Math Mysteries
🦕 Minecraft, DinosaursGrade 1Reading: grades 1-2AdditionSubtractionPlace valueSkip countingMissing addends

The Golden Dino Egg Mystery

A sneaky player stole the golden T-Rex egg from the Blocky Dino Valley! We must use our block-building skills to find out who did 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
NameDino SkillValley CraftingItem HeldHair StyleDino Fear
Craftytaming a rexcrafting iron armorholds a torchgreen blocky hairroaring rex sound
DinoDanriding a raptorplanting giant fernsholds a torchgreen blocky hairflashing glowstone
Timmyriding a raptorcrafting iron armorholds a mapred blocky hairroaring rex sound
Wutaming a rexdigging up fossilsholds a mapblue blocky hairsplashing water
Alanflying a pterodactylplanting giant fernsholds a torchgreen blocky hairroaring rex sound
Raptorfeeding a triceratopsbuilding obsidian cagesholds a torchred blocky hairsplashing water
Sparklezflying a pterodactylbrewing speed potionsholds a mapgreen blocky hairflashing glowstone
Danflying a pterodactyldigging up fossilsholds a torchred blocky hairflashing glowstone
Owentaming a rexdigging up fossilsholds a torchblue blocky hairsplashing water
Steveriding a raptorcrafting iron armorholds a mapblue blocky hairflashing glowstone
Rexyriding a stegosaurusbrewing speed potionsholds a mapgreen blocky hairsplashing water
Pixelflying a pterodactylcrafting iron armorholds a mapblue blocky hairsplashing water
Stampyflying a pterodactylbrewing speed potionsholds a torchred blocky hairflashing glowstone
Claireriding a raptorplanting giant fernsholds a torchblue blocky hairroaring rex sound
Lexflying a pterodactylbuilding obsidian cagesholds a mapblue blocky hairsplashing water
Blockyriding a stegosaurusbrewing speed potionsholds a mapblue blocky hairsplashing water
Spryriding a stegosaurusbuilding obsidian cagesholds a mapblue blocky hairsplashing water
Cobbriding a stegosaurusbuilding obsidian cagesholds a mapblue blocky hairroaring rex sound
Diggyriding a raptorbrewing speed potionsholds a mapblue blocky hairroaring rex sound
Minertaming a rexplanting giant fernsholds a torchgreen blocky hairsplashing water
Ianflying a pterodactylplanting giant fernsholds a mapgreen blocky hairroaring rex sound
Clue 1

Addition

Let us add up the green pixel blocks we found by the dinosaur nests to unlock the 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
8
19
12
T
8
19
7
12
13
3
17
12
2
20
17
T
8
11
18
16
13
T
8
7
18
17
20
16
18
15
17
18
6 + 2 =T
13 + 7 =N
7 + 5 =E
3 + 4 =I
8 + 8 =A
11 + 8 =H
9 + 8 =O
2 + 1 =D
1 + 1 =S
5 + 10 =M
10 + 8 =R
8 + 3 =C
3 + 10 =F
0/13 letters found
Clue 2

Subtraction

Some baby raptors ran away from the pen. Subtract the lost dinosaurs to find the next 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
18
11
16
19
12
16
9
8
14
2
15
9
14
16
7
11
13
15
3
19
9
17
9
2
19 - 1 =T
18 - 1 =M
12 - 1 =H
10 - 7 =D
17 - 5 =N
20 - 1 =S
18 - 5 =O
11 - 3 =K
18 - 9 =A
19 - 4 =L
15 - 8 =R
8 - 6 =P
19 - 3 =E
17 - 3 =Y
0/14 letters found
Clue 3

Place value

Count the tens and ones in our block inventory to reveal the third 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
57
71
47
T
57
71
36
47
39
71
80
T
57
47
40
40
93
70
80
40
71
36
95
25
48
80
T
57
47
37
What number has 5 tens and 7 ones?T
What number has 9 tens and 3 ones?P
What number has 8 tens and 0 ones?A
What number has 2 tens and 5 ones?G
What number has 3 tens and 7 ones?R
What number has 4 tens and 7 ones?E
What number has 3 tens and 6 ones?I
What number has 9 tens and 5 ones?N
What number has 7 tens and 1 one?H
What number has 3 tens and 9 ones?F
What number has 7 tens and 0 ones?L
What number has 4 tens and 8 ones?W
What number has 4 tens and 0 ones?S
0/13 letters found
Clue 4

Skip counting

Follow the tracks by skip counting the T-Rex footprints to read the next 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.

W
55
130
20
24
40
45
10
6
12
40
130
6
12
24
8
120
39
110
26
35
80
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65W
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10B
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14D
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12C
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24F
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45Y
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55N
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30O
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60U
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140K
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16L
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130H
0/16 letters found
Clue 5

Missing addends — the last clue

We need more bricks to finish this safety wall. Find the missing number to get the last clue.

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 + ___ = 20
4 + ___ = 14
4 + ___ = 10
1 + ___ = 9
7 + ___ = 9
8 + ___ = 17
3 + ___ = 14
5 + ___ = 8
2 + ___ = 9
5 + ___ = 9
6 + ___ = 7
Step 2 — cross out the sentence with each answer
1.The villain rode a raptor, then built obsidian cages.
2.The villain flew a pterodactyl, then planted giant ferns.
3.The villain tamed a rex, then built obsidian cages.
4.The villain tamed a rex, then brewed speed potions.
5.The villain flew a pterodactyl, then built obsidian cages.
6.The villain tamed a rex, then dug up fossils.
7.The villain rode a stegosaurus, then dug up fossils.
8.The villain rode a stegosaurus, then crafted iron armor.
9.The villain fed a triceratops, then built obsidian cages.
10.The villain rode a stegosaurus, then brewed speed potions.
11.The villain flew a pterodactyl, then dug up fossils.
12.The villain rode a stegosaurus, then built obsidian cages.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

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

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