🎨 Art and the louvreGrade 5Reading: grades 3-4RoundingFractions of a numberOrder of operationsMultiplicationDivision
The Great Louvre Masterpiece Mystery
Oh no! A sneaky thief has swapped the priceless Mona Lisa with a silly crayon drawing! We must help the museum staff search the grand halls of Paris, check the clues, and find the culprit before the tourists arrive.
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 Medium | Museum Disguise | Dominant Hand | Hair Color | Deterrent |
|---|---|---|---|---|---|
| Henri Cutout | watercolor | striped shirt | left handed | neon pink | squeaky shoes |
| Pablo Cubist | watercolor | security badge | right handed | neon pink | squeaky shoes |
| Gustav Gold | spray paint | security badge | left handed | canvas white | squeaky shoes |
| Rembrandt Glow | sketch charcoal | security badge | right handed | ink black | squeaky shoes |
| Mary Pastel | sketch charcoal | security badge | left handed | canvas white | squeaky shoes |
| Pierre Row | spray paint | beret hat | left handed | neon pink | squeaky shoes |
| Johannes Pearl | spray paint | tour guide vest | left handed | neon pink | squeaky shoes |
| Frida Brow | watercolor | fancy scarf | left handed | neon pink | squeaky shoes |
| Salvador Time | spray paint | striped shirt | left handed | ink black | bright flashlight |
| Vincent Star | oil paint | tour guide vest | right handed | canvas white | loud alarm |
| Leo DaVinci | watercolor | striped shirt | right handed | ink black | loud alarm |
| Georgia Bloom | sketch charcoal | striped shirt | left handed | ink black | squeaky shoes |
| Edgar Dance | spray paint | beret hat | left handed | neon pink | loud alarm |
| Auguste Clay | sketch charcoal | beret hat | left handed | canvas white | squeaky shoes |
| Rene Pipe | sketch charcoal | tour guide vest | left handed | neon pink | squeaky shoes |
| Paul Mount | spray paint | tour guide vest | left handed | canvas white | squeaky shoes |
| Michel Angel | oil paint | tour guide vest | right handed | ink black | squeaky shoes |
| Edward Scream | clay sculpture | beret hat | right handed | canvas white | squeaky shoes |
| Jackson Splat | watercolor | tour guide vest | left handed | neon pink | bright flashlight |
| Claude Monet | sketch charcoal | tour guide vest | right handed | canvas white | bright flashlight |
| Andy Pop | clay sculpture | beret hat | right handed | ink black | bright flashlight |
Clue 1
Rounding
We checked the digital ticket scanner near the statue. The screen only shows rounded numbers to the nearest ten. Round the visitor count to find our first big 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
110
3700
1700
T
110
3700
7000
1700
50
2900
2300
1700
230
30
2300
T
110
130
1700
370
300
370
50
370
30
20
3000
230
20
370
300
50
Round 107 to the nearest tenT
Round 308 to the nearest hundredR
Round 2,852 to the nearest hundredD
Round 366 to the nearest tenA
Round 1,747 to the nearest hundredE
Round 132 to the nearest tenW
Round 29 to the nearest tenN
Round 22 to the nearest tenC
Round 3,058 to the nearest thousandY
Round 6,846 to the nearest thousandI
Round 49 to the nearest tenF
Round 2,317 to the nearest hundredO
Round 3,731 to the nearest hundredH
Round 233 to the nearest tenS
0/14 letters found
Clue 2
Fractions of a number
The culprit dropped a tray of watercolor paints. A fraction of the colors are smeared, but counting the clean ones will tell us how the villain writes!
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
L
19
27
22
17
38
11
4
23
27
23
40
32
34
23
2
27
40
3
27
14
27
L
19
27
22
17
6
4
17
38
27
2
L
19
11
40
40
1/3 of 57 =L
1/3 of 114 =H
1/3 of 81 =E
2/3 of 9 =O
1/10 of 170 =T
2/6 of 66 =F
1/2 of 6 =W
1/6 of 138 =D
1/3 of 33 =A
1/5 of 200 =S
2/5 of 35 =R
8/10 of 40 =M
2/3 of 6 =N
1/4 of 136 =U
2/10 of 10 =G
0/15 letters found
Clue 3
Order of operations
To open the locked security room door, we must solve a multi-step math equation on the keypad. Solve the steps in the correct order to reveal their main weakness!
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
45
47
69
26
67
18
18
57
67
80
35
18
69
53
31
47
69
80
T
45
47
69
79
47
52
69
79
79
71
58
69
57
68
69
53
5 × 11 - 10 =T
55 + 8 × 2 =Q
11 × 8 - 19 =E
2 + 3 × 8 =V
9 × 7 - 16 =H
6 × 10 - 2 =U
17 + 6 × 3 =F
9 × 4 - 18 =L
20 + 8 × 6 =K
11 × 3 - 2 =W
7 × 11 - 10 =I
10 × 8 - 1 =S
6 × 10 - 7 =D
7 × 9 - 11 =O
9 × 12 - 28 =N
33 + 3 × 8 =A
0/16 letters found
Clue 4
Multiplication facts (1-12)
A suspicious person ran through the gallery of ancient pottery. We count the rows of display cases and multiply them to uncover a strand of hair!
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
121
54
56
63
2
7
33
63
2
144
56
A
121
63
4
18
A
121
54
110
2
132
56
14
60
110
2
A
121
108
63
54
A
121
11 × 11 =A
8 × 7 =H
9 × 2 =W
9 × 6 =S
6 × 10 =M
2 × 2 =R
7 × 2 =E
7 × 1 =Y
9 × 12 =L
3 × 11 =P
9 × 7 =I
11 × 12 =T
2 × 1 =N
10 × 11 =O
12 × 12 =K
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
The guards found a box of stolen art supplies in the garden. Divide these items equally among the search teams to locate the final clue!
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
20 ÷ 5 = ?
56 ÷ 7 = ?
2 ÷ 2 = ?
66 ÷ 6 = ?
9 ÷ 1 = ?
14 ÷ 2 = ?
30 ÷ 3 = ?
24 ÷ 8 = ?
12 ÷ 1 = ?
15 ÷ 3 = ?
14 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain painted over the secret museum map, then jumped into a waiting taxi cab.
2.The villain swapped the portrait with a copy, then blended in with a tour group.
3.The villain swapped the portrait with a copy, then jumped into a waiting taxi cab.
4.The villain painted over the secret museum map, then ran down the grand spiral stairs.
5.The villain swapped the portrait with a copy, then escaped through the glass pyramid.
6.The villain drew a mustache on the statue, then jumped into a waiting taxi cab.
7.The villain hid the ancient vase in a bin, then escaped through the glass pyramid.
8.The villain took the golden frame off the wall, then escaped through the glass pyramid.
9.The villain took the golden frame off the wall, then ran down the grand spiral stairs.
10.The villain hid the ancient vase in a bin, then blended in with a tour group.
11.The villain drew a mustache on the statue, then blended in with a tour group.
12.The villain drew a mustache on the statue, then escaped through the glass pyramid.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Louvre Masterpiece Mystery
Culprit: Rene Pipe (sketch charcoal · tour guide vest · left handed · neon pink · squeaky shoes)
- Clue 1 (Rounding): "THE THIEF DOES NOT WEAR A FANCY SCARF"Round 107 to the nearest ten = 110 (T) · Round 308 to the nearest hundred = 300 (R) · Round 2,852 to the nearest hundred = 2900 (D) · Round 366 to the nearest ten = 370 (A) · Round 1,747 to the nearest hundred = 1700 (E) · Round 132 to the nearest ten = 130 (W) · Round 29 to the nearest ten = 30 (N) · Round 22 to the nearest ten = 20 (C) · Round 3,058 to the nearest thousand = 3000 (Y) · Round 6,846 to the nearest thousand = 7000 (I) · Round 49 to the nearest ten = 50 (F) · Round 2,317 to the nearest hundred = 2300 (O) · Round 3,731 to the nearest hundred = 3700 (H) · Round 233 to the nearest ten = 230 (S)
- Clue 2 (Fractions of a number): "LEFT HANDED SMUDGES WERE LEFT ON THE GLASS"1/3 of 57 = 19 (L) · 1/3 of 114 = 38 (H) · 1/3 of 81 = 27 (E) · 2/3 of 9 = 6 (O) · 1/10 of 170 = 17 (T) · 2/6 of 66 = 22 (F) · 1/2 of 6 = 3 (W) · 1/6 of 138 = 23 (D) · 1/3 of 33 = 11 (A) · 1/5 of 200 = 40 (S) · 2/5 of 35 = 14 (R) · 8/10 of 40 = 32 (M) · 2/3 of 6 = 4 (N) · 1/4 of 136 = 34 (U) · 2/10 of 10 = 2 (G)
- Clue 3 (Order of operations): "THE VILLAIN FLED WHEN THE SHOES SQUEAKED"5 × 11 - 10 = 45 (T) · 55 + 8 × 2 = 71 (Q) · 11 × 8 - 19 = 69 (E) · 2 + 3 × 8 = 26 (V) · 9 × 7 - 16 = 47 (H) · 6 × 10 - 2 = 58 (U) · 17 + 6 × 3 = 35 (F) · 9 × 4 - 18 = 18 (L) · 20 + 8 × 6 = 68 (K) · 11 × 3 - 2 = 31 (W) · 7 × 11 - 10 = 67 (I) · 10 × 8 - 1 = 79 (S) · 6 × 10 - 7 = 53 (D) · 7 × 9 - 11 = 52 (O) · 9 × 12 - 28 = 80 (N) · 33 + 3 × 8 = 57 (A)
- Clue 4 (Multiplication facts (1-12)): "A SHINY PINK HAIR WAS ON THE MONA LISA"11 × 11 = 121 (A) · 8 × 7 = 56 (H) · 9 × 2 = 18 (W) · 9 × 6 = 54 (S) · 6 × 10 = 60 (M) · 2 × 2 = 4 (R) · 7 × 2 = 14 (E) · 7 × 1 = 7 (Y) · 9 × 12 = 108 (L) · 3 × 11 = 33 (P) · 9 × 7 = 63 (I) · 11 × 12 = 132 (T) · 2 × 1 = 2 (N) · 10 × 11 = 110 (O) · 12 × 12 = 144 (K)
- Clue 5 (Division facts (1-12)): surviving statement (box 6) → Rene Pipe20 ÷ 5 = 4 · 56 ÷ 7 = 8 · 2 ÷ 2 = 1 · 66 ÷ 6 = 11 · 9 ÷ 1 = 9 · 14 ÷ 2 = 7 · 30 ÷ 3 = 10 · 24 ÷ 8 = 3 · 12 ÷ 1 = 12 · 15 ÷ 3 = 5 · 14 ÷ 7 = 2
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Rounding, Fractions of a number, Order of operations, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Great Louvre Masterpiece Mystery — set in The Grand Gallery of the Louvre Museum
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects