Math Crackers
🚀 SpaceGrade 5Reading: grades 5-6Place valueAdditionSubtractionMultiplicationDivision

The Starlight Station Heist

Someone snuck into the observatory deck of Starlight Station Alpha and disrupted the deep space telescope. Match the clues to find out which rogue astronaut is responsible.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameGadgetSuit GearGlove MarkerHelmet StripeDistraction
Engineer GanymedePlasma CannonJetpack BoostLeft Glove PatchCobalt Blue StripeSolar Flare Flares
Captain SolPhoton ShieldRadar VisorRight Glove PatchSilver Chrome StripeRadio Static Noise
Officer CallistoLaser GridRadar VisorRight Glove PatchNeon Red StripeSolar Flare Flares
Captain CygnusStasis FieldJetpack BoostRight Glove PatchSilver Chrome StripeSolar Flare Flares
Engineer AtlasStasis FieldMagnetic BeltLeft Glove PatchNeon Red StripeSpace Dust Clumps
Agent ZenithPhoton ShieldOxygen PackRight Glove PatchCobalt Blue StripeSolar Flare Flares
Commander NovaSonic BeaconOxygen PackRight Glove PatchSilver Chrome StripeSpace Dust Clumps
Ranger OberonSonic BeaconGravity BootsLeft Glove PatchNeon Red StripeSolar Flare Flares
Cadet PolarisSonic BeaconJetpack BoostLeft Glove PatchNeon Red StripeRadio Static Noise
Ranger DracoSonic BeaconRadar VisorRight Glove PatchCobalt Blue StripeSolar Flare Flares
Cadet IoLaser GridGravity BootsRight Glove PatchCobalt Blue StripeSolar Flare Flares
Dr EuropaSonic BeaconJetpack BoostLeft Glove PatchSilver Chrome StripeRadio Static Noise
Commander KeplerPhoton ShieldMagnetic BeltLeft Glove PatchCobalt Blue StripeRadio Static Noise
Officer LyraSonic BeaconJetpack BoostRight Glove PatchCobalt Blue StripeSolar Flare Flares
Pilot CassiopeiaPhoton ShieldRadar VisorRight Glove PatchCobalt Blue StripeRadio Static Noise
Tech TitanLaser GridJetpack BoostRight Glove PatchNeon Red StripeSpace Dust Clumps
Tech VegaPlasma CannonJetpack BoostLeft Glove PatchCobalt Blue StripeRadio Static Noise
Pilot TritonPlasma CannonRadar VisorRight Glove PatchCobalt Blue StripeSolar Flare Flares
Cadet VancePlasma CannonOxygen PackLeft Glove PatchNeon Red StripeSolar Flare Flares
Officer AltairPlasma CannonGravity BootsLeft Glove PatchNeon Red StripeSolar Flare Flares
Agent PhoebeStasis FieldJetpack BoostRight Glove PatchNeon Red StripeRadio Static Noise
Clue 1

Place value

The station computer logged a security code but only revealed digits by their place values.

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
70
200
400
50
700
300
300
900
700
5000
30
4000
400
60
5000
4000
T
70
8000
60
400
10
2000
900
50
700
T
70
100
500
4000
4000
T
70
60
What is the value of the 7 in 23,678?T
What is the value of the 1 in 72,130?Y
What is the value of the 2 in 737,250?H
What is the value of the 5 in 45,078?N
What is the value of the 7 in 992,706?I
What is the value of the 5 in 444,652?V
What is the value of the 6 in 79,764?S
What is the value of the 8 in 998,045?U
What is the value of the 2 in 612,355?R
What is the value of the 9 in 42,983?A
What is the value of the 3 in 91,632?D
What is the value of the 4 in 374,803?O
What is the value of the 5 in 34,507?B
What is the value of the 3 in 919,349?L
What is the value of the 1 in 470,515?G
What is the value of the 4 in 129,419?E
0/16 letters found
Clue 2

Addition

To calculate energy drained during the outage the cadet tallied up total power usage.

