🚀 Space, Soccer, Basketball, CGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Cosmic Block-Ball Mystery

The legendary Golden Championship Block-Ball has been stolen right out of the trophy room at the Nebula Arena! A sneaky space kitty bypassed the gravity laser grid. Now the entire space league is in jeopardy!

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	Super Move	Space Gear	Shooting Hand	Space Helmet Color	Distraction
Alex Morgan	Gravity Dunk	Pixel Glove	Right Handed	Neon Green	Yarn Balls
Serena Whisker	Laser Block	Jetpack Jersey	Right Handed	Bright Orange	Fish Treats
Socks Rocket	Pixel Dash	Gravity Boots	Right Handed	Bright Orange	Yarn Balls
Michael Clawdan	Gravity Dunk	Glow Goggles	Right Handed	Neon Green	Fish Treats
Captain Claw	Laser Block	Pixel Glove	Left Handed	Neon Green	Catnip Toys
Lionel Mewsi	Gravity Dunk	Glow Goggles	Left Handed	Neon Green	Catnip Toys
Steph Furry	Laser Block	Glow Goggles	Left Handed	Neon Green	Fish Treats
Squeaky Star	Gravity Dunk	Gravity Boots	Left Handed	Neon Green	Catnip Toys
Steve Block	Rocket Kick	Laser Cleats	Left Handed	Bright Orange	Catnip Toys
Pixel Purr	Laser Block	Pixel Glove	Right Handed	Neon Green	Fish Treats
Creeper Cat	Pixel Dash	Glow Goggles	Left Handed	Cosmic Purple	Fish Treats
Cosmo Mew	Rocket Kick	Gravity Boots	Left Handed	Neon Green	Fish Treats
Felix Float	Laser Block	Glow Goggles	Left Handed	Neon Green	Catnip Toys
LeBron Paw	Laser Block	Glow Goggles	Right Handed	Neon Green	Catnip Toys
Gizmo Orbit	Teleport Pass	Jetpack Jersey	Left Handed	Neon Green	Catnip Toys
Ziggy Zap	Pixel Dash	Glow Goggles	Right Handed	Cosmic Purple	Fish Treats
Mittens Block	Gravity Dunk	Laser Cleats	Right Handed	Neon Green	Catnip Toys
Astro Whiskers	Rocket Kick	Laser Cleats	Right Handed	Bright Orange	Catnip Toys
Nebula Ned	Gravity Dunk	Jetpack Jersey	Right Handed	Cosmic Purple	Yarn Balls
Boots McSpace	Rocket Kick	Jetpack Jersey	Left Handed	Neon Green	Yarn Balls
Ender Kitty	Pixel Dash	Glow Goggles	Right Handed	Bright Orange	Yarn Balls

Clue 1

Rounding

The radar screen only shows rounded rocket coordinates. Estimate the numbers to lock onto the thief's escape ship!

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

290

7000

430

1700

900

2900

1700

2000

370

130

7000

200

2000

130

2300

7000

2900

4300

2900

3700

1700

500

7000

900

5000

900

130

430

7000

Round 18 to the nearest tenT

Round 3,688 to the nearest hundredP

Round 428 to the nearest tenV

Round 543 to the nearest hundredX

Round 6,620 to the nearest thousandE

Round 4,294 to the nearest hundredR

Round 875 to the nearest hundredL

Round 1,734 to the nearest hundredI

Round 172 to the nearest hundredS

Round 2,926 to the nearest hundredA

Round 4,884 to the nearest thousandG

Round 2,337 to the nearest hundredW

Round 291 to the nearest tenH

Round 2,238 to the nearest thousandN

Round 371 to the nearest tenD

Round 132 to the nearest tenO

0/16 letters found

Clue 2

Addition

We need to add up all the missing space soccer balls in the locker room. Count them to find a 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.

4452

6536

5938

7648

8697

4159

6548

8697

4475

6595

3827

5938

3827

4452

6536

5938

8697

9569

4159

5938

4572

4452

6536

6548

4475

7637

4452

5404

3827

6536

5404

4452

2462 + 1990 =T

3829 + 5740 =R

2095 + 2064 =L

2355 + 1472 =S

2320 + 5317 =D

2165 + 4430 =U

2548 + 2856 =O

2424 + 3514 =E

5322 + 2326 =V

4574 + 1962 =H

2442 + 2130 =F

1467 + 3008 =N

2830 + 5867 =I

4078 + 2470 =A

0/14 letters found

Clue 3

Subtraction

The villain dropped some pixel blocks on the run. Subtract the broken blocks from the total to clear our path.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

7045

5476

5714

3041

4651

7045

6002

2318

5686

7045

8136

5554

1236

7045

8597

2318

5686

5714

2682

6870

5686

7045

5476

5714

3995

2318

2835

4651

2318

6002

8967 - 1922 =T

9628 - 4074 =Y

4084 - 1402 =D

7910 - 3915 =V

4027 - 986 =C

5749 - 4513 =S

11223 - 4353 =U

7391 - 1915 =H

3587 - 1269 =I

11765 - 3168 =R

5761 - 2926 =L

8573 - 3922 =A

6892 - 890 =N

6022 - 336 =P

12936 - 4800 =O

9065 - 3351 =E

0/16 letters found

Clue 4

Multiplication facts (1-12)

The star cruisers are parked in equal rows. Multiply the rows to find out how many ships are left!

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

120

6 × 7 =N

9 × 7 =S

8 × 8 =D

1 × 5 =W

4 × 2 =G

10 × 8 =U

7 × 3 =E

11 × 5 =L

7 × 12 =M

3 × 10 =F

7 × 11 =O

3 × 9 =H

1 × 3 =T

8 × 7 =R

12 × 10 =A

0/15 letters found

Clue 5

Division facts (1-12) — the last clue

Let's share these tasty space cat treats equally among our star players. Divide them up to get the 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

7 ÷ 1 = ?

12 ÷ 3 = ?

96 ÷ 12 = ?

22 ÷ 2 = ?

70 ÷ 7 = ?

45 ÷ 5 = ?

10 ÷ 5 = ?

36 ÷ 12 = ?

42 ÷ 7 = ?

50 ÷ 10 = ?

24 ÷ 2 = ?

Step 2 — cross out the sentence with each answer

1.The villain warped across the court, then hopped onto a flying star cruiser.

2.The villain zapped the stadium defense shield, then zoomed off wearing rocket sneakers.

3.The villain dunked through a black hole portal, then teleported through a warp gate.

4.The villain zapped the stadium defense shield, then scrambled the arena scoreboard.

5.The villain dunked through a black hole portal, then floated away into deep orbit.

6.The villain kicked a flaming soccer ball, then hopped onto a flying star cruiser.

7.The villain activated the anti-gravity engine, then floated away into deep orbit.

8.The villain activated the anti-gravity engine, then scrambled the arena scoreboard.

9.The villain dunked through a black hole portal, then zoomed off wearing rocket sneakers.

10.The villain zapped the stadium defense shield, then floated away into deep orbit.

11.The villain activated the anti-gravity engine, then teleported through a warp gate.

12.The villain dunked through a black hole portal, then scrambled the arena scoreboard.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Cosmic Block-Ball Mystery

Culprit: Gizmo Orbit (Teleport Pass · Jetpack Jersey · Left Handed · Neon Green · Catnip Toys)

Clue 1 (Rounding): "THE VILLAIN DOES NOT WEAR A PIXEL GLOVE"
Round 18 to the nearest ten = 20 (T) · Round 3,688 to the nearest hundred = 3700 (P) · Round 428 to the nearest ten = 430 (V) · Round 543 to the nearest hundred = 500 (X) · Round 6,620 to the nearest thousand = 7000 (E) · Round 4,294 to the nearest hundred = 4300 (R) · Round 875 to the nearest hundred = 900 (L) · Round 1,734 to the nearest hundred = 1700 (I) · Round 172 to the nearest hundred = 200 (S) · Round 2,926 to the nearest hundred = 2900 (A) · Round 4,884 to the nearest thousand = 5000 (G) · Round 2,337 to the nearest hundred = 2300 (W) · Round 291 to the nearest ten = 290 (H) · Round 2,238 to the nearest thousand = 2000 (N) · Round 371 to the nearest ten = 370 (D) · Round 132 to the nearest ten = 130 (O)
Clue 2 (Addition): "THE VILLAIN USES THEIR LEFT HAND TO SHOOT"
2462 + 1990 = 4452 (T) · 3829 + 5740 = 9569 (R) · 2095 + 2064 = 4159 (L) · 2355 + 1472 = 3827 (S) · 2320 + 5317 = 7637 (D) · 2165 + 4430 = 6595 (U) · 2548 + 2856 = 5404 (O) · 2424 + 3514 = 5938 (E) · 5322 + 2326 = 7648 (V) · 4574 + 1962 = 6536 (H) · 2442 + 2130 = 4572 (F) · 1467 + 3008 = 4475 (N) · 2830 + 5867 = 8697 (I) · 4078 + 2470 = 6548 (A)
Clue 3 (Subtraction): "THE CATNIP TOYS TRIPPED UP THE VILLAIN"
8967 - 1922 = 7045 (T) · 9628 - 4074 = 5554 (Y) · 4084 - 1402 = 2682 (D) · 7910 - 3915 = 3995 (V) · 4027 - 986 = 3041 (C) · 5749 - 4513 = 1236 (S) · 11223 - 4353 = 6870 (U) · 7391 - 1915 = 5476 (H) · 3587 - 1269 = 2318 (I) · 11765 - 3168 = 8597 (R) · 5761 - 2926 = 2835 (L) · 8573 - 3922 = 4651 (A) · 6892 - 890 = 6002 (N) · 6022 - 336 = 5686 (P) · 12936 - 4800 = 8136 (O) · 9065 - 3351 = 5714 (E)
Clue 4 (Multiplication facts (1-12)): "NEON GREEN HELMET GLASS SHARDS WERE FOUND"
6 × 7 = 42 (N) · 9 × 7 = 63 (S) · 8 × 8 = 64 (D) · 1 × 5 = 5 (W) · 4 × 2 = 8 (G) · 10 × 8 = 80 (U) · 7 × 3 = 21 (E) · 11 × 5 = 55 (L) · 7 × 12 = 84 (M) · 3 × 10 = 30 (F) · 7 × 11 = 77 (O) · 3 × 9 = 27 (H) · 1 × 3 = 3 (T) · 8 × 7 = 56 (R) · 12 × 10 = 120 (A)
Clue 5 (Division facts (1-12)): surviving statement (box 1) → Gizmo Orbit
7 ÷ 1 = 7 · 12 ÷ 3 = 4 · 96 ÷ 12 = 8 · 22 ÷ 2 = 11 · 70 ÷ 7 = 10 · 45 ÷ 5 = 9 · 10 ÷ 5 = 2 · 36 ÷ 12 = 3 · 42 ÷ 7 = 6 · 50 ÷ 10 = 5 · 24 ÷ 2 = 12

About this mystery

Grade level: Grade 4 math
Math topics: Rounding, Addition, Subtraction, Multiplication, Division
Reading level: grades 3-4
Theme: The Cosmic Block-Ball Mystery — set in The Nebula Arena
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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