🐱 Minecraft, CatsGrade 3Reading: grades 3-4AdditionPlace valueSubtractionRoundingDivision
The Case of the Missing Mew-seum Diamond
Oh no! The legendary Golden Salmon Block has been snatched from the craft-room of the Craftia Kitty Mew-seum! Only a master builder with quick paws could have bypassed the redstone lasers. Detective, grab your map and your milk bowl—we have a mystery to solve!
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 | Main Power | Extra Power | Observed Tell | Ear Accessory | Silly Weakness |
|---|---|---|---|---|---|
| Shubble | fast wall climbing | golden carrot snack | left handed block placer | ginger cat ears | rustling treat bag |
| Steve | night vision brewing | enchanted fishing rod | left handed block placer | ginger cat ears | splash water potion |
| DanTDM | creeper taming | diamond boots | left handed block placer | calico hair clip | shiny laser pointer |
| Aphmau | super high jumping | netherite pickaxe | right handed block placer | calico hair clip | shiny laser pointer |
| Scott | fast wall climbing | golden carrot snack | left handed block placer | tuxedo cat hood | shiny laser pointer |
| Mumbo | night vision brewing | golden carrot snack | right handed block placer | calico hair clip | rustling treat bag |
| Martyn | night vision brewing | diamond boots | left handed block placer | tuxedo cat hood | splash water potion |
| Tubbo | ender pearl tossing | netherite pickaxe | right handed block placer | calico hair clip | rustling treat bag |
| Grian | fast wall climbing | golden carrot snack | right handed block placer | calico hair clip | rustling treat bag |
| Lizzie | creeper taming | enchanted fishing rod | right handed block placer | tuxedo cat hood | splash water potion |
| Stampy | night vision brewing | diamond boots | left handed block placer | tuxedo cat hood | shiny laser pointer |
| Katherine | creeper taming | golden carrot snack | right handed block placer | tuxedo cat hood | rustling treat bag |
| Tommy | night vision brewing | diamond boots | right handed block placer | ginger cat ears | rustling treat bag |
| Scar | ender pearl tossing | gliding elytra wings | right handed block placer | calico hair clip | rustling treat bag |
| Jimmy | night vision brewing | golden carrot snack | left handed block placer | calico hair clip | rustling treat bag |
| Wilbur | ender pearl tossing | diamond boots | right handed block placer | tuxedo cat hood | rustling treat bag |
| Oli | night vision brewing | golden carrot snack | left handed block placer | tuxedo cat hood | shiny laser pointer |
| Alex | fast wall climbing | enchanted fishing rod | right handed block placer | tuxedo cat hood | rustling treat bag |
| Shelby | night vision brewing | golden carrot snack | left handed block placer | ginger cat ears | shiny laser pointer |
| Sparklez | creeper taming | enchanted fishing rod | left handed block placer | tuxedo cat hood | shiny laser pointer |
| Nikki | night vision brewing | enchanted fishing rod | right handed block placer | calico hair clip | rustling treat bag |
Clue 1
Addition
We count the spilled fish bones on the floor. Adding them together reveals 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
691
937
467
551
752
411
411
737
752
959
937
737
229
959
815
594
411
752
773
752
959
594
467
411
324
T
691
831
737
405
752
959
594
229
434 + 257 =T
443 + 294 =A
478 + 337 =O
294 + 458 =I
254 + 213 =E
533 + 240 =D
522 + 309 =R
370 + 224 =G
249 + 162 =L
167 + 157 =Y
134 + 95 =S
249 + 156 =W
610 + 327 =H
336 + 623 =N
352 + 199 =V
0/15 letters found
Clue 2
Place value
A coded block lock blocks the exit. Looking closely at the place value digits reveals 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.
R
5000
500
80
20
200
20
300
800
70
900
70
8000
9000
2000
30
600
7000
9000
300
30
500
800
80
800
2000
200
900
70
2000
800
30
300
90
900
R
5000
300
What is the value of the 5 in 25,060?R
What is the value of the 7 in 7,102?P
What is the value of the 2 in 9,253?T
What is the value of the 2 in 4,420?H
What is the value of the 7 in 3,374?D
What is the value of the 8 in 2,833?N
What is the value of the 3 in 367?A
What is the value of the 3 in 238?C
What is the value of the 8 in 9,980?G
What is the value of the 9 in 49,883?L
What is the value of the 9 in 392?M
What is the value of the 6 in 655?K
What is the value of the 8 in 98,593?B
What is the value of the 2 in 2,574?O
What is the value of the 9 in 967?E
What is the value of the 5 in 571?I
0/16 letters found
Clue 3
Subtraction
Some yarn balls are missing from the basket. Subtracting the stolen ones helps us find this 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
659
884
283
320
876
175
175
206
876
794
517
T
659
705
423
423
283
216
289
705
523
206
523
814
517
T
659
175
876
794
189
T
659
523
283
206
T
659
582
206
189
780 - 121 =T
353 - 147 =A
1017 - 223 =N
1066 - 361 =O
420 - 137 =E
1143 - 267 =I
925 - 343 =B
741 - 318 =P
753 - 236 =S
558 - 269 =F
279 - 63 =D
464 - 275 =G
816 - 293 =R
370 - 195 =L
952 - 138 =U
1234 - 350 =H
478 - 158 =V
0/17 letters found
Clue 4
Rounding
A redstone scanner screen flashes bright numbers. Rounding the weight to the nearest ten unlocks this 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.
A
500
3000
A
500
900
40
3000
4000
300
A
500
40
5000
3000
900
40
600
6000
A
500
800
80
5000
4000
600
600
8000
80
40
7000
60
300
8000
80
40
5000
60
Round 504 to the nearest hundredA
Round 64 to the nearest tenT
Round 303 to the nearest hundredH
Round 5,161 to the nearest thousandR
Round 84 to the nearest tenD
Round 3,695 to the nearest thousandO
Round 620 to the nearest hundredP
Round 2,734 to the nearest thousandC
Round 6,788 to the nearest thousandN
Round 7,685 to the nearest thousandE
Round 938 to the nearest hundredL
Round 44 to the nearest tenI
Round 821 to the nearest hundredS
Round 6,003 to the nearest thousandW
0/14 letters found
Clue 5
Division facts (1-12) — the last clue
We share a pile of cat treats equally among the kittens. Dividing them fairly gives us our final 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
36 ÷ 12 = ?
30 ÷ 3 = ?
72 ÷ 8 = ?
11 ÷ 1 = ?
50 ÷ 10 = ?
42 ÷ 7 = ?
16 ÷ 4 = ?
32 ÷ 4 = ?
11 ÷ 11 = ?
4 ÷ 2 = ?
70 ÷ 10 = ?
Step 2 — cross out the sentence with each answer
1.The villain teleported into the cozy cat cafe, then knocked over the tower of wool blocks.
2.The villain teleported into the cozy cat cafe, then gobbled up the giant cake block.
3.The villain dashed through the dark jungle biome, then gobbled up the giant cake block.
4.The villain scaled the tall oak wood treehouse, then freed all the tamed calico kittens.
5.The villain sneaked past the sleeping iron golem, then gobbled up the giant cake block.
6.The villain sneaked past the sleeping iron golem, then swiped the sacred golden fish trophy.
7.The villain sneaked past the sleeping iron golem, then scattered shiny blue diamonds everywhere.
8.The villain dashed through the dark jungle biome, then knocked over the tower of wool blocks.
9.The villain dashed through the dark jungle biome, then scattered shiny blue diamonds everywhere.
10.The villain sneaked past the sleeping iron golem, then knocked over the tower of wool blocks.
11.The villain crafted a secret tunnel under the base, then knocked over the tower of wool blocks.
12.The villain scaled the tall oak wood treehouse, then gobbled up the giant cake block.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Mew-seum Diamond
Culprit: Grian (fast wall climbing · golden carrot snack · right handed block placer · calico hair clip · rustling treat bag)
- Clue 1 (Addition): "THE VILLAIN HAS NO GLIDING ELYTRA WINGS"434 + 257 = 691 (T) · 443 + 294 = 737 (A) · 478 + 337 = 815 (O) · 294 + 458 = 752 (I) · 254 + 213 = 467 (E) · 533 + 240 = 773 (D) · 522 + 309 = 831 (R) · 370 + 224 = 594 (G) · 249 + 162 = 411 (L) · 167 + 157 = 324 (Y) · 134 + 95 = 229 (S) · 249 + 156 = 405 (W) · 610 + 327 = 937 (H) · 336 + 623 = 959 (N) · 352 + 199 = 551 (V)
- Clue 2 (Place value): "RIGHT HANDED BLOCK PLACING NOTED ON CAMERA"What is the value of the 5 in 25,060? = 5000 (R) · What is the value of the 7 in 7,102? = 7000 (P) · What is the value of the 2 in 9,253? = 200 (T) · What is the value of the 2 in 4,420? = 20 (H) · What is the value of the 7 in 3,374? = 70 (D) · What is the value of the 8 in 2,833? = 800 (N) · What is the value of the 3 in 367? = 300 (A) · What is the value of the 3 in 238? = 30 (C) · What is the value of the 8 in 9,980? = 80 (G) · What is the value of the 9 in 49,883? = 9000 (L) · What is the value of the 9 in 392? = 90 (M) · What is the value of the 6 in 655? = 600 (K) · What is the value of the 8 in 98,593? = 8000 (B) · What is the value of the 2 in 2,574? = 2000 (O) · What is the value of the 9 in 967? = 900 (E) · What is the value of the 5 in 571? = 500 (I)
- Clue 3 (Subtraction): "THE VILLAIN STOPPED FOR A RUSTLING TREAT BAG"780 - 121 = 659 (T) · 353 - 147 = 206 (A) · 1017 - 223 = 794 (N) · 1066 - 361 = 705 (O) · 420 - 137 = 283 (E) · 1143 - 267 = 876 (I) · 925 - 343 = 582 (B) · 741 - 318 = 423 (P) · 753 - 236 = 517 (S) · 558 - 269 = 289 (F) · 279 - 63 = 216 (D) · 464 - 275 = 189 (G) · 816 - 293 = 523 (R) · 370 - 195 = 175 (L) · 952 - 138 = 814 (U) · 1234 - 350 = 884 (H) · 478 - 158 = 320 (V)
- Clue 4 (Rounding): "A CALICO HAIR CLIP WAS DROPPED IN THE DIRT"Round 504 to the nearest hundred = 500 (A) · Round 64 to the nearest ten = 60 (T) · Round 303 to the nearest hundred = 300 (H) · Round 5,161 to the nearest thousand = 5000 (R) · Round 84 to the nearest ten = 80 (D) · Round 3,695 to the nearest thousand = 4000 (O) · Round 620 to the nearest hundred = 600 (P) · Round 2,734 to the nearest thousand = 3000 (C) · Round 6,788 to the nearest thousand = 7000 (N) · Round 7,685 to the nearest thousand = 8000 (E) · Round 938 to the nearest hundred = 900 (L) · Round 44 to the nearest ten = 40 (I) · Round 821 to the nearest hundred = 800 (S) · Round 6,003 to the nearest thousand = 6000 (W)
- Clue 5 (Division facts (1-12)): surviving statement (box 12) → Grian36 ÷ 12 = 3 · 30 ÷ 3 = 10 · 72 ÷ 8 = 9 · 11 ÷ 1 = 11 · 50 ÷ 10 = 5 · 42 ÷ 7 = 6 · 16 ÷ 4 = 4 · 32 ÷ 4 = 8 · 11 ÷ 11 = 1 · 4 ÷ 2 = 2 · 70 ÷ 10 = 7
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Addition, Place value, Subtraction, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Mew-seum Diamond — set in Craftia Kitty Mew-seum
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects