🔎 Disney prinsesGrade 1Reading: grades 1-2AdditionSkip countingSubtractionRoundingMissing addends
The Case of the Missing Tiara
Someone took the sparkling tiara right before the grand dance! The royal court is in a panic. We must follow the clues to find the sneaky 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 | Magic Skill | Favorite Hobby | Hand Trait | Hair Style | Secret Fear |
|---|---|---|---|---|---|
| Merida | talks to animals | paints beautiful art | holds magic fan in right hand | bright red hair | scared of apples |
| Snow | creates ice magic | paints beautiful art | holds magic fan in left hand | bright red hair | scared of apples |
| Ariel | grows glowing hair | bakes magic pies | holds magic fan in left hand | bright red hair | allergic to roses |
| Wendy | talks to animals | shoots trick arrows | holds magic fan in left hand | bright red hair | scared of apples |
| Jasmine | commands the ocean | swings from vines | holds magic fan in right hand | braided golden hair | scared of apples |
| Rapunzel | grows glowing hair | paints beautiful art | holds magic fan in left hand | braided golden hair | hates cold water |
| Moana | has super strength | swings from vines | holds magic fan in right hand | bright red hair | hates cold water |
| Cinderella | talks to animals | bakes magic pies | holds magic fan in right hand | braided golden hair | hates cold water |
| Pocahontas | talks to animals | reads ancient books | holds magic fan in right hand | flowing black hair | allergic to roses |
| Elena | creates ice magic | swings from vines | holds magic fan in right hand | bright red hair | scared of apples |
| Sofia | creates ice magic | paints beautiful art | holds magic fan in right hand | braided golden hair | scared of apples |
| Anna | has super strength | reads ancient books | holds magic fan in left hand | braided golden hair | allergic to roses |
| Giselle | has super strength | shoots trick arrows | holds magic fan in right hand | bright red hair | scared of apples |
| Megara | creates ice magic | bakes magic pies | holds magic fan in right hand | flowing black hair | allergic to roses |
| Esmeralda | grows glowing hair | reads ancient books | holds magic fan in left hand | braided golden hair | scared of apples |
| Vanellope | talks to animals | reads ancient books | holds magic fan in right hand | bright red hair | scared of apples |
| Aurora | grows glowing hair | shoots trick arrows | holds magic fan in right hand | bright red hair | scared of apples |
| Jane | creates ice magic | shoots trick arrows | holds magic fan in right hand | braided golden hair | allergic to roses |
| Elsa | commands the ocean | paints beautiful art | holds magic fan in right hand | braided golden hair | scared of apples |
| Belle | commands the ocean | bakes magic pies | holds magic fan in left hand | braided golden hair | scared of apples |
| Alice | has super strength | shoots trick arrows | holds magic fan in left hand | flowing black hair | allergic to roses |
Clue 1
Addition
A royal helper counts the lost crowns. She adds the small crowns and the large crowns to find the total.
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
12
11
20
16
3
19
19
9
3
15
7
17
20
8
15
17
T
12
6
20
9
7
9
15
18
3
20
15
T
12
2
17
17
14
8
7 + 5 =T
11 + 5 =V
3 + 6 =A
1 + 1 =B
7 + 12 =L
11 + 4 =N
4 + 3 =D
3 + 8 =H
9 + 8 =O
14 + 6 =E
4 + 10 =K
1 + 2 =I
3 + 5 =S
3 + 3 =R
12 + 6 =C
0/15 letters found
Clue 2
Skip counting
We look at the shoe racks. We count the sparkling slippers by twos to find out how many are left.
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
16
27
140
26
27
16
27
21
110
120
18
120
50
10
24
140
120
90
10
90
T
60
16
27
25
10
50
16
T
60
16
120
90
110
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70T
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24M
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140A
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60G
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28C
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160F
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33E
0/14 letters found
Clue 3
Subtraction
The palace baker makes sweet tarts. A sneaky shadow takes some tarts away, leaving only a few.
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
13
15
2
4
W
13
6
18
15
2
1
15
4
9
17
16
1
11
17
12
7
4
17
15
19
4
14
14
8
15
19 - 6 =W
16 - 8 =L
17 - 2 =E
13 - 4 =K
18 - 7 =F
18 - 4 =P
20 - 2 =H
7 - 6 =N
5 - 1 =A
15 - 9 =T
7 - 5 =S
17 - 1 =U
14 - 2 =O
20 - 1 =D
18 - 1 =R
12 - 5 =M
0/16 letters found
Clue 4
Rounding
The magic mirror is a bit dusty. It can only show a rounded number of sparkles on the wall.
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
60
600
900
50
20
90
40
400
200
700
70
80
500
200
600
40
80
300
700
200
400
800
500
80
600
40
50
50
200
Round 64 to the nearest tenW
Round 249 to the nearest hundredR
Round 780 to the nearest hundredY
Round 41 to the nearest tenD
Round 268 to the nearest hundredA
Round 71 to the nearest tenG
Round 20 to the nearest tenU
Round 80 to the nearest tenH
Round 401 to the nearest hundredB
Round 88 to the nearest tenN
Round 938 to the nearest hundredF
Round 525 to the nearest hundredT
Round 50 to the nearest tenO
Round 749 to the nearest hundredI
Round 571 to the nearest hundredE
0/15 letters found
Clue 5
Missing addends — the last clue
We need ten magic roses to open the gate. We have some roses but must find how many more we need.
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
3 + ___ = 15
1 + ___ = 2
6 + ___ = 12
3 + ___ = 10
2 + ___ = 11
9 + ___ = 14
4 + ___ = 14
5 + ___ = 13
1 + ___ = 3
8 + ___ = 19
5 + ___ = 8
Step 2 — cross out the sentence with each answer
1.The villain lifts a heavy carriage, then knocks down a target with a bow.
2.The villain freezes the floor, then knocks down a target with a bow.
3.The villain sings to the birds, then leaves behind warm berry pies.
4.The villain lights up the dark room, then knocks down a target with a bow.
5.The villain sings to the birds, then drops a dusty old scroll.
6.The villain freezes the floor, then swings away on a leafy rope.
7.The villain freezes the floor, then leaves behind warm berry pies.
8.The villain splashes warm sea water, then swings away on a leafy rope.
9.The villain sings to the birds, then knocks down a target with a bow.
10.The villain splashes warm sea water, then leaves behind warm berry pies.
11.The villain lights up the dark room, then swings away on a leafy rope.
12.The villain sings to the birds, then paints a flower on the wall.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Tiara
Culprit: Aurora (grows glowing hair · shoots trick arrows · holds magic fan in right hand · bright red hair · scared of apples)
- Clue 1 (Addition): "THE VILLAIN DOES NOT READ ANCIENT BOOKS"7 + 5 = 12 (T) · 11 + 5 = 16 (V) · 3 + 6 = 9 (A) · 1 + 1 = 2 (B) · 7 + 12 = 19 (L) · 11 + 4 = 15 (N) · 4 + 3 = 7 (D) · 3 + 8 = 11 (H) · 9 + 8 = 17 (O) · 14 + 6 = 20 (E) · 4 + 10 = 14 (K) · 1 + 2 = 3 (I) · 3 + 5 = 8 (S) · 3 + 3 = 6 (R) · 12 + 6 = 18 (C)
- Clue 2 (Skip counting): "THE FOE HELD A MAGIC FAN IN THE RIGHT HAND"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70 = 60 (T) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (M) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (A) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60 = 50 (G) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (D) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (C) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (F) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (N) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (L) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (E)
- Clue 3 (Subtraction): "WE SAW THE SNEAK RUN FROM A RED APPLE"19 - 6 = 13 (W) · 16 - 8 = 8 (L) · 17 - 2 = 15 (E) · 13 - 4 = 9 (K) · 18 - 7 = 11 (F) · 18 - 4 = 14 (P) · 20 - 2 = 18 (H) · 7 - 6 = 1 (N) · 5 - 1 = 4 (A) · 15 - 9 = 6 (T) · 7 - 5 = 2 (S) · 17 - 1 = 16 (U) · 14 - 2 = 12 (O) · 20 - 1 = 19 (D) · 18 - 1 = 17 (R) · 12 - 5 = 7 (M)
- Clue 4 (Rounding): "WE FOUND BRIGHT RED HAIR BY THE DOOR"Round 64 to the nearest ten = 60 (W) · Round 249 to the nearest hundred = 200 (R) · Round 780 to the nearest hundred = 800 (Y) · Round 41 to the nearest ten = 40 (D) · Round 268 to the nearest hundred = 300 (A) · Round 71 to the nearest ten = 70 (G) · Round 20 to the nearest ten = 20 (U) · Round 80 to the nearest ten = 80 (H) · Round 401 to the nearest hundred = 400 (B) · Round 88 to the nearest ten = 90 (N) · Round 938 to the nearest hundred = 900 (F) · Round 525 to the nearest hundred = 500 (T) · Round 50 to the nearest ten = 50 (O) · Round 749 to the nearest hundred = 700 (I) · Round 571 to the nearest hundred = 600 (E)
- Clue 5 (Missing addends): surviving statement (box 4) → Aurora3 + ___ = 15 = 12 · 1 + ___ = 2 = 1 · 6 + ___ = 12 = 6 · 3 + ___ = 10 = 7 · 2 + ___ = 11 = 9 · 9 + ___ = 14 = 5 · 4 + ___ = 14 = 10 · 5 + ___ = 13 = 8 · 1 + ___ = 3 = 2 · 8 + ___ = 19 = 11 · 5 + ___ = 8 = 3
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Skip counting, Subtraction, Rounding, Missing addends
- Reading level
- grades 1-2
- Theme
- The Case of the Missing Tiara — set in The Glittering Castle
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects