Math Mysteries
🔎 GodzillaGrade 5Reading: grades 5-6MultiplicationFractions of a numberOrder of operationsRoundingDivision

The Tokyo Bay Titan Emergency

A rogue pilot has slipped into the high-tech military hangar and stolen the experimental Titan-Lure transmitter! If they activate it, a giant sea monster sleeping deep under Tokyo Bay will wake up. You must scan the clues and track down the culprit before the monster rises.

Suspects

Possible suspects

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

21 of 21 still in play
NameMech Suit TypeStolen WeaponCockpit HabitFound Hair EvidenceWeapon Vulnerability
Yuji ShinodaMark Five StrikerBio Poison DartRight-handed controlsShort silver hairExtreme heat pulse
Dr HayashidaLaser Cannon TitanAtomic Heat RayLeft-handed controlsLong brown hairHigh frequency sonar
Pilot RenLaser Cannon TitanAtomic Heat RayRight-handed controlsSpiky black hairExtreme heat pulse
Officer TanakaHeavy Shield TankEMP DisruptorRight-handed controlsSpiky black hairLiquid nitrogen spray
Captain SatoGiga Drill JaegerEMP DisruptorLeft-handed controlsSpiky black hairExtreme heat pulse
Dr YamaneGiga Drill JaegerAtomic Heat RayLeft-handed controlsSpiky black hairHigh frequency sonar
Dr MiyajimaGiga Drill JaegerFreeze Ray BlasterLeft-handed controlsShort silver hairHigh frequency sonar
Dr ShiragamiHeavy Shield TankGravity Beam RifleRight-handed controlsSpiky black hairHigh frequency sonar
Pilot MikiMark Five StrikerBio Poison DartLeft-handed controlsSpiky black hairHigh frequency sonar
Yui TataraHeavy Shield TankBio Poison DartLeft-handed controlsSpiky black hairHigh frequency sonar
Dr KirishimaMark Five StrikerFreeze Ray BlasterLeft-handed controlsSpiky black hairHigh frequency sonar
Shinichi ChujoSonic Jet AlphaEMP DisruptorLeft-handed controlsShort silver hairHigh frequency sonar
Dr MatsumiyaSonic Jet AlphaEMP DisruptorRight-handed controlsLong brown hairExtreme heat pulse
Kenji NoguchiMark Five StrikerBio Poison DartLeft-handed controlsShort silver hairHigh frequency sonar
Major HicksSonic Jet AlphaFreeze Ray BlasterLeft-handed controlsLong brown hairLiquid nitrogen spray
Pilot KatsuraLaser Cannon TitanGravity Beam RifleLeft-handed controlsSpiky black hairHigh frequency sonar
Captain GordonSonic Jet AlphaEMP DisruptorLeft-handed controlsSpiky black hairLiquid nitrogen spray
Goro IbukiGiga Drill JaegerEMP DisruptorLeft-handed controlsLong brown hairExtreme heat pulse
Captain YuriLaser Cannon TitanGravity Beam RifleRight-handed controlsSpiky black hairExtreme heat pulse
Dr KyoheiMark Five StrikerBio Poison DartLeft-handed controlsSpiky black hairLiquid nitrogen spray
Professor IshiroLaser Cannon TitanGravity Beam RifleLeft-handed controlsSpiky black hairLiquid nitrogen spray
Clue 1

Multiplication facts (1-12)

Our scouts found rows of shipping containers knocked over by the escaping mech suit. If there are several neat rows of crates, we can multiply them to find the total 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.

T
144
56
66
7
5
60
33
T
144
25
33
66
120
40
33
T
144
63
120
66
T
144
56
66
8
22
66
66
100
66
22
15
45
2
60
15
120
T
144
66
22
12 × 12 =T
12 × 10 =S
5 × 3 =A
8 × 7 =H
4 × 2 =F
12 × 5 =L
2 × 1 =B
6 × 11 =E
10 × 10 =Z
9 × 5 =Y
1 × 5 =I
1 × 7 =P
11 × 2 =R
5 × 5 =D
5 × 8 =N
11 × 3 =O
7 × 9 =U
0/17 letters found
Clue 2

Fractions of a number

The thief drained power from our backup battery bank to jumpstart their heavy gear. Our screen shows that only a fraction of the total power cells are still fully charged.

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
5
40
9
7
2
7
12
24
29
T
5
22
29
21
27
6
14
9
11
9
6
16
21
6
40
9
22
2
34
T
5
40
9
27
9
36
T
5
5/6 of 6 =T
7/8 of 24 =A
3/6 of 22 =R
2/5 of 40 =M
1/10 of 90 =E
2/5 of 90 =F
6/8 of 36 =L
2/5 of 100 =H
1/6 of 12 =O
1/6 of 144 =P
2/5 of 55 =D
2/5 of 35 =W
4/8 of 58 =I
2/8 of 28 =C
1/3 of 36 =K
1/3 of 18 =S
2/8 of 136 =N
0/17 letters found
Clue 3

Order of operations

To crack the locked flight log of the stolen vehicle, we must run a complex command line. Solving this multi-step equation using the proper order of operations will reveal the flight 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.

S
79
9
61
S
79
52
76
S
79
56
9
49
9
32
49
9
56
9
54
49
76
9
35
9
S
79
52
61
18
76
76
9
S
79
62
S
79
49
18
61
32
9
23 + 7 × 8 =S
4 × 11 - 12 =C
64 + 3 × 4 =R
8 × 6 - 13 =M
9 + 9 × 5 =X
21 + 5 × 8 =N
11 × 7 - 15 =I
6 × 6 - 18 =A
12 × 6 - 20 =O
3 + 3 × 2 =E
34 + 3 × 5 =T
10 × 6 - 4 =D
0/12 letters found
Clue 4

Rounding

The long-range radar is glitching and cannot give an exact weight for the getaway craft. The screen only displays the estimated weight rounded to the nearest thousand tons.

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
50
7000
1700
90
110
70
20
430
2000
9000
3000
500
290
5000
900
4300
3000
430
370
2900
900
70
20
430
9000
70
370
230
7000
430
7000
900
370
Round 50 to the nearest tenW
Round 940 to the nearest hundredA
Round 86 to the nearest tenO
Round 2,944 to the nearest hundredR
Round 108 to the nearest tenU
Round 70 to the nearest tenN
Round 18 to the nearest tenD
Round 373 to the nearest tenT
Round 2,070 to the nearest thousandP
Round 8,949 to the nearest thousandI
Round 230 to the nearest tenH
Round 521 to the nearest hundredY
Round 5,422 to the nearest thousandL
Round 7,338 to the nearest thousandE
Round 4,349 to the nearest hundredC
Round 1,736 to the nearest hundredF
Round 2,799 to the nearest thousandK
Round 426 to the nearest tenS
Round 287 to the nearest tenB
0/19 letters found
Clue 5

Division facts (1-12) — the last clue

We need to distribute the remaining energy shields equally among our shoreline defense towers. Dividing the total shield units by the number of active towers will keep Tokyo safe.

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
84 ÷ 7 = ?
56 ÷ 8 = ?
5 ÷ 1 = ?
70 ÷ 7 = ?
40 ÷ 10 = ?
56 ÷ 7 = ?
14 ÷ 7 = ?
81 ÷ 9 = ?
33 ÷ 3 = ?
3 ÷ 1 = ?
42 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain steals the mech keycard, then races toward the shoreline.
2.The villain disables the security grid, then races toward the shoreline.
3.The villain overloads the reactor shield, then speeds off in an armored jeep.
4.The villain hacks the tracking radar, then escapes in a stealth sub.
5.The villain overloads the reactor shield, then races toward the shoreline.
6.The villain disables the security grid, then flees into the foggy bay.
7.The villain bypasses the titanium vault, then leaps onto the launch pad.
8.The villain bypasses the titanium vault, then races toward the shoreline.
9.The villain disables the security grid, then speeds off in an armored jeep.
10.The villain steals the mech keycard, then flees into the foggy bay.
11.The villain steals the mech keycard, then leaps onto the launch pad.
12.The villain disables the security grid, then escapes in a stealth sub.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Multiplication, Fractions of a number, Order of operations, Rounding, Division
Reading level
grades 5-6
Theme
The Tokyo Bay Titan Emergency — set in G-Force Outpost Four, right on the edge of Tokyo Bay
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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