🔎 AlicornsGrade 2Reading: grades 3-4Place valueAdditionSubtractionSkip countingMissing addends
The Case of the Missing Star Tiara
The magic Royal Star Tiara has vanished from the cloud vault in Sky Sanctuary! The Head Star Keeper needs your detective skills to follow the sparkling clues and find out which alicorn took it.
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 Type | Wing Style | Dominant Hoof | Mane Color | Favorite Snack |
|---|---|---|---|---|---|
| Twinkle Crest | Sun Flare | Silver Wings | Left Hoofed | Purple Mane | Sparkle Berry |
| Kira Shimmer | Moon Glow | Silver Wings | Left Hoofed | Purple Mane | Sparkle Berry |
| Luna Meadow | Moon Glow | Rainbow Wings | Right Hoofed | Purple Mane | Sparkle Berry |
| Dazzle Spark | Sun Flare | Crystal Wings | Right Hoofed | Purple Mane | Glitter Dust |
| Una Zephyr | Cloud Weaving | Silver Wings | Left Hoofed | Pink Mane | Sparkle Berry |
| Hazel Glow | Cloud Weaving | Rainbow Wings | Left Hoofed | Blue Mane | Glitter Dust |
| Echo Feather | Moon Glow | Silver Wings | Right Hoofed | Purple Mane | Sparkle Berry |
| Opal Whicker | Moon Glow | Stardust Wings | Left Hoofed | Pink Mane | Glitter Dust |
| Rosy Flutter | Sun Flare | Golden Wings | Left Hoofed | Purple Mane | Sparkle Berry |
| Iris Beam | Cloud Weaving | Rainbow Wings | Left Hoofed | Purple Mane | Sparkle Berry |
| Zoe Stardust | Cloud Weaving | Golden Wings | Left Hoofed | Purple Mane | Sparkle Berry |
| Pip Skyward | Prism Beam | Rainbow Wings | Left Hoofed | Pink Mane | Golden Apple |
| Glimmer Hoof | Moon Glow | Crystal Wings | Right Hoofed | Purple Mane | Sparkle Berry |
| Mist Mistral | Cloud Weaving | Rainbow Wings | Left Hoofed | Blue Mane | Golden Apple |
| Celestia Star | Moon Glow | Golden Wings | Left Hoofed | Blue Mane | Sparkle Berry |
| Skye Dancer | Moon Glow | Rainbow Wings | Left Hoofed | Purple Mane | Sparkle Berry |
| Astral Dash | Moon Glow | Crystal Wings | Left Hoofed | Purple Mane | Golden Apple |
| Willa Wing | Prism Beam | Silver Wings | Right Hoofed | Purple Mane | Sparkle Berry |
| Quartz Swift | Moon Glow | Crystal Wings | Right Hoofed | Pink Mane | Sparkle Berry |
| Jasmine Prism | Cloud Weaving | Rainbow Wings | Right Hoofed | Purple Mane | Sparkle Berry |
| Breezy Breeze | Moon Glow | Golden Wings | Right Hoofed | Purple Mane | Glitter Dust |
Clue 1
Place value
You examine the star code dial on the castle gate to read the place value puzzle left by the guard.
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
17
11
65
36
21
52
52
83
21
15
45
49
65
20
15
49
T
17
11
83
36
65
20
21
52
36
65
88
18
21
15
50
20
What number has 1 ten and 7 ones?T
What number has 2 tens and 1 one?I
What number has 1 ten and 5 ones?N
What number has 8 tens and 3 ones?A
What number has 1 ten and 1 one?H
What number has 2 tens and 0 ones?S
What number has 5 tens and 2 ones?L
What number has 4 tens and 5 ones?D
What number has 1 ten and 8 ones?W
What number has 8 tens and 8 ones?R
What number has 5 tens and 0 ones?G
What number has 4 tens and 9 ones?O
What number has 3 tens and 6 ones?V
What number has 6 tens and 5 ones?E
0/14 letters found
Clue 2
Addition
Next you add up all the enchanted crystals found near the throne room to discover the total count.
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
30
89
77
91
81
91
35
77
76
T
30
87
40
22
T
30
77
91
87
22
T
30
89
T
30
89
77
22
40
50
77
62
T
30
89
32
32
62
21 + 9 =T
47 + 29 =C
33 + 54 =W
23 + 39 =F
53 + 24 =E
16 + 19 =P
34 + 57 =S
57 + 24 =U
33 + 17 =L
10 + 12 =I
28 + 12 =R
20 + 12 =O
58 + 31 =H
0/13 letters found
Clue 3
Subtraction
Then you subtract the stolen cloud gems from the total inventory to find what remains.
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
27
50
86
A
27
31
25
38
30
55
30
31
31
47
40
31
74
86
86
30
40
74
45
26
81
30
26
31
A
27
64
38
38 - 11 =A
104 - 40 =I
116 - 30 =P
51 - 6 =N
86 - 5 =H
54 - 28 =T
65 - 35 =E
50 - 12 =L
85 - 38 =Y
81 - 7 =O
73 - 33 =D
52 - 2 =S
66 - 11 =B
57 - 26 =R
30 - 5 =K
0/15 letters found
Clue 4
Skip counting
After that you follow a path of glowing horseshoe prints by skip counting in groups of five.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
P
16
120
6
P
16
45
33
90
80
6
70
24
22
90
14
33
6
33
8
140
120
24
22
140
24
80
12
33
12
140
140
8
P
16
6
18
24
80
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20P
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26D
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10R
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24I
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160O
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12F
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140U
Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28N
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18W
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55L
0/15 letters found
Clue 5
Missing addends — the last clue
Finally you figure out the missing addend to balance the magic tiara scale and unmask the culprit.
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
8 + ___ = 16
3 + ___ = 7
7 + ___ = 19
10 + ___ = 12
2 + ___ = 13
1 + ___ = 10
5 + ___ = 15
9 + ___ = 12
6 + ___ = 13
10 + ___ = 16
9 + ___ = 10
Step 2 — cross out the sentence with each answer
1.The villain fired a prism beam, then flapped stardust wings.
2.The villain blazed a sun flare, then flapped rainbow wings.
3.The villain shot star magic into the sky, then flapped silver wings.
4.The villain blazed a sun flare, then flapped golden wings.
5.The villain shone a moon glow, then flapped rainbow wings.
6.The villain wove a cloud barrier, then flapped silver wings.
7.The villain shone a moon glow, then flapped golden wings.
8.The villain wove a cloud barrier, then flapped golden wings.
9.The villain wove a cloud barrier, then flapped crystal wings.
10.The villain blazed a sun flare, then flapped crystal wings.
11.The villain fired a prism beam, then flapped golden wings.
12.The villain wove a cloud barrier, then flapped rainbow wings.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Star Tiara
Culprit: Skye Dancer (Moon Glow · Rainbow Wings · Left Hoofed · Purple Mane · Sparkle Berry)
- Clue 1 (Place value): "THE VILLAIN DOES NOT HAVE SILVER WINGS"What number has 1 ten and 7 ones? = 17 (T) · What number has 2 tens and 1 one? = 21 (I) · What number has 1 ten and 5 ones? = 15 (N) · What number has 8 tens and 3 ones? = 83 (A) · What number has 1 ten and 1 one? = 11 (H) · What number has 2 tens and 0 ones? = 20 (S) · What number has 5 tens and 2 ones? = 52 (L) · What number has 4 tens and 5 ones? = 45 (D) · What number has 1 ten and 8 ones? = 18 (W) · What number has 8 tens and 8 ones? = 88 (R) · What number has 5 tens and 0 ones? = 50 (G) · What number has 4 tens and 9 ones? = 49 (O) · What number has 3 tens and 6 ones? = 36 (V) · What number has 6 tens and 5 ones? = 65 (E)
- Clue 2 (Addition): "THE SUSPECT WRITES WITH THEIR LEFT HOOF"21 + 9 = 30 (T) · 47 + 29 = 76 (C) · 33 + 54 = 87 (W) · 23 + 39 = 62 (F) · 53 + 24 = 77 (E) · 16 + 19 = 35 (P) · 34 + 57 = 91 (S) · 57 + 24 = 81 (U) · 33 + 17 = 50 (L) · 10 + 12 = 22 (I) · 28 + 12 = 40 (R) · 20 + 12 = 32 (O) · 58 + 31 = 89 (H)
- Clue 3 (Subtraction): "A SPARKLE BERRY DROPPED ON THE TRAIL"38 - 11 = 27 (A) · 104 - 40 = 64 (I) · 116 - 30 = 86 (P) · 51 - 6 = 45 (N) · 86 - 5 = 81 (H) · 54 - 28 = 26 (T) · 65 - 35 = 30 (E) · 50 - 12 = 38 (L) · 85 - 38 = 47 (Y) · 81 - 7 = 74 (O) · 73 - 33 = 40 (D) · 52 - 2 = 50 (S) · 66 - 11 = 55 (B) · 57 - 26 = 31 (R) · 30 - 5 = 25 (K)
- Clue 4 (Skip counting): "PURPLE STRANDS WERE FOUND ON THE HOOFPRINT"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (P) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (D) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (R) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (I) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (F) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (U) · Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18 = 12 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (N) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (W) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (L)
- Clue 5 (Missing addends): surviving statement (box 5) → Skye Dancer8 + ___ = 16 = 8 · 3 + ___ = 7 = 4 · 7 + ___ = 19 = 12 · 10 + ___ = 12 = 2 · 2 + ___ = 13 = 11 · 1 + ___ = 10 = 9 · 5 + ___ = 15 = 10 · 9 + ___ = 12 = 3 · 6 + ___ = 13 = 7 · 10 + ___ = 16 = 6 · 9 + ___ = 10 = 1
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Star Tiara — set in Sky Sanctuary
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects