🔎 Princess ballGrade 2Reading: grades 3-4AdditionSubtractionRoundingPlace valueDivision
The Midnight Slipper Mystery
During the annual Royal Moonlight Ball, the royal crown disappeared right from the display pedestal! Solve the math clues to discover which guest took the crown.
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 | Dance Style | Royal Prop | Dancing Hand | Hairstyle | Secret Flaw |
|---|---|---|---|---|---|
| Princess Rosalind | Tango Leap | Velvet Cape | Left-handed | Braided Crown | Music Trance |
| Lady Ophelia | Waltz Spin | Golden Fan | Left-handed | Curled Updo | Music Trance |
| Duchess Ella | Waltz Spin | Silver Wand | Right-handed | Flowing Waves | Rose Allergy |
| Princess Clara | Polka Twirl | Silk Mask | Left-handed | Flowing Waves | Rose Allergy |
| Baroness Aurora | Waltz Spin | Velvet Cape | Left-handed | Curled Updo | Music Trance |
| Princess Fiona | Tango Leap | Pearl Scepter | Left-handed | Curled Updo | Music Trance |
| Princess Daphne | Tango Leap | Velvet Cape | Right-handed | Flowing Waves | Rose Allergy |
| Princess Lucinda | Minuet Step | Silk Mask | Left-handed | Braided Crown | Rose Allergy |
| Duchess Flora | Foxtrot Glide | Velvet Cape | Right-handed | Braided Crown | Rose Allergy |
| Lady Sophia | Minuet Step | Silk Mask | Right-handed | Flowing Waves | Rose Allergy |
| Duchess Mariana | Waltz Spin | Silver Wand | Left-handed | Braided Crown | Rose Allergy |
| Duchess Odette | Polka Twirl | Golden Fan | Left-handed | Flowing Waves | Mouse Fear |
| Countess Giselle | Tango Leap | Velvet Cape | Left-handed | Flowing Waves | Rose Allergy |
| Lady Evangeline | Waltz Spin | Pearl Scepter | Left-handed | Flowing Waves | Music Trance |
| Lady Genevieve | Foxtrot Glide | Velvet Cape | Left-handed | Braided Crown | Mouse Fear |
| Princess Belle | Tango Leap | Silver Wand | Left-handed | Curled Updo | Mouse Fear |
| Princess Victoria | Waltz Spin | Golden Fan | Right-handed | Flowing Waves | Rose Allergy |
| Lady Penelope | Waltz Spin | Silk Mask | Right-handed | Curled Updo | Rose Allergy |
| Duchess Beatrice | Foxtrot Glide | Silver Wand | Right-handed | Flowing Waves | Rose Allergy |
| Countess Juliet | Waltz Spin | Silver Wand | Right-handed | Flowing Waves | Music Trance |
| Princess Helena | Minuet Step | Velvet Cape | Right-handed | Braided Crown | Mouse Fear |
Clue 1
Addition
The royal page counted all the invitations delivered to the east wing and west wing to track guest arrivals.
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
73
66
42
61
29
61
68
42
65
T
73
22
40
42
61
28
40
T
73
65
96
45
45
50
96
46
40
97
22
42
28
51
96
28
37 + 36 =T
46 + 22 =P
26 + 14 =O
35 + 16 =F
45 + 20 =C
11 + 18 =U
20 + 22 =E
35 + 62 =L
19 + 9 =N
13 + 9 =D
13 + 33 =G
29 + 16 =R
19 + 42 =S
22 + 44 =H
64 + 32 =A
22 + 28 =Y
0/16 letters found
Clue 2
Subtraction
The ballroom butler checked how many glass slippers remained on the tray after guests took theirs.
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
20
60
80
17
81
63
63
67
81
23
13
67
23
89
80
84
11
81
T
20
60
T
20
60
80
81
70
70
81
27
60
T
20
60
67
23
13
52 - 32 =T
100 - 30 =R
48 - 21 =G
100 - 33 =A
98 - 35 =L
99 - 19 =E
99 - 15 =S
68 - 8 =H
26 - 15 =W
21 - 4 =V
118 - 29 =C
94 - 13 =I
35 - 12 =N
40 - 27 =D
0/14 letters found
Clue 3
Rounding
The guard estimated the crowd size on the balcony readout system which only displays rounded numbers.
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
700
60
200
90
300
40
40
20
300
70
400
70
200
200
30
200
50
500
60
200
70
70
200
20
600
600
800
400
200
400
Round 714 to the nearest hundredT
Round 49 to the nearest tenD
Round 517 to the nearest hundredW
Round 31 to the nearest tenZ
Round 760 to the nearest hundredO
Round 17 to the nearest tenA
Round 72 to the nearest tenN
Round 648 to the nearest hundredR
Round 94 to the nearest tenV
Round 342 to the nearest hundredI
Round 36 to the nearest tenL
Round 153 to the nearest hundredE
Round 61 to the nearest tenH
Round 370 to the nearest hundredS
0/14 letters found
Clue 4
Place value
The head servant organized table numbers by hundreds tens and ones to find where the intruder sat.
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
44
21
28
53
52
47
21
53
59
40
89
24
48
53
52
40
F
44
24
21
94
F
44
47
21
82
86
53
59
82
48
66
80
40
What number has 4 tens and 4 ones?F
What number has 8 tens and 0 ones?E
What number has 5 tens and 3 ones?N
What number has 2 tens and 1 one?O
What number has 8 tens and 2 ones?W
What number has 2 tens and 8 ones?U
What number has 4 tens and 7 ones?L
What number has 5 tens and 2 ones?D
What number has 5 tens and 9 ones?G
What number has 4 tens and 8 ones?A
What number has 2 tens and 4 ones?R
What number has 8 tens and 6 ones?I
What number has 4 tens and 0 ones?S
What number has 8 tens and 9 ones?T
What number has 9 tens and 4 ones?M
What number has 6 tens and 6 ones?V
0/16 letters found
Clue 5
Division facts (1-12) — the last clue
The pastry chef divided the royal frosted cupcakes into equal trays to see who grabbed an extra treat.
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
50 ÷ 10 = ?
24 ÷ 12 = ?
24 ÷ 4 = ?
70 ÷ 10 = ?
110 ÷ 10 = ?
144 ÷ 12 = ?
4 ÷ 4 = ?
4 ÷ 1 = ?
30 ÷ 10 = ?
63 ÷ 7 = ?
60 ÷ 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain leaped across the ballroom floor, then waved a silver wand to cause a commotion.
2.The villain glided past the banquet table, then waved a silver wand to cause a commotion.
3.The villain twirled under the crystal chandeliers, then adjusted a silk mask to hide their face.
4.The villain leaped across the ballroom floor, then adjusted a silk mask to hide their face.
5.The villain stepped gracefully along the balcony, then adjusted a silk mask to hide their face.
6.The villain spun through the grand waltz, then waved a silver wand to cause a commotion.
7.The villain twirled under the crystal chandeliers, then flourished a golden fan in the dark.
8.The villain leaped across the ballroom floor, then swished a velvet cape over the stolen tiara.
9.The villain glided past the banquet table, then flourished a golden fan in the dark.
10.The villain spun through the grand waltz, then adjusted a silk mask to hide their face.
11.The villain glided past the banquet table, then adjusted a silk mask to hide their face.
12.The villain leaped across the ballroom floor, then flourished a golden fan in the dark.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Midnight Slipper Mystery
Culprit: Princess Daphne (Tango Leap · Velvet Cape · Right-handed · Flowing Waves · Rose Allergy)
- Clue 1 (Addition): "THE SUSPECT DOES NOT CARRY A GOLDEN FAN"37 + 36 = 73 (T) · 46 + 22 = 68 (P) · 26 + 14 = 40 (O) · 35 + 16 = 51 (F) · 45 + 20 = 65 (C) · 11 + 18 = 29 (U) · 20 + 22 = 42 (E) · 35 + 62 = 97 (L) · 19 + 9 = 28 (N) · 13 + 9 = 22 (D) · 13 + 33 = 46 (G) · 29 + 16 = 45 (R) · 19 + 42 = 61 (S) · 22 + 44 = 66 (H) · 64 + 32 = 96 (A) · 22 + 28 = 50 (Y)
- Clue 2 (Subtraction): "THE VILLAIN DANCES WITH THEIR RIGHT HAND"52 - 32 = 20 (T) · 100 - 30 = 70 (R) · 48 - 21 = 27 (G) · 100 - 33 = 67 (A) · 98 - 35 = 63 (L) · 99 - 19 = 80 (E) · 99 - 15 = 84 (S) · 68 - 8 = 60 (H) · 26 - 15 = 11 (W) · 21 - 4 = 17 (V) · 118 - 29 = 89 (C) · 94 - 13 = 81 (I) · 35 - 12 = 23 (N) · 40 - 27 = 13 (D)
- Clue 3 (Rounding): "THE VILLAIN SNEEZED WHEN NEAR ROSES"Round 714 to the nearest hundred = 700 (T) · Round 49 to the nearest ten = 50 (D) · Round 517 to the nearest hundred = 500 (W) · Round 31 to the nearest ten = 30 (Z) · Round 760 to the nearest hundred = 800 (O) · Round 17 to the nearest ten = 20 (A) · Round 72 to the nearest ten = 70 (N) · Round 648 to the nearest hundred = 600 (R) · Round 94 to the nearest ten = 90 (V) · Round 342 to the nearest hundred = 300 (I) · Round 36 to the nearest ten = 40 (L) · Round 153 to the nearest hundred = 200 (E) · Round 61 to the nearest ten = 60 (H) · Round 370 to the nearest hundred = 400 (S)
- Clue 4 (Place value): "FOUND LONG STRANDS FROM FLOWING WAVES"What number has 4 tens and 4 ones? = 44 (F) · What number has 8 tens and 0 ones? = 80 (E) · What number has 5 tens and 3 ones? = 53 (N) · What number has 2 tens and 1 one? = 21 (O) · What number has 8 tens and 2 ones? = 82 (W) · What number has 2 tens and 8 ones? = 28 (U) · What number has 4 tens and 7 ones? = 47 (L) · What number has 5 tens and 2 ones? = 52 (D) · What number has 5 tens and 9 ones? = 59 (G) · What number has 4 tens and 8 ones? = 48 (A) · What number has 2 tens and 4 ones? = 24 (R) · What number has 8 tens and 6 ones? = 86 (I) · What number has 4 tens and 0 ones? = 40 (S) · What number has 8 tens and 9 ones? = 89 (T) · What number has 9 tens and 4 ones? = 94 (M) · What number has 6 tens and 6 ones? = 66 (V)
- Clue 5 (Division facts (1-12)): surviving statement (box 8) → Princess Daphne50 ÷ 10 = 5 · 24 ÷ 12 = 2 · 24 ÷ 4 = 6 · 70 ÷ 10 = 7 · 110 ÷ 10 = 11 · 144 ÷ 12 = 12 · 4 ÷ 4 = 1 · 4 ÷ 1 = 4 · 30 ÷ 10 = 3 · 63 ÷ 7 = 9 · 60 ÷ 6 = 10
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Addition, Subtraction, Rounding, Place value, Division
- Reading level
- grades 3-4
- Theme
- The Midnight Slipper Mystery — set in Grand Ballroom of Castle Moonstone
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects