⚽ Cats, Soccer, Mermaids, UnicGrade 4Reading: grades 3-4Place valueSkip countingRoundingBar modelsFractions of a number
The Underwater Blox Cup Mystery
Someone swapped the golden soccer trophy with a bubble wand right before the championship game! Solve the clues to catch the culprit.
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 | Special Move | Equipped Gear | Player Stance | Player Hair | Distraction |
|---|---|---|---|---|---|
| Sea Breeze | Rainbow Kick | Aqua Fin | Left Handed | Blue Fin Hair | Shiny Coins |
| Blox Builder | Tail Swipe | Glitch Boots | Wears Visor | Blue Fin Hair | Shiny Coins |
| Megan Rapinoe | Rainbow Kick | Glitch Boots | Wears Visor | Blue Fin Hair | Laser Pointers |
| Blox Star | Horn Blast | Aqua Fin | Left Handed | Orange Fur | Shiny Coins |
| Finny Flip | Tail Swipe | Aqua Fin | Wears Visor | Pink Mane | Laser Pointers |
| Meowser | Rainbow Kick | Glitch Boots | Left Handed | Pink Mane | Squeaky Toys |
| Neymar Cat | Tail Swipe | Pixel Wand | Left Handed | Orange Fur | Squeaky Toys |
| Tidal Waves | Horn Blast | Glitch Boots | Wears Visor | Blue Fin Hair | Shiny Coins |
| Princess Coral | Horn Blast | Sparkle Cloak | Wears Visor | Blue Fin Hair | Shiny Coins |
| Splashy Sam | Horn Blast | Glitch Boots | Left Handed | Orange Fur | Squeaky Toys |
| Captain Whiskers | Bubble Dash | Neon Cleats | Left Handed | Orange Fur | Laser Pointers |
| Kittie Kick | Horn Blast | Sparkle Cloak | Wears Visor | Blue Fin Hair | Squeaky Toys |
| Pele | Bubble Dash | Pixel Wand | Wears Visor | Blue Fin Hair | Laser Pointers |
| Pixel Pete | Rainbow Kick | Neon Cleats | Left Handed | Orange Fur | Squeaky Toys |
| Sirena Blue | Tail Swipe | Aqua Fin | Left Handed | Orange Fur | Squeaky Toys |
| Rainbow Dash | Rainbow Kick | Glitch Boots | Wears Visor | Orange Fur | Squeaky Toys |
| Purrnaldo | Horn Blast | Sparkle Cloak | Left Handed | Orange Fur | Squeaky Toys |
| Starlight Horn | Bubble Dash | Neon Cleats | Left Handed | Pink Mane | Shiny Coins |
| Mia Hamm | Rainbow Kick | Pixel Wand | Wears Visor | Pink Mane | Shiny Coins |
| Catnip Carl | Bubble Dash | Neon Cleats | Left Handed | Pink Mane | Squeaky Toys |
| Glitter Mane | Bubble Dash | Glitch Boots | Left Handed | Blue Fin Hair | Shiny Coins |
Clue 1
Place value
The stadium digital clock showed place value digits to reveal 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
100
40
500
600
90
30
30
800
90
4000
20
7000
500
6000
4000
7000
T
100
40
800
600
500
800
6000
60
800
2000
400
30
500
8000
30
7000
800
400
What is the value of the 1 in 149?T
What is the value of the 6 in 8,060?P
What is the value of the 8 in 822?A
What is the value of the 6 in 7,678?V
What is the value of the 7 in 97,142?O
What is the value of the 9 in 795?I
What is the value of the 2 in 2,715?R
What is the value of the 6 in 6,128?S
What is the value of the 4 in 8,473?K
What is the value of the 3 in 437?L
What is the value of the 5 in 6,549?E
What is the value of the 4 in 14,976?N
What is the value of the 2 in 4,726?D
What is the value of the 4 in 5,743?H
What is the value of the 8 in 8,197?C
0/15 letters found
Clue 2
Skip counting
Referee Whiskers counted soccer balls by skip counting in groups across the field.
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
60
15
12
30
33
30
36
12
18
T
60
T
60
15
16
12
20
42
110
55
55
30
20
27
T
60
15
55
12
70
T
60
15
110
39
80
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42P
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48B
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65L
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130A
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24C
Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18E
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90F
0/16 letters found
Clue 3
Rounding
The arena scoreboard rounded the fan attendance number to give a helpful 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
30
1100
7000
300
500
3700
3700
1700
500
70
2900
3700
7000
7000
2900
2300
1300
9000
370
430
290
7000
1700
230
900
T
30
1300
900
370
Round 26 to the nearest tenT
Round 367 to the nearest tenS
Round 2,906 to the nearest hundredF
Round 67 to the nearest tenN
Round 7,443 to the nearest thousandE
Round 1,656 to the nearest hundredA
Round 293 to the nearest tenU
Round 1,266 to the nearest hundredO
Round 1,086 to the nearest hundredH
Round 431 to the nearest tenQ
Round 949 to the nearest hundredY
Round 234 to the nearest tenK
Round 3,722 to the nearest hundredL
Round 8,947 to the nearest thousandM
Round 269 to the nearest hundredV
Round 2,253 to the nearest hundredR
Round 493 to the nearest hundredI
0/17 letters found
Clue 4
Bar model word problems
Coach Whiskers drew a bar model in the sand to compare team points.
Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.
Astrandof hairturnedupatthescene.
O
16
106
79
71
85
114
144
U
106
There were 26 blox coins in all. 10 blox coins were used. How many blox coins are left?
draw a bar model
Answer:→O
There were 146 blox coins in all. 40 blox coins were used. How many blox coins are left?
draw a bar model
Answer:→R
The red team has 149 unicorn snacks and the blue team has 5 unicorn snacks. How many more unicorn snacks does the red team have?
draw a bar model
Answer:→F
Coach Whiskers