🦄 UnicornsGrade 2Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Sparkle Tree Mystery
The Great Golden Star is gone from the top of the Sparkle Tree. Headmaster Barnaby needs your help. We must search the academy grounds and find the sneaky unicorn who 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 | Unicorn Magic | Magical Gear | Hoof Writing | Mane Color | Sweets Cravings |
|---|---|---|---|---|---|
| Pip | Rainbow Dash | Star Ribbon | Right Hoof Writer | Purple Mane | Apple Treats |
| Buttercup | Bubble Jump | Golden Horseshoe | Left Hoof Writer | Blue Mane | Berry Juice |
| Barnaby | Star Glow | Golden Horseshoe | Left Hoof Writer | Pink Mane | Sweet Hay |
| Bobby | Star Glow | Golden Horseshoe | Right Hoof Writer | Pink Mane | Berry Juice |
| Snowflake | Dream Song | Flower Crown | Right Hoof Writer | Blue Mane | Sweet Hay |
| Twinkle | Glitter Blast | Star Ribbon | Left Hoof Writer | Pink Mane | Berry Juice |
| Misty | Star Glow | Flower Crown | Left Hoof Writer | Pink Mane | Berry Juice |
| Honey | Bubble Jump | Golden Horseshoe | Left Hoof Writer | Pink Mane | Berry Juice |
| Sparkle | Glitter Blast | Silver Saddle | Right Hoof Writer | Blue Mane | Apple Treats |
| Skyler | Rainbow Dash | Golden Horseshoe | Right Hoof Writer | Blue Mane | Berry Juice |
| Dash | Glitter Blast | Star Ribbon | Left Hoof Writer | Pink Mane | Sweet Hay |
| Daisy | Glitter Blast | Star Ribbon | Right Hoof Writer | Blue Mane | Apple Treats |
| Sunny | Bubble Jump | Silver Saddle | Left Hoof Writer | Pink Mane | Berry Juice |
| Starla | Star Glow | Golden Horseshoe | Left Hoof Writer | Blue Mane | Apple Treats |
| Clover | Rainbow Dash | Golden Horseshoe | Right Hoof Writer | Blue Mane | Sweet Hay |
| Ziggy | Glitter Blast | Sparkle Wand | Right Hoof Writer | Blue Mane | Sweet Hay |
| Bella | Bubble Jump | Flower Crown | Right Hoof Writer | Blue Mane | Sweet Hay |
| Pippin | Bubble Jump | Sparkle Wand | Right Hoof Writer | Purple Mane | Sweet Hay |
| Cloud | Star Glow | Star Ribbon | Right Hoof Writer | Purple Mane | Berry Juice |
| Sugar | Glitter Blast | Star Ribbon | Right Hoof Writer | Pink Mane | Apple Treats |
| Penny | Bubble Jump | Flower Crown | Left Hoof Writer | Pink Mane | Berry Juice |
Clue 1
Addition
We count the shiny gems left on the path. Add the red gems and the blue gems to find our first 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
74
70
55
36
26
71
71
79
26
32
76
66
55
46
32
66
T
74
70
79
36
55
79
46
T
74
79
31
31
26
54
54
66
32
26 + 48 =T
35 + 35 =H
34 + 45 =A
10 + 22 =N
16 + 15 =R
29 + 47 =D
27 + 27 =B
14 + 12 =I
24 + 22 =S
33 + 22 =E
34 + 32 =O
10 + 26 =V
44 + 27 =L
0/13 letters found
Clue 2
Subtraction
The thief used some magic flowers from the garden. We subtract the flowers left from the start total to see what is missing.
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
57
17
70
13
20
86
67
56
56
24
67
71
85
47
88
13
25
28
71
70
47
67
T
57
17
T
57
17
70
24
70
61
T
57
17
28
28
61
82 - 25 =T
70 - 9 =F
89 - 3 =R
109 - 21 =A
57 - 37 =C
45 - 17 =O
69 - 13 =B
28 - 11 =H
90 - 5 =G
30 - 5 =D
60 - 13 =W
31 - 7 =L
88 - 21 =I
45 - 32 =S
74 - 3 =N
96 - 26 =E
0/16 letters found
Clue 3
Skip counting
Look at the fresh hoofprints in the mud. They are in equal rows of two. Skip count the prints to find the 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
36
28
18
T
36
28
42
18
40
8
22
42
90
90
18
30
25
18
12
12
20
33
35
42
110
18
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45U
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48I
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50D
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35B
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16R
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60F
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110L
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130C
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24E
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26P
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39J
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30Y
0/15 letters found
Clue 4
Place value
The locker lock uses a secret code. Look at the tens blocks and the ones blocks to read the secret number.
