrade 2Reading: grades 3-4Place valueAdditionSubtractionSkip countingMissing addends
The Orbit City Heist
Someone has stolen the legendary Golden Star Map from the high-security vault on Orbit City! The culprit left a trail of glowing cosmic dust. We must find the space bandit before they warp out of the galaxy.
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 Type | Cosmic Tool | Oxygen Gauge | Spacesuit Tint | Space Food Allergy |
|---|---|---|---|---|---|
| Yuri Gagarin | Quantum Warp | Gravity Glove | Left Wrist Gauge | Silver Chrome Glass | Dehydrated Cheese |
| Alan Shepard | Quantum Warp | Meteor Magnet | Left Wrist Gauge | Bright Orange Glass | Freeze Dried Apple |
| Neil Armstrong | Solar Flare Boost | Plasma Torch | Left Wrist Gauge | Silver Chrome Glass | Dehydrated Cheese |
| Kalpana Chawla | Ion Drift | Laser Cutter | Right Wrist Gauge | Neon Green Glass | Dehydrated Cheese |
| Mae Jemison | Gravity Glide | Laser Cutter | Left Wrist Gauge | Bright Orange Glass | Freeze Dried Apple |
| Commander Orion | Solar Flare Boost | Laser Cutter | Right Wrist Gauge | Silver Chrome Glass | Powdered Ice Cream |
| Major Tom | Solar Flare Boost | Gravity Glove | Left Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Zeta Prime | Nebula Thrust | Starlight Key | Right Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Luna Orbit | Nebula Thrust | Laser Cutter | Right Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Sally Ride | Solar Flare Boost | Starlight Key | Left Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Chris Hadfield | Ion Drift | Meteor Magnet | Left Wrist Gauge | Bright Orange Glass | Freeze Dried Apple |
| Starbuck | Solar Flare Boost | Plasma Torch | Left Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Gizmo Comet | Gravity Glide | Laser Cutter | Right Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Ziggy Stardust | Gravity Glide | Plasma Torch | Left Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Valentina Tereshkova | Gravity Glide | Gravity Glove | Left Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Helen Sharman | Solar Flare Boost | Meteor Magnet | Left Wrist Gauge | Bright Orange Glass | Powdered Ice Cream |
| Leo Zenith | Solar Flare Boost | Meteor Magnet | Right Wrist Gauge | Silver Chrome Glass | Freeze Dried Apple |
| Guion Bluford | Solar Flare Boost | Plasma Torch | Left Wrist Gauge | Silver Chrome Glass | Powdered Ice Cream |
| John Glenn | Gravity Glide | Meteor Magnet | Right Wrist Gauge | Bright Orange Glass | Powdered Ice Cream |
| Captain Astro | Gravity Glide | Plasma Torch | Right Wrist Gauge | Neon Green Glass | Freeze Dried Apple |
| Peggy Whitson | Quantum Warp | Starlight Key | Right Wrist Gauge | Neon Green Glass | Dehydrated Cheese |
Clue 1
Place value
The security terminal on the docking bay displays ship coordinates, but the screens are glitchy. We have to check the value of the hundreds digit to find the cargo ship's real 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
88
18
22
29
42
71
57
84
T
88
57
72
22
38
71
72
T
88
68
38
22
T
88
18
22
38
T
88
42
41
20
84
33
18
T
88
53
22
86
What number has 8 tens and 8 ones?T
What number has 8 tens and 4 ones?I
What number has 2 tens and 0 ones?L
What number has 6 tens and 8 ones?U
What number has 4 tens and 2 ones?A
What number has 4 tens and 1 one?R
What number has 2 tens and 2 ones?E
What number has 7 tens and 2 ones?O
What number has 5 tens and 7 ones?D
What number has 3 tens and 3 ones?G
What number has 5 tens and 3 ones?K
What number has 8 tens and 6 ones?Y
What number has 1 ten and 8 ones?H
What number has 2 tens and 9 ones?B
What number has 7 tens and 1 one?N
What number has 3 tens and 8 ones?S
0/16 letters found
Clue 2
Addition
We found a pile of discarded battery packs near the airlock. If we add up all the charges on these batteries, we can unlock the security footage.
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
27
84
90
32
94
97
32
90
86
94
92
91
40
T
27
84
90
87
90
82
T
27
86
54
63
92
T
27
16 + 11 =T
33 + 51 =H
12 + 20 =G
33 + 21 =R
39 + 52 =O
15 + 25 =N
28 + 66 =A
48 + 34 =F
37 + 50 =L
60 + 30 =E
27 + 36 =I
28 + 58 =W
29 + 68 =U
64 + 28 =S
0/14 letters found
Clue 3
Subtraction
The emergency oxygen tanks leaked during the escape. Subtract the empty tanks from the total to see how much air we have left to search the station.
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
19
53
56
16
83
69
48
69
26
69
16
41
83
63
54
41
83
56
56
62
56
35
83
28
56
35
69
75
75
42
56
25 - 6 =T
93 - 18 =P
59 - 11 =N
67 - 11 =E
66 - 4 =Z
62 - 21 =F
48 - 13 =D
30 - 2 =I
96 - 27 =A
81 - 18 =O
89 - 6 =R
34 - 8 =W
78 - 24 =M
79 - 26 =H
79 - 37 =L
52 - 36 =Y
0/16 letters found
Clue 4
Skip counting
The escape pod launch pad has lights that blink in a pattern. By skip counting the blinking lights, we can trace which launch pad the bandit used.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
W
70
8
26
80
W
70
80
65
140
80
26
22
120
65
26
39
140
33
8
21
90
22
21
120
10
8
9
140
80
26
26
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80W
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39V
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110C
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160L
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140O
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27R
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15G
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14M
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75F
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12E
0/14 letters found
Clue 5
Missing addends — the last clue
The engine room needs exactly enough fuel rods to power the tracking radar. Solve for the missing fuel rods to turn the scanner on.
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
9 + ___ = 21
7 + ___ = 12
3 + ___ = 13
2 + ___ = 3
6 + ___ = 12
1 + ___ = 12
1 + ___ = 3
3 + ___ = 12
2 + ___ = 10
3 + ___ = 6
1 + ___ = 8
Step 2 — cross out the sentence with each answer
1.The villain activates their quantum warp, then melts the vault lock with a plasma torch.
2.The villain activates their nebula thrust, then melts the vault lock with a plasma torch.
3.The villain activates their nebula thrust, then unlocks the safe using a starlight key.
4.The villain activates their solar flare boost, then grabs the loot using a gravity glove.
5.The villain activates their gravity glide, then melts the vault lock with a plasma torch.
6.The villain activates their gravity glide, then slices through the hatch with a laser cutter.
7.The villain activates their solar flare boost, then attracts space metal with a meteor magnet.
8.The villain activates their quantum warp, then slices through the hatch with a laser cutter.
9.The villain activates their solar flare boost, then slices through the hatch with a laser cutter.
10.The villain activates their solar flare boost, then melts the vault lock with a plasma torch.
11.The villain activates their ion drift, then melts the vault lock with a plasma torch.
12.The villain activates their gravity glide, then grabs the loot using a gravity glove.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Orbit City Heist
Culprit: Major Tom (Solar Flare Boost · Gravity Glove · Left Wrist Gauge · Silver Chrome Glass · Freeze Dried Apple)
- Clue 1 (Place value): "THE BANDIT DOES NOT USE THE STARLIGHT KEY"What number has 8 tens and 8 ones? = 88 (T) · What number has 8 tens and 4 ones? = 84 (I) · What number has 2 tens and 0 ones? = 20 (L) · What number has 6 tens and 8 ones? = 68 (U) · What number has 4 tens and 2 ones? = 42 (A) · What number has 4 tens and 1 one? = 41 (R) · What number has 2 tens and 2 ones? = 22 (E) · What number has 7 tens and 2 ones? = 72 (O) · What number has 5 tens and 7 ones? = 57 (D) · What number has 3 tens and 3 ones? = 33 (G) · What number has 5 tens and 3 ones? = 53 (K) · What number has 8 tens and 6 ones? = 86 (Y) · What number has 1 ten and 8 ones? = 18 (H) · What number has 2 tens and 9 ones? = 29 (B) · What number has 7 tens and 1 one? = 71 (N) · What number has 3 tens and 8 ones? = 38 (S)
- Clue 2 (Addition): "THE GAUGE WAS ON THE LEFT WRIST"16 + 11 = 27 (T) · 33 + 51 = 84 (H) · 12 + 20 = 32 (G) · 33 + 21 = 54 (R) · 39 + 52 = 91 (O) · 15 + 25 = 40 (N) · 28 + 66 = 94 (A) · 48 + 34 = 82 (F) · 37 + 50 = 87 (L) · 60 + 30 = 90 (E) · 27 + 36 = 63 (I) · 28 + 58 = 86 (W) · 29 + 68 = 97 (U) · 64 + 28 = 92 (S)
- Clue 3 (Subtraction): "THEY RAN AWAY FROM FREEZE DRIED APPLE"25 - 6 = 19 (T) · 93 - 18 = 75 (P) · 59 - 11 = 48 (N) · 67 - 11 = 56 (E) · 66 - 4 = 62 (Z) · 62 - 21 = 41 (F) · 48 - 13 = 35 (D) · 30 - 2 = 28 (I) · 96 - 27 = 69 (A) · 81 - 18 = 63 (O) · 89 - 6 = 83 (R) · 34 - 8 = 26 (W) · 78 - 24 = 54 (M) · 79 - 26 = 53 (H) · 79 - 37 = 42 (L) · 52 - 36 = 16 (Y)
- Clue 4 (Skip counting): "WE SAW A FLASH OF SILVER CHROME GLASS"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (W) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (V) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (C) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (R) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (G) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (M) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (F) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (E)
- Clue 5 (Missing addends): surviving statement (box 4) → Major Tom9 + ___ = 21 = 12 · 7 + ___ = 12 = 5 · 3 + ___ = 13 = 10 · 2 + ___ = 3 = 1 · 6 + ___ = 12 = 6 · 1 + ___ = 12 = 11 · 1 + ___ = 3 = 2 · 3 + ___ = 12 = 9 · 2 + ___ = 10 = 8 · 3 + ___ = 6 = 3 · 1 + ___ = 8 = 7
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Orbit City Heist — set in Orbit City Space Station
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects