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

The Temple of the Golden Jaguar

A sneaky rogue explorer has slipped past the camp guards and stolen the legendary Golden Jaguar mask! The chief archeologist needs your help. We have a list of suspects, but we must use camp clues and local riddles to track down the thief before they escape on the riverboat.

Suspects

Possible suspects

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

21 of 21 still in play
NameSignature ToolEscape VehicleFlashlight HoldMud Stain ColorCamp Obstacle
Jack Hunterdecoder ringkayakright-handed gripgray dustancient gate
Steve Irwindecoder ringdirt bikeright-handed gripyellow pollenhowler monkey
Indiana Jonesmetal detectordirt bikeleft-handed gripred river clayhowler monkey
Sacagaweadecoder ringdirt bikeright-handed gripyellow pollenancient gate
Nathan Drakemetal detectorziplineleft-handed gripgray duststicky vine trap
Chloe Frazermacheterope swingleft-handed gripred river clayhowler monkey
Allan Quatermainmachetebamboo raftleft-handed gripred river clayhowler monkey
Carmen Sandiegograppling hookbamboo raftright-handed gripgray dustancient gate
Sully Sullivangrappling hookrope swingright-handed gripgray duststicky vine trap
Amelia Earhartdecoder ringziplineleft-handed gripyellow pollenhowler monkey
Dirk Pittmachetebamboo raftleft-handed gripred river clayancient gate
Danny Oceandecoder ringdirt bikeleft-handed gripred river clayancient gate
Lara Croftspyglasskayakleft-handed gripyellow pollensticky vine trap
Roy Chapmandecoder ringrope swingleft-handed gripred river clayhowler monkey
Ibn Battutametal detectorbamboo raftleft-handed gripred river claysticky vine trap
Phileas Foggspyglassbamboo raftleft-handed gripred river clayhowler monkey
Jane Goodallmetal detectorrope swingright-handed gripgray dustancient gate
Benjamin Gatesspyglasskayakleft-handed gripgray dustancient gate
Marco Polograppling hookbamboo raftleft-handed gripred river clayancient gate
Evelyn Carnahanmacheteziplineleft-handed gripred river clayhowler monkey
Nellie Blygrappling hookbamboo raftright-handed gripred river clayhowler monkey
Clue 1

Fractions of a number

We found a torn explorer logbook by the river. To find out which escape vehicle the thief avoided, we must calculate what fraction of the pages remain dry.

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
33
31
5
T
33
31
11
5
9
32
11
32
38
39
T
33
5
19
36
28
29
5
39
38
28
12
39
29
5
19
2
11
38
10
5/10 of 66 =T
5/10 of 64 =D
1/8 of 88 =I
5/10 of 76 =N
1/5 of 180 =C
1/2 of 24 =R
3/6 of 18 =F
3/6 of 78 =O
1/6 of 168 =A
1/3 of 30 =G
2/6 of 87 =P
3/6 of 62 =H
2/3 of 3 =W
1/8 of 152 =S
2/8 of 20 =E
0/15 letters found
Clue 2

Order of operations

A locked stone door blocks our path. We must solve the multi-step equation carved on the archway in the correct order to reveal the flashlight grip left on the handle.

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
69
64
50
47
30
19
26
64
30
39
33
64
T
69
7
19
26
64
50
30
44
39
66
T
69
64
50
30
50
47
T
69
64
19
66
44
8 × 12 - 27 =T
41 + 3 × 3 =E
7 × 6 - 12 =L
5 × 7 - 9 =S
12 + 3 × 9 =I
7 × 9 - 16 =F
12 × 5 - 16 =D
3 + 2 × 2 =W
10 + 9 × 6 =H
7 × 7 - 16 =G
10 × 9 - 24 =N
13 + 2 × 3 =A
0/12 letters found
Clue 3

Multiplication facts (1-12)

The team found crates of supply ropes stacked in matching rows. Multiplying the rows reveals the exact number of rope bundles and a clue about what slowed the thief down.

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

H
48
33
44
27
35
77
9
33
50
15
35
25
110
110
70
77
35
14
9
35
7
14
32
32
H
48
35
32
H
48
22
35
55
6 × 8 =H
2 × 7 =A
10 × 7 =C
11 × 4 =W
9 × 1 =M
11 × 10 =S
4 × 8 =T
7 × 5 =E
11 × 5 =F
11 × 7 =R
7 × 1 =D
3 × 11 =O
11 × 2 =I
9 × 3 =L
5 × 5 =Y
3 × 5 =K
10 × 5 =N
0/17 letters found
Clue 4

Rounding

A dusty tracking screen in the research tent shows a blurry map. By rounding the distance numbers to the nearest ten, we can pinpoint the exact colored residue left behind.

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

R
3000
2000
500
R
3000
110
5000
2000
R
3000
1100
1300
7000
370
130
7000
430
1300
2000
20
2900
300
3700
2900
30
2000
130
7000
1300
1300
Round 2,791 to the nearest thousandR
Round 5,147 to the nearest thousandV
Round 427 to the nearest tenS
Round 366 to the nearest tenY
Round 3,683 to the nearest hundredN
Round 1,137 to the nearest hundredC
Round 2,309 to the nearest thousandE
Round 7,440 to the nearest thousandA
Round 134 to the nearest tenW
Round 309 to the nearest hundredO
Round 114 to the nearest tenI
Round 34 to the nearest tenH
Round 17 to the nearest tenF
Round 515 to the nearest hundredD
Round 2,928 to the nearest hundredT
Round 1,294 to the nearest hundredL
0/16 letters found
Clue 5

Division facts (1-12) — the last clue

We must divide our water canteens equally among the search teams before heading into the deep jungle to discover which trap finally stopped the runner.

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
42 ÷ 6 = ?
9 ÷ 9 = ?
12 ÷ 1 = ?
80 ÷ 10 = ?
8 ÷ 2 = ?
36 ÷ 12 = ?
27 ÷ 3 = ?
70 ÷ 7 = ?
16 ÷ 8 = ?
110 ÷ 10 = ?
30 ÷ 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain steals the golden jaguar paws, then dashes through the thick ferns.
2.The villain swipes the golden jaguar mask, then paddles away into the mist.
3.The villain sneaks past the temple guard, then paddles away into the mist.
4.The villain steals the golden jaguar paws, then runs along the canopy walkway.
5.The villain grabs the ancient stone map, then paddles away into the mist.
6.The villain swipes the golden jaguar mask, then runs along the canopy walkway.
7.The villain takes the ruby eyes of the idol, then flees down the rushing river.
8.The villain swipes the golden jaguar mask, then dashes through the thick ferns.
9.The villain grabs the ancient stone map, then flees down the rushing river.
10.The villain takes the ruby eyes of the idol, then climbs up the stone pillars.
11.The villain steals the golden jaguar paws, then paddles away into the mist.
12.The villain swipes the golden jaguar mask, then flees down the rushing river.
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 Temple of the Golden Jaguar — set in the ancient, vine-covered Temple of the Golden Jaguar deep in the whispering jungle
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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