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
8720
7118
4941
2413
6805
2413
6508
4941
2661
T
8720
4767
2010
6342
4941
2014
6342
4788
4308
7118
T
8720
4308
3416
2010
3014
4941
6508
2014
T
8720
2661
7118
2010
8116
2413
4788
T
8720
4941
2900 + 5820 =T
4401 + 2404 =U
1945 + 1069 =V
1296 + 714 =O
2655 + 3853 =P
2160 + 2628 =I
1241 + 1172 =S
4261 + 2081 =R
5533 + 2583 =N
2649 + 2118 =W
1468 + 2840 =G
2715 + 2226 =E
1725 + 936 =C
1054 + 2362 =L
1353 + 661 =A
2726 + 4392 =H
0/16 letters found
Clue 3

Subtraction

The navigation team checked how far off course the station floated by finding the difference in coordinates.

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
8892
6494
1447
6048
8932
8413
4890
1769
T
8892
1933
8932
4160
6494
8932
8595
T
8892
1447
4890
6048
3013
6048
2713
1769
8192
6494
T
8892
4160
5377
8595
8932
2713
7429
8595
8932
2713
1447
4160
11523 - 2631 =T
8319 - 127 =G
10509 - 4461 =B
4132 - 2685 =E
6569 - 1192 =O
12209 - 4780 =F
5790 - 3077 =R
6662 - 168 =H
9055 - 460 =L
11664 - 3251 =N
4210 - 1197 =Y
6519 - 4586 =W
7785 - 3625 =S
6481 - 4712 =I
13299 - 4367 =A
5728 - 838 =D
0/16 letters found
Clue 4

Multiplication facts (1-12)

The chief engineer inspected equal rows of solar panels across multiple arrays to check for damage.

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
144
15
45
100
45
15
28
99
28
15
99
45
63
54
28
14
28
21
14
28
54
21
45
77
A
144
64
14
77
64
6
28
35
64
28
21
48
12 × 12 =A
4 × 12 =K
9 × 7 =R
8 × 8 =L
3 × 7 =C
2 × 3 =U
2 × 7 =T
9 × 6 =D
9 × 5 =O
7 × 11 =B
4 × 7 =E
11 × 9 =S
10 × 10 =Z
5 × 7 =F
3 × 5 =N
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

The science crew split the remaining emergency battery cells equally among the life support bays.

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 ÷ 9 = ?
27 ÷ 9 = ?
64 ÷ 8 = ?
40 ÷ 4 = ?
32 ÷ 8 = ?
12 ÷ 2 = ?
56 ÷ 8 = ?
12 ÷ 1 = ?
90 ÷ 10 = ?
20 ÷ 10 = ?
33 ÷ 3 = ?
Step 2 — cross out the sentence with each answer
1.The villain fired the plasma cannon, then scouted routes with a radar visor.
2.The villain jammed signals with a sonic beacon, then hooked onto beams with a magnetic belt.
3.The villain jammed signals with a sonic beacon, then escaped using a jetpack boost.
4.The villain bypassed the laser grid, then walked along walls with gravity boots.
5.The villain deflected sensors with a photon shield, then vented extra gas from an oxygen pack.
6.The villain deflected sensors with a photon shield, then walked along walls with gravity boots.
7.The villain jammed signals with a sonic beacon, then vented extra gas from an oxygen pack.
8.The villain jammed signals with a sonic beacon, then scouted routes with a radar visor.
9.The villain fired the plasma cannon, then walked along walls with gravity boots.
10.The villain activated a stasis field, then hooked onto beams with a magnetic belt.
11.The villain bypassed the laser grid, then scouted routes with a radar visor.
12.The villain bypassed the laser grid, then escaped using a jetpack boost.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Place value, Addition, Subtraction, Multiplication, Division
Reading level
grades 5-6
Theme
The Starlight Station Heist — set in Starlight Station Alpha
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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