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.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Dino Skill | Valley Crafting | Item Held | Hair Style | Dino Fear |
|---|---|---|---|---|---|
| Crafty | taming a rex | crafting iron armor | holds a torch | green blocky hair | roaring rex sound |
| DinoDan | riding a raptor | planting giant ferns | holds a torch | green blocky hair | flashing glowstone |
| Timmy | riding a raptor | crafting iron armor | holds a map | red blocky hair | roaring rex sound |
| Wu | taming a rex | digging up fossils | holds a map | blue blocky hair | splashing water |
| Alan | flying a pterodactyl | planting giant ferns | holds a torch | green blocky hair | roaring rex sound |
| Raptor | feeding a triceratops | building obsidian cages | holds a torch | red blocky hair | splashing water |
| Sparklez | flying a pterodactyl | brewing speed potions | holds a map | green blocky hair | flashing glowstone |
| Dan | flying a pterodactyl | digging up fossils | holds a torch | red blocky hair | flashing glowstone |
| Owen | taming a rex | digging up fossils | holds a torch | blue blocky hair | splashing water |
| Steve | riding a raptor | crafting iron armor | holds a map | blue blocky hair | flashing glowstone |
| Rexy | riding a stegosaurus | brewing speed potions | holds a map | green blocky hair | splashing water |
| Pixel | flying a pterodactyl | crafting iron armor | holds a map | blue blocky hair | splashing water |
| Stampy | flying a pterodactyl | brewing speed potions | holds a torch | red blocky hair | flashing glowstone |
| Claire | riding a raptor | planting giant ferns | holds a torch | blue blocky hair | roaring rex sound |
| Lex | flying a pterodactyl | building obsidian cages | holds a map | blue blocky hair | splashing water |
| Blocky | riding a stegosaurus | brewing speed potions | holds a map | blue blocky hair | splashing water |
| Spry | riding a stegosaurus | building obsidian cages | holds a map | blue blocky hair | splashing water |
| Cobb | riding a stegosaurus | building obsidian cages | holds a map | blue blocky hair | roaring rex sound |
| Diggy | riding a raptor | brewing speed potions | holds a map | blue blocky hair | roaring rex sound |
| Miner | taming a rex | planting giant ferns | holds a torch | green blocky hair | splashing water |
| Ian | flying a pterodactyl | planting giant ferns | holds a map | green blocky hair | roaring rex sound |
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.
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.
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.
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.
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!
Name the culprit
Choose the one suspect left standing.
Answer Key — The Golden Dino Egg Mystery
- Clue 1 (Addition): "THE THIEF DOES NOT CRAFT IRON ARMOR"6 + 2 = 8 (T) · 13 + 7 = 20 (N) · 7 + 5 = 12 (E) · 3 + 4 = 7 (I) · 8 + 8 = 16 (A) · 11 + 8 = 19 (H) · 9 + 8 = 17 (O) · 2 + 1 = 3 (D) · 1 + 1 = 2 (S) · 5 + 10 = 15 (M) · 10 + 8 = 18 (R) · 8 + 3 = 11 (C) · 3 + 10 = 13 (F)
- Clue 2 (Subtraction): "THE SNEAKY PLAYER HOLDS A MAP"19 - 1 = 18 (T) · 18 - 1 = 17 (M) · 12 - 1 = 11 (H) · 10 - 7 = 3 (D) · 17 - 5 = 12 (N) · 20 - 1 = 19 (S) · 18 - 5 = 13 (O) · 11 - 3 = 8 (K) · 18 - 9 = 9 (A) · 19 - 4 = 15 (L) · 15 - 8 = 7 (R) · 8 - 6 = 2 (P) · 19 - 3 = 16 (E) · 17 - 3 = 14 (Y)
- Clue 3 (Place value): "THE THIEF HATES SPLASHING WATER"What number has 5 tens and 7 ones? = 57 (T) · What number has 9 tens and 3 ones? = 93 (P) · What number has 8 tens and 0 ones? = 80 (A) · What number has 2 tens and 5 ones? = 25 (G) · What number has 3 tens and 7 ones? = 37 (R) · What number has 4 tens and 7 ones? = 47 (E) · What number has 3 tens and 6 ones? = 36 (I) · What number has 9 tens and 5 ones? = 95 (N) · What number has 7 tens and 1 one? = 71 (H) · What number has 3 tens and 9 ones? = 39 (F) · What number has 7 tens and 0 ones? = 70 (L) · What number has 4 tens and 8 ones? = 48 (W) · What number has 4 tens and 0 ones? = 40 (S)
- Clue 4 (Skip counting): "WE FOUND BLUE BLOCKY HAIR"Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (W) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (B) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (D) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (C) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (F) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (Y) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (N) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (R) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, ___, 27, 30 = 24 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60 = 40 (U) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (K) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (H)
- Clue 5 (Missing addends): surviving statement (box 5) → Lex8 + ___ = 20 = 12 · 4 + ___ = 14 = 10 · 4 + ___ = 10 = 6 · 1 + ___ = 9 = 8 · 7 + ___ = 9 = 2 · 8 + ___ = 17 = 9 · 3 + ___ = 14 = 11 · 5 + ___ = 8 = 3 · 2 + ___ = 9 = 7 · 5 + ___ = 9 = 4 · 6 + ___ = 7 = 1
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
