🔎 JapanGrade 6Reading: grades 1-2Place valuePercentagesExponentsOrder of operationsDivision
The Toy Museum Mystery
Oh no! A sneaky Robo-Thief took the Golden Bonsai Tree from the Tokyo Toy Museum. The thief left neon paint prints. We must find the thief!
Suspects
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
21 of 21 still in play
| Name | Art Power | Sport Power | Paint Mark | Wig Color | Secret Weakness |
|---|---|---|---|---|---|
| Kenji | origami folding | kite flying | left-handed strike | blue wig | sweet tea |
| Hana | neon glowing | train driving | left-handed strike | blue wig | sweet tea |
| Yua | ramen cooking | train driving | left-handed strike | pink wig | loud bells |
| Sakura | neon glowing | kite flying | right-handed strike | green wig | splashed water |
| Ren | origami folding | ninja jumping | left-handed strike | green wig | sweet tea |
| Naomi | neon glowing | koi swimming | right-handed strike | pink wig | splashed water |
| Hinata | drum beating | sushi rolling | left-handed strike | pink wig | sweet tea |
| Riku | anime drawing | kite flying | right-handed strike | blue wig | sweet tea |
| Miyu | drum beating | koi swimming | left-handed strike | pink wig | sweet tea |
| Satoshi | origami folding | ninja jumping | left-handed strike | blue wig | sweet tea |
| Shinji | origami folding | ninja jumping | right-handed strike | blue wig | sweet tea |
| Haru | origami folding | koi swimming | left-handed strike | blue wig | splashed water |
| Hiroshi | drum beating | kite flying | left-handed strike | blue wig | splashed water |
| Daiki | neon glowing | ninja jumping | left-handed strike | blue wig | sweet tea |
| Mari | origami folding | sushi rolling | left-handed strike | blue wig | sweet tea |
| Sora | neon glowing | ninja jumping | right-handed strike | green wig | splashed water |
| Aoi | origami folding | ninja jumping | left-handed strike | blue wig | loud bells |
| Mei | anime drawing | train driving | left-handed strike | pink wig | splashed water |
| Yuki | drum beating | sushi rolling | left-handed strike | green wig | sweet tea |
| Keiko | anime drawing | sushi rolling | right-handed strike | green wig | sweet tea |
| Takashi | ramen cooking | sushi rolling | left-handed strike | blue wig | splashed water |
Clue 1
Place value
The robot locked the door. We need to find the right number place to open it. Look at this giant digital lock.
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
60
8000
20
900
600
30
600
T
60
8000
1000
20
10
6000
600
20
80
500
600
T
60
6000
900
1000
300
20
T
60
900
40
1000
500
80
What is the value of the 6 in 799,563?T
What is the value of the 4 in 98,341?A
What is the value of the 6 in 44,643?O
What is the value of the 9 in 263,926?R
What is the value of the 8 in 99,786?S
What is the value of the 1 in 961,759?I
What is the value of the 1 in 539,410?F
What is the value of the 3 in 584,329?V
What is the value of the 5 in 369,514?N
What is the value of the 3 in 581,238?B
What is the value of the 6 in 36,354?D
What is the value of the 2 in 704,323?E
What is the value of the 8 in 518,956?H
0/13 letters found
Clue 2
Percentages
The robot left a map. A train line is partly finished. Let us find the percent of the track that is ready.
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
7
16
8
44
8
1
44
27
19
17
44
T
7
17
37
1
44
T
7
16
8
21
8
14
T
7
37
17
36
8
5% of 140 =T
50% of 42 =L
25% of 56 =F
5% of 880 =N
50% of 54 =P
25% of 148 =S
20% of 95 =A
50% of 32 =H
50% of 2 =O
40% of 20 =E
10% of 170 =I
75% of 48 =D
0/12 letters found
Clue 3
Exponents
The robot made boxes of paper cranes. The boxes stack in square shapes. Let us count how many cranes are in the pile.
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
169
25
324
361
9
216
9
T
169
16
T
169
9
121
16
256
9
361
16
32
324
324
T
169
T
169
324
81
13^2 =T
3^2 =O
11^2 =P
6^3 =B
2^8 =F
4^2 =S
3^4 =A
2^5 =W
19^2 =R
5^2 =H
18^2 =E
0/11 letters found
Clue 4
Order of operations
To brew the perfect tea, we must follow the recipe steps in order. First multiply, then add, then find the answer.
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
11
66
30
43
16
7
49
9
29
16
66
71
19
78
80
19
22
22
71
66
75
45
66
7
66
9 × 3 - 16 =W
7 × 7 - 6 =O
5 × 8 - 10 =F
64 + 4 × 4 =R
42 + 6 × 6 =I
10 × 5 - 5 =C
2 + 5 × 4 =T
41 + 5 × 5 =E
39 + 5 × 2 =D
41 + 6 × 5 =H
11 + 3 × 6 =L
8 × 12 - 21 =S
4 + 3 × 5 =A
8 + 4 × 2 =U
3 + 2 × 2 =N
5 + 2 × 2 =B
0/16 letters found
Clue 5
Division facts (1-12) — the last clue
We found a plate of sushi roll pieces. Let us share them equally among our team to solve the last puzzle.
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
35 ÷ 7 = ?
24 ÷ 12 = ?
96 ÷ 8 = ?
99 ÷ 9 = ?
4 ÷ 4 = ?
81 ÷ 9 = ?
12 ÷ 3 = ?
7 ÷ 1 = ?
90 ÷ 9 = ?
72 ÷ 12 = ?
18 ÷ 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain stirs a hot bowl of ramen, then flies a red kite in the blue sky.
2.The villain folds a giant paper crane, then rolls a quick snack for later.
3.The villain stirs a hot bowl of ramen, then jumps into the cold koi pond.
4.The villain plays a beat on the big drum, then jumps into the cold koi pond.
5.The villain lights up the room with neon, then leaps high over the tall gate.
6.The villain lights up the room with neon, then jumps into the cold koi pond.
7.The villain plays a beat on the big drum, then leaps high over the tall gate.
8.The villain folds a giant paper crane, then leaps high over the tall gate.
9.The villain lights up the room with neon, then rolls a quick snack for later.
10.The villain lights up the room with neon, then zooms away on the fast train track.
11.The villain folds a giant paper crane, then jumps into the cold koi pond.
12.The villain folds a giant paper crane, then flies a red kite in the blue sky.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Toy Museum Mystery
Culprit: Satoshi (origami folding · ninja jumping · left-handed strike · blue wig · sweet tea)
- Clue 1 (Place value): "THE ROBO THIEF DOES NOT DRIVE TRAINS"What is the value of the 6 in 799,563? = 60 (T) · What is the value of the 4 in 98,341? = 40 (A) · What is the value of the 6 in 44,643? = 600 (O) · What is the value of the 9 in 263,926? = 900 (R) · What is the value of the 8 in 99,786? = 80 (S) · What is the value of the 1 in 961,759? = 1000 (I) · What is the value of the 1 in 539,410? = 10 (F) · What is the value of the 3 in 584,329? = 300 (V) · What is the value of the 5 in 369,514? = 500 (N) · What is the value of the 3 in 581,238? = 30 (B) · What is the value of the 6 in 36,354? = 6000 (D) · What is the value of the 2 in 704,323? = 20 (E) · What is the value of the 8 in 518,956? = 8000 (H)
- Clue 2 (Percentages): "THE NEON PAINT IS ON THE LEFT SIDE"5% of 140 = 7 (T) · 50% of 42 = 21 (L) · 25% of 56 = 14 (F) · 5% of 880 = 44 (N) · 50% of 54 = 27 (P) · 25% of 148 = 37 (S) · 20% of 95 = 19 (A) · 50% of 32 = 16 (H) · 50% of 2 = 1 (O) · 40% of 20 = 8 (E) · 10% of 170 = 17 (I) · 75% of 48 = 36 (D)
- Clue 3 (Exponents): "THE ROBOT STOPS FOR SWEET TEA"13^2 = 169 (T) · 3^2 = 9 (O) · 11^2 = 121 (P) · 6^3 = 216 (B) · 2^8 = 256 (F) · 4^2 = 16 (S) · 3^4 = 81 (A) · 2^5 = 32 (W) · 19^2 = 361 (R) · 5^2 = 25 (H) · 18^2 = 324 (E)
- Clue 4 (Order of operations): "WE FOUND BLUE HAIR AT THE SCENE"9 × 3 - 16 = 11 (W) · 7 × 7 - 6 = 43 (O) · 5 × 8 - 10 = 30 (F) · 64 + 4 × 4 = 80 (R) · 42 + 6 × 6 = 78 (I) · 10 × 5 - 5 = 45 (C) · 2 + 5 × 4 = 22 (T) · 41 + 5 × 5 = 66 (E) · 39 + 5 × 2 = 49 (D) · 41 + 6 × 5 = 71 (H) · 11 + 3 × 6 = 29 (L) · 8 × 12 - 21 = 75 (S) · 4 + 3 × 5 = 19 (A) · 8 + 4 × 2 = 16 (U) · 3 + 2 × 2 = 7 (N) · 5 + 2 × 2 = 9 (B)
- Clue 5 (Division facts (1-12)): surviving statement (box 8) → Satoshi35 ÷ 7 = 5 · 24 ÷ 12 = 2 · 96 ÷ 8 = 12 · 99 ÷ 9 = 11 · 4 ÷ 4 = 1 · 81 ÷ 9 = 9 · 12 ÷ 3 = 4 · 7 ÷ 1 = 7 · 90 ÷ 9 = 10 · 72 ÷ 12 = 6 · 18 ÷ 6 = 3
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Place value, Percentages, Exponents, Order of operations, Division
- Reading level
- grades 1-2
- Theme
- The Toy Museum Mystery — set in the bright Tokyo Toy Museum
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects