Math Crackers
Grade 3Reading: grades 3-4AdditionRoundingSubtractionMultiplicationDivision

The Sky Map Heist

A mysterious Sky Bandit snuck into the Cloud Realm Explorers Base and stole the master sky map! Solve the math clues to uncover who did it and save the expedition.

Suspects

Possible suspects

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

21 of 21 still in play
NameMain GearSpecial GadgetDominant HandHair StyleTool Defense
Cadet AvaWind CannonMagnet GloveLeft HandedBraided Red HairBubble Blast
Sky Captain DanGrapple HookSmoke BombRight HandedSpiky Blue HairSqueaky Toy
Pilot LeoCloud BootsFlash BeaconLeft HandedSleek Black HairBubble Blast
Scout SamGlider WingsSonic WhistleLeft HandedBraided Red HairBubble Blast
Trapper CleoWind CannonFlash BeaconLeft HandedSpiky Blue HairBubble Blast
Ace BennettGrapple HookDecoy FlareLeft HandedBraided Red HairFlashlight Beam
Tracker IvyGrapple HookFlash BeaconLeft HandedBraided Red HairFlashlight Beam
Skye HunterWind CannonDecoy FlareLeft HandedSleek Black HairFlashlight Beam
Navigator ZoeWind CannonFlash BeaconLeft HandedSleek Black HairBubble Blast
Officer NoraCloud BootsSmoke BombRight HandedBraided Red HairBubble Blast
Commander DashGlider WingsSonic WhistleLeft HandedSpiky Blue HairBubble Blast
Agent KnoxCloud BootsMagnet GloveLeft HandedBraided Red HairBubble Blast
Cadet HollyGrapple HookSmoke BombLeft HandedBraided Red HairBubble Blast
Scout PennyWind CannonSmoke BombRight HandedBraided Red HairBubble Blast
Explorer KaiJet PackSonic WhistleLeft HandedSpiky Blue HairBubble Blast
Rover EliWind CannonSonic WhistleRight HandedSpiky Blue HairBubble Blast
Glider FinnGrapple HookMagnet GloveRight HandedBraided Red HairFlashlight Beam
Racer AxelCloud BootsSonic WhistleRight HandedSleek Black HairFlashlight Beam
Flyer MiloCloud BootsFlash BeaconLeft HandedSleek Black HairFlashlight Beam
Flyer SilasWind CannonMagnet GloveLeft HandedSpiky Blue HairFlashlight Beam
Ranger JaxWind CannonDecoy FlareLeft HandedBraided Red HairBubble Blast
Clue 1

Addition

The cartographer tallying total sky maps found extra clues written on the back.

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
261
925
490
262
742
420
420
769
742
773
323
279
490
786
773
279
T
261
363
786
490
769
786
279
773
742
853
973
925
742
786
T
261
420
490
162 + 99 =T
112 + 251 =U
410 + 363 =N
466 + 320 =S
354 + 499 =C
174 + 246 =L
197 + 293 =E
192 + 131 =D
571 + 402 =W
93 + 186 =O
526 + 399 =H
348 + 421 =A
174 + 88 =V
418 + 324 =I
0/14 letters found
Clue 2

Rounding

The cloud radar only shows rounded height numbers, revealing a hidden flying 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.

W
9000
70
400
300
4000
3000
3000
3000
60
W
9000
800
4000
600
400
40
60
300
50
80
3000
4000
400
40
4000
5000
60
2000
6000
60
3000
4000
Round 9,187 to the nearest thousandW
Round 420 to the nearest hundredT
Round 4,648 to the nearest thousandM
Round 70 to the nearest tenI
Round 5,660 to the nearest thousandC
Round 62 to the nearest tenA
Round 4,276 to the nearest thousandE
Round 54 to the nearest tenD
Round 38 to the nearest tenH
Round 338 to the nearest hundredN
Round 792 to the nearest hundredL
Round 1,804 to the nearest thousandP
Round 83 to the nearest tenU
Round 3,045 to the nearest thousandS
Round 606 to the nearest hundredF
0/15 letters found
Clue 3

Subtraction

Subtracting damaged airship gears left behind a secret code on the compass.

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
525
223
388
223
223
461
639
223
461
A
525
851
861
469
532
469
469
639
513
861
202
639
671
256
639
851
171
A
525
469
639
582 - 57 =A
394 - 171 =B
946 - 85 =T
405 - 149 =R
684 - 171 =D
366 - 195 =C
779 - 140 =E
615 - 227 =U
1024 - 173 =S
753 - 292 =L
758 - 87 =I
764 - 232 =O
520 - 318 =H
639 - 170 =P
0/14 letters found
Clue 4

Multiplication facts (1-12)

The flight logs were arranged in equal rows of crates in the cargo hold.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

B
55
99
35
40
30
121
30
99
121
30
90
35
40
99
80
66
99
35
18
30
80
84
121
99
121
96
121
32
66
B
55
121
90
40
18
30
5 × 11 =B
11 × 11 =E
12 × 7 =W
4 × 8 =F
10 × 9 =H
4 × 10 =I
6 × 3 =N
3 × 10 =D
10 × 8 =S
7 × 5 =A
12 × 8 =L
6 × 11 =T
11 × 9 =R
0/13 letters found
Clue 5

Division facts (1-12) — the last clue

Sharing supplies equally among the rescue teams unlocked a locked vault door.

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 ÷ 5 = ?
24 ÷ 3 = ?
110 ÷ 11 = ?
49 ÷ 7 = ?
24 ÷ 2 = ?
24 ÷ 4 = ?
132 ÷ 12 = ?
45 ÷ 5 = ?
15 ÷ 3 = ?
6 ÷ 2 = ?
5 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain bounced off using cloud boots, then lit a flash beacon.
2.The villain blasted past with a wind cannon, then launched a decoy flare.
3.The villain blasted past with a wind cannon, then dropped a smoke bomb.
4.The villain bounced off using cloud boots, then grabbed gold with a magnet glove.
5.The villain swung across on a grapple hook, then blew a sonic whistle.
6.The villain bounced off using cloud boots, then dropped a smoke bomb.
7.The villain flew away on glider wings, then dropped a smoke bomb.
8.The villain swung across on a grapple hook, then dropped a smoke bomb.
9.The villain zoomed high with a jet pack, then dropped a smoke bomb.
10.The villain blasted past with a wind cannon, then grabbed gold with a magnet glove.
11.The villain zoomed high with a jet pack, then launched a decoy flare.
12.The villain blasted past with a wind cannon, then blew a sonic whistle.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Addition, Rounding, Subtraction, Multiplication, Division
Reading level
grades 3-4
Theme
The Sky Map Heist — set in The Cloud Realm Explorers Base
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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