Math Crackers
Grade 5Reading: grades 5-6Fractions of a numberOrder of operationsMultiplicationRoundingDivision

The Lost Temple Treasure Heist

A sneaky bandit stole the golden idol from the camp vault. Detective Sam must check the evidence to unmask the culprit before they escape the jungle.

Suspects

Possible suspects

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

21 of 21 still in play
NameInfiltration ToolEscape GearDominant HandHair StyleSilly Weakness
Trapper Tinastealth cloaklockpick setright handedslick black hairloud whistles
Wanderer Willsmoke bombsonar trackerright handedcurly brown hairloud whistles
Ranger Ricknight gogglesquiet bootsright handedspiky red hairsticky glue
Hiker Hugonight goggleslockpick setleft handedcurly brown hairbright lights
Professor Plumgrappling hooklockpick setleft handedcurly brown hairsticky glue
Pilot Pennyflash powdersuper magnetright handedspiky red hairsticky glue
Explorer Mayastealth cloakglider wingsright handedcurly brown hairsticky glue
Scholar Rubynight goggleslockpick setleft handedcurly brown hairloud whistles
Tracker Tessflash powderquiet bootsright handedspiky red hairloud whistles
Hunter Hollysmoke bombglider wingsright handedslick black hairbright lights
Officer Ottograppling hooksonar trackerright handedspiky red hairsticky glue
Adventurer Artgrappling hooksuper magnetleft handedspiky red hairsticky glue
Captain Blakenight gogglesquiet bootsright handedcurly brown hairsticky glue
Diver Danasmoke bombsonar trackerleft handedcurly brown hairbright lights
Dr Astridsmoke bombsuper magnetright handedspiky red hairbright lights
Sleuth Skysmoke bomblockpick setleft handedcurly brown hairbright lights
Guide Gabestealth cloaksuper magnetright handedspiky red hairsticky glue
Guard Gusnight goggleslockpick setright handedspiky red hairsticky glue
Rover Rexflash powdersonar trackerright handedslick black hairloud whistles
Scout Samgrappling hooksonar trackerleft handedslick black hairloud whistles
Agent Leonight goggleslockpick setleft handedspiky red hairbright lights
Clue 1

Fractions of a number

Sam measures a fraction of the remaining supply crates to decode the first lead.

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
37
2
15
30
18
4
12
39
T
37
12
26
15
11
4
26
T
37
36
11
15
18
29
26
7
16
25
39
7
16
11
15
T
37
5/10 of 74 =T
1/5 of 145 =L
1/6 of 150 =P
2/8 of 8 =H
2/6 of 48 =K
1/4 of 28 =C
1/4 of 120 =B
1/4 of 16 =N
1/5 of 130 =O
3/5 of 60 =U
3/8 of 104 =I
5/10 of 22 =S
4/8 of 30 =E
8/10 of 15 =D
1/4 of 72 =A
0/15 letters found
Clue 2

Order of operations

Solving the step by step lock equation reveals another clue about the thief.

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
12
37
80
63
34
28
34
A
12
15
44
53
44
63
37
80
66
59
A
12
25
25
53
53
15
57
15
28
34
53
54
A
12
15
57
53
2 + 2 × 5 =A
33 + 5 × 6 =G
42 + 2 × 6 =C
12 × 8 - 30 =P
2 + 5 × 7 =R
7 + 4 × 2 =N
30 + 2 × 7 =D
9 × 9 - 1 =I
8 × 8 - 11 =E
32 + 3 × 9 =W
4 × 11 - 16 =T
9 × 9 - 24 =O
19 + 5 × 3 =H
1 + 3 × 8 =S
0/14 letters found
Clue 3

Multiplication facts (1-12)

Counting the grid pattern of footprints gives the next clue.

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
72
108
15
27
40
15
56
22
64
49
T
72
T
72
88
99
30
30
15
33
44
30
36
45
27
T
72
99
60
22
45
64
8
44
15
6 × 12 =T
3 × 5 =E
8 × 11 =R
5 × 9 =Y
9 × 11 =I
4 × 11 =U
8 × 8 =G
8 × 7 =A
3 × 9 =S
3 × 10 =P
1 × 8 =L
5 × 12 =C
9 × 12 =H
11 × 2 =K
11 × 3 =D
7 × 7 =O
8 × 5 =N
4 × 9 =B
0/18 letters found
Clue 4

Rounding

The camp radar only shows rounded distance numbers for the escape route.

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
130
2300
900
230
5000
3700
70
T
130
2000
3700
70
170
500
230
90
3000
20
2900
1700
900
500
2300
200
3000
1700
3700
170
T
130
2300
900
1100
900
230
T
130
Round 130 to the nearest tenT
Round 3,681 to the nearest hundredO
Round 2,895 to the nearest hundredY
Round 1,067 to the nearest hundredV
Round 74 to the nearest tenU
Round 230 to the nearest tenS
Round 93 to the nearest tenP
Round 5,310 to the nearest thousandC
Round 173 to the nearest tenN
Round 468 to the nearest hundredD
Round 2,307 to the nearest thousandF
Round 20 to the nearest tenK
Round 1,698 to the nearest hundredR
Round 223 to the nearest hundredA
Round 2,933 to the nearest thousandI
Round 923 to the nearest hundredE
Round 2,299 to the nearest hundredH
0/17 letters found
Clue 5

Division facts (1-12) — the last clue

Splitting the recovery team into equal search groups unveils the final secret.

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
3 ÷ 3 = ?
42 ÷ 6 = ?
18 ÷ 9 = ?
99 ÷ 9 = ?
32 ÷ 8 = ?
99 ÷ 11 = ?
35 ÷ 7 = ?
66 ÷ 11 = ?
30 ÷ 3 = ?
84 ÷ 7 = ?
30 ÷ 10 = ?
Step 2 — cross out the sentence with each answer
1.The villain snuck past the patrol, then snapped up the golden idol.
2.The villain blinded the night guard, then snapped up the golden idol.
3.The villain blinded the night guard, then tracked the path with sonar.
4.The villain swung past the temple wall, then bypassed the iron gate lock.
5.The villain threw a dark smoke bomb, then ran away with quiet boots.
6.The villain snuck past the patrol, then bypassed the iron gate lock.
7.The villain scouted with night goggles, then ran away with quiet boots.
8.The villain swung past the temple wall, then tracked the path with sonar.
9.The villain snuck past the patrol, then escaped using glider wings.
10.The villain snuck past the patrol, then tracked the path with sonar.
11.The villain scouted with night goggles, then bypassed the iron gate lock.
12.The villain blinded the night guard, then bypassed the iron gate lock.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Fractions of a number, Order of operations, Multiplication, Rounding, Division
Reading level
grades 5-6
Theme
The Lost Temple Treasure Heist — set in The Sunken Jungle Ruins of Oakhaven
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

More free printable math cases

5th grade worksheetsMultiplication worksheetsDivision worksheetsRounding worksheetsFractions of a number worksheetsOrder of operations worksheetsAll worksheets →
The Mystery of the Missing Neptune Pearl
Grade 5
The Case of the Missing Pearl Scepter
Grade 5
The Mystery of Cloudcrest Airship
Grade 5
The Mystery of the Missing Championship Trophy
Grade 5