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
38
19
73
39
11
91
12
96
19
73
64
96
91
62
31
19
T
38
64
33
78
73
67
32
12
53
78
91
12
73
19
91
32
11
What number has 3 tens and 8 ones?T
What number has 9 tens and 6 ones?C
What number has 7 tens and 3 ones?E
What number has 6 tens and 7 ones?P
What number has 1 ten and 2 ones?N
What number has 9 tens and 1 one?A
What number has 3 tens and 9 ones?B
What number has 3 tens and 2 ones?I
What number has 1 ten and 1 one?R
What number has 1 ten and 9 ones?H
What number has 3 tens and 1 one?G
What number has 5 tens and 3 ones?K
What number has 6 tens and 4 ones?S
What number has 3 tens and 3 ones?O
What number has 7 tens and 8 ones?M
What number has 6 tens and 2 ones?U
0/16 letters found
Clue 5
Missing addends — the last clue
The magic potion needs ten sparkly berries. We only have seven. Find how many more berries we need to finish the spell.
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 + ___ = 10
10 + ___ = 14
4 + ___ = 5
9 + ___ = 12
5 + ___ = 17
4 + ___ = 15
9 + ___ = 11
2 + ___ = 10
3 + ___ = 9
7 + ___ = 12
7 + ___ = 17
Step 2 — cross out the sentence with each answer
1.The villain makes the grass glow like stars, then adjusts a colorful flower crown.
2.The villain dashes across a rainbow, then polishes a fancy silver saddle.
3.The villain sings a soft dream song, then polishes a fancy silver saddle.
4.The villain jumps high inside a big bubble, then taps a shiny golden horseshoe.
5.The villain makes the grass glow like stars, then ties a bright star ribbon.
6.The villain jumps high inside a big bubble, then ties a bright star ribbon.
7.The villain jumps high inside a big bubble, then adjusts a colorful flower crown.
8.The villain blasts glitter into the sky, then waves a glowing sparkle wand.
9.The villain jumps high inside a big bubble, then polishes a fancy silver saddle.
10.The villain dashes across a rainbow, then waves a glowing sparkle wand.
11.The villain sings a soft dream song, then adjusts a colorful flower crown.
12.The villain blasts glitter into the sky, then polishes a fancy silver saddle.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Sparkle Tree Mystery
Culprit: Sunny (Bubble Jump · Silver Saddle · Left Hoof Writer · Pink Mane · Berry Juice)
- Clue 1 (Addition): "THE VILLAIN DOES NOT HAVE A STAR RIBBON"26 + 48 = 74 (T) · 35 + 35 = 70 (H) · 34 + 45 = 79 (A) · 10 + 22 = 32 (N) · 16 + 15 = 31 (R) · 29 + 47 = 76 (D) · 27 + 27 = 54 (B) · 14 + 12 = 26 (I) · 24 + 22 = 46 (S) · 33 + 22 = 55 (E) · 34 + 32 = 66 (O) · 10 + 26 = 36 (V) · 44 + 27 = 71 (L)
- Clue 2 (Subtraction): "THE SCRIBBLING WAS DONE WITH THE LEFT HOOF"82 - 25 = 57 (T) · 70 - 9 = 61 (F) · 89 - 3 = 86 (R) · 109 - 21 = 88 (A) · 57 - 37 = 20 (C) · 45 - 17 = 28 (O) · 69 - 13 = 56 (B) · 28 - 11 = 17 (H) · 90 - 5 = 85 (G) · 30 - 5 = 25 (D) · 60 - 13 = 47 (W) · 31 - 7 = 24 (L) · 88 - 21 = 67 (I) · 45 - 32 = 13 (S) · 74 - 3 = 71 (N) · 96 - 26 = 70 (E)
- Clue 3 (Skip counting): "THE THIEF SPILLED BERRY JUICE"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (U) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (I) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (D) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (B) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (R) · Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60 = 40 (F) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (C) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (P) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (H) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (J) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (Y)
- Clue 4 (Place value): "THE BRANCHES CAUGHT SOME PINK MANE HAIR"What number has 3 tens and 8 ones? = 38 (T) · What number has 9 tens and 6 ones? = 96 (C) · What number has 7 tens and 3 ones? = 73 (E) · What number has 6 tens and 7 ones? = 67 (P) · What number has 1 ten and 2 ones? = 12 (N) · What number has 9 tens and 1 one? = 91 (A) · What number has 3 tens and 9 ones? = 39 (B) · What number has 3 tens and 2 ones? = 32 (I) · What number has 1 ten and 1 one? = 11 (R) · What number has 1 ten and 9 ones? = 19 (H) · What number has 3 tens and 1 one? = 31 (G) · What number has 5 tens and 3 ones? = 53 (K) · What number has 6 tens and 4 ones? = 64 (S) · What number has 3 tens and 3 ones? = 33 (O) · What number has 7 tens and 8 ones? = 78 (M) · What number has 6 tens and 2 ones? = 62 (U)
- Clue 5 (Missing addends): surviving statement (box 9) → Sunny3 + ___ = 10 = 7 · 10 + ___ = 14 = 4 · 4 + ___ = 5 = 1 · 9 + ___ = 12 = 3 · 5 + ___ = 17 = 12 · 4 + ___ = 15 = 11 · 9 + ___ = 11 = 2 · 2 + ___ = 10 = 8 · 3 + ___ = 9 = 6 · 7 + ___ = 12 = 5 · 7 + ___ = 17 = 10
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Addition, Subtraction, Skip counting, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Sparkle Tree Mystery — set in Sparkle Valley Academy
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects