Math Crackers
Grade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Mystery of the Golden Idol

Someone snuck into the central chamber of Sunstone Temple and snatched the ancient Golden Idol! The camp is in chaos, but clues were left behind around the ruins.

Suspects

Possible suspects

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

21 of 21 still in play
NameGear ItemSpecialty SkillTorch PositionHeadwearBiggest Fear
Ian MalcolmCompass ToolWall ClimbingTorch on Right BeltBandana CapFear of Snakes
Indiana JonesCompass ToolWall ClimbingTorch on Right BeltPith HelmetAllergic to Pollen
Evie CarnahanGrappling HookMap ReadingTorch on Left BeltBandana CapScared of Bats
Dirk PittDecoder RingMap ReadingTorch on Right BeltBandana CapFear of Snakes
Marion RavenwoodCompass ToolTrap DisarmingTorch on Left BeltBandana CapAllergic to Pollen
Flynn RiderGlider WingsVine SwingingTorch on Right BeltBandana CapFear of Snakes
Benjamin GatesSmoke BombMap ReadingTorch on Right BeltBandana CapFear of Snakes
Marcus BrodyGlider WingsMap ReadingTorch on Left BeltBandana CapFear of Snakes
Elizabeth SwannGlider WingsWall ClimbingTorch on Left BeltLeather FedoraAllergic to Pollen
Elena FisherCompass ToolMap ReadingTorch on Left BeltBandana CapAllergic to Pollen
Abigail ChaseSmoke BombMap ReadingTorch on Right BeltPith HelmetFear of Snakes
Chloe FrazerSmoke BombStealth WalkingTorch on Right BeltPith HelmetAllergic to Pollen
Sydney FoxGlider WingsTrap DisarmingTorch on Left BeltLeather FedoraFear of Snakes
SallahDecoder RingStealth WalkingTorch on Right BeltBandana CapFear of Snakes
Riley PooleDecoder RingTrap DisarmingTorch on Right BeltPith HelmetScared of Bats
Mutt WilliamsSmoke BombMap ReadingTorch on Left BeltPith HelmetAllergic to Pollen
Rick OConnellSmoke BombTrap DisarmingTorch on Right BeltPith HelmetAllergic to Pollen
Sully SullivanCompass ToolMap ReadingTorch on Left BeltLeather FedoraFear of Snakes
Alan GrantSmoke BombMap ReadingTorch on Right BeltLeather FedoraAllergic to Pollen
Will TurnerGrappling HookMap ReadingTorch on Right BeltLeather FedoraFear of Snakes
Ellie SattlerGlider WingsMap ReadingTorch on Right BeltBandana CapAllergic to Pollen
Clue 1

Rounding

The temple radar screen only shows rounded estimates of distance.

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
50
3000
2900
T
50
3000
1100
2900
1700
2300
30
2900
500
5000
30
T
50
3000
130
9000
2900
700
130
20
20
230
20
1100
430
3700
1100
5000
300
Round 49 to the nearest tenT
Round 674 to the nearest hundredW
Round 24 to the nearest tenL
Round 2,687 to the nearest thousandH
Round 5,130 to the nearest thousandN
Round 2,270 to the nearest hundredD
Round 1,103 to the nearest hundredI
Round 227 to the nearest tenC
Round 2,942 to the nearest hundredE
Round 541 to the nearest hundredS
Round 305 to the nearest hundredG
Round 3,686 to the nearest hundredB
Round 9,452 to the nearest thousandV
Round 134 to the nearest tenA
Round 1,730 to the nearest hundredF
Round 428 to the nearest tenM
Round 29 to the nearest tenO
0/17 letters found
Clue 2

Addition

The team added up all the expedition packs left near the gate.

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
8723
6136
6257
5606
3317
5606
2590
6257
8569
T
8723
6136
4994
5606
4994
8396
3277
4994
5606
6136
3277
4162
9809
6136
T
8723
6929
9217
T
8723
6136
6257
5248
4162
9809
6136
T
8723
5018 + 3705 =T
4860 + 4357 =N
1106 + 2211 =U
3412 + 4984 =F
1628 + 2534 =I
1348 + 1242 =P
1641 + 3607 =R
2984 + 5585 =C
1731 + 3875 =S
2269 + 4660 =O
3625 + 2511 =H
4475 + 5334 =G
1734 + 1543 =L
3885 + 2372 =E
2673 + 2321 =A
0/15 letters found
Clue 3

Subtraction

The detective checked how many gold coins were missing from the box.

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
7886
2705
4205
6839
2791
8500
8500
6294
2791
4563
4456
6294
3704
3704
1857
6294
8062
4205
5205
6294
4456
6294
2012
1089
2012
3704
4563
6294
5635
4205
3704
11667 - 3781 =T
6421 - 786 =K
6489 - 2785 =S
9081 - 3876 =D
5808 - 1603 =E
4224 - 1519 =H
2662 - 805 =C
8593 - 2299 =A
5414 - 851 =N
12789 - 4727 =R
9051 - 2212 =V
3196 - 405 =I
10543 - 2043 =L
1779 - 690 =B
3393 - 1381 =Y
9194 - 4738 =W
0/16 letters found
Clue 4

Multiplication facts (1-12)

The scouts found equal groups of stone carved tiles in the dirt.

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

F
121
64
11
2
120
F
121
84
35
144
10
1
F
121
144
64
49
84
35
84
2
120
84
2
84
1
84
4
11 × 11 =F
1 × 4 =P
10 × 1 =I
5 × 7 =B
1 × 1 =C
7 × 7 =M
1 × 2 =N
8 × 8 =O
7 × 12 =A
12 × 10 =D
12 × 12 =R
11 × 1 =U
0/12 letters found
Clue 5

Division facts (1-12) — the last clue

The team split the glowing crystals evenly among the canvas sacks.

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
2 ÷ 2 = ?
40 ÷ 4 = ?
8 ÷ 2 = ?
18 ÷ 2 = ?
12 ÷ 1 = ?
30 ÷ 10 = ?
40 ÷ 8 = ?
18 ÷ 9 = ?
56 ÷ 8 = ?
77 ÷ 7 = ?
56 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain used a decoder ring on the ancient lock, then used map reading tricks.
2.The villain tossed a smoke bomb to break in, then practiced stealth walking methods.
3.The villain used a decoder ring on the ancient lock, then tried wall climbing moves.
4.The villain tossed a smoke bomb to break in, then used map reading tricks.
5.The villain checked a compass tool to navigate, then practiced stealth walking methods.
6.The villain deployed glider wings to fly inside, then showed off vine swinging skills.
7.The villain deployed glider wings to fly inside, then practiced stealth walking methods.
8.The villain fired a grappling hook onto the ledge, then practiced stealth walking methods.
9.The villain fired a grappling hook onto the ledge, then attempted trap disarming steps.
10.The villain used a decoder ring on the ancient lock, then practiced stealth walking methods.
11.The villain used a decoder ring on the ancient lock, then showed off vine swinging skills.
12.The villain fired a grappling hook onto the ledge, then showed off vine swinging skills.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Rounding, Addition, Subtraction, Multiplication, Division
Reading level
grades 3-4
Theme
The Mystery of the Golden Idol — set in The Sunken Temple of Sunstone Valley
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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