Math Mysteries
🦄 UnicornsGrade 1Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends

The Glitter Valley Mystery

A sneaky unicorn has taken the Golden Cup cake from the Pixie Guard! We must follow the sparkly trail to find who did it. Look for clues in the sweet meadow. Let us solve the mystery together!

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameMeadow MagicSpecial SkillBell SoundMane ColorSilly Weakness
Velvetspits shiny bubblesheals sick plantsWears a silver bellPink maneDislikes sour apples
Dashmakes soft musicheals sick plantsWears a gold bellBlue maneDislikes sour apples
Cloverglows in the darkheals sick plantsWears a gold bellPink maneSneeze at daisy pollen
Sprinklesglows in the darkjumps over cloudsWears a silver bellBlue maneDislikes sour apples
Goldieglows in the darkbakes sweet piesWears a silver bellPink maneSneeze at daisy pollen
Peachesmakes soft musicflies with wingsWears a silver bellBlue maneSneeze at daisy pollen
Starglows in the darkspeaks to birdsWears a gold bellBlue maneScared of tickle grass
Blossomglows in the darkheals sick plantsWears a gold bellBlue maneDislikes sour apples
Daisycreates rainbow bridgesbakes sweet piesWears a silver bellBlue maneSneeze at daisy pollen
Bluebellcreates rainbow bridgesheals sick plantsWears a silver bellPink maneSneeze at daisy pollen
Sunnyglows in the darkheals sick plantsWears a gold bellBlue maneSneeze at daisy pollen
Jewelmakes soft musicflies with wingsWears a gold bellPurple maneSneeze at daisy pollen
Pipspits shiny bubblesspeaks to birdsWears a silver bellBlue maneDislikes sour apples
Sparklesglows in the darkbakes sweet piesWears a silver bellBlue maneDislikes sour apples
Twinklespits shiny bubblesspeaks to birdsWears a gold bellBlue maneDislikes sour apples
Mistymakes soft musicheals sick plantsWears a silver bellBlue maneSneeze at daisy pollen
Skymakes soft musicflies with wingsWears a silver bellBlue maneDislikes sour apples
Honeycreates rainbow bridgesjumps over cloudsWears a gold bellPurple maneScared of tickle grass
Twilightgrows giant flowersbakes sweet piesWears a gold bellPink maneDislikes sour apples
Buttercupspits shiny bubblesheals sick plantsWears a gold bellPurple maneSneeze at daisy pollen
Cottonglows in the darkheals sick plantsWears a silver bellBlue maneDislikes sour apples
Clue 1

Addition

We count the star gems on the grass. Add them up to get a secret code.

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
9
20
11
14
19
11
8
5
12
4
17
19
12
18
17
11
14
19
17
T
9
6
3
16
4
17
13
11
7
10
2
17
3
18
14
5 + 4 =T
5 + 6 =E
3 + 1 =P
7 + 9 =M
2 + 1 =U
10 + 3 =V
5 + 12 =O
9 + 9 =D
2 + 5 =R
1 + 1 =L
6 + 13 =N
3 + 2 =K
9 + 5 =S
3 + 5 =A
7 + 13 =H
1 + 5 =J
6 + 4 =C
4 + 8 =Y
0/18 letters found
Clue 2

Subtraction

Some magic berries are gone from the bush. Subtract to see how many were taken.

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
6
14
5
11
8
12
10
3
16
T
6
15
5
4
3
17
4
17
16
12
13
5
3
2
5
12
12
12 - 6 =T
14 - 6 =U
19 - 6 =V
19 - 7 =L
16 - 6 =P
18 - 1 =S
9 - 4 =E
16 - 1 =W
11 - 8 =R
8 - 4 =A
19 - 8 =C
19 - 5 =H
8 - 6 =B
19 - 3 =I
0/14 letters found
Clue 3

Skip counting

There are hoof prints in the mud. Let us skip count by twos to trace them.

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
42
35
27
14
39
27
33
20
30
18
60
39
30
130
6
14
28
6
20
27
14
14
60
10
36
33
18
18
28
27
14
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33E
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30K
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14U
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42R
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40Y
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22P
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80O
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32L
0/15 letters found
Clue 4

Place value

Look at the magic blocks. Count the tens and ones to find the clue box.

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
35
32
89
63
30
34
T
35
T
35
89
39
T
35
32
34
89
59
32
81
61
81
29
30
99
89
27
81
83
89
What number has 3 tens and 5 ones?T
What number has 3 tens and 4 ones?I
What number has 5 tens and 9 ones?F
What number has 6 tens and 1 one?S
What number has 3 tens and 9 ones?R
What number has 3 tens and 0 ones?L
What number has 2 tens and 9 ones?B
What number has 9 tens and 9 ones?U
What number has 3 tens and 2 ones?H
What number has 2 tens and 7 ones?M
What number has 8 tens and 3 ones?N
What number has 8 tens and 9 ones?E
What number has 8 tens and 1 one?A
What number has 6 tens and 3 ones?G
0/14 letters found
Clue 5

Missing addends — the last clue

We need ten star carrots to open the gate. Find how many more we must add.

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
2 + ___ = 6
3 + ___ = 9
6 + ___ = 15
2 + ___ = 10
6 + ___ = 16
4 + ___ = 5
6 + ___ = 17
5 + ___ = 8
9 + ___ = 21
5 + ___ = 7
2 + ___ = 9
Step 2 — cross out the sentence with each answer
1.The villain spits shiny bubbles, then heals sick plants.
2.The villain creates rainbow bridges, then flies with wings.
3.The villain creates rainbow bridges, then heals sick plants.
4.The villain glows in the dark, then heals sick plants.
5.The villain spits shiny bubbles, then speaks to birds.
6.The villain makes soft music, then flies with wings.
7.The villain creates rainbow bridges, then jumps over clouds.
8.The villain glows in the dark, then speaks to birds.
9.The villain glows in the dark, then bakes sweet pies.
10.The villain grows giant flowers, then bakes sweet pies.
11.The villain glows in the dark, then jumps over clouds.
12.The villain makes soft music, then bakes sweet pies.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 1 math
Math topics
Addition, Subtraction, Skip counting, Place value, Missing addends
Reading level
grades 1-2
Theme
The Glitter Valley Mystery — set in Sparkle Valley
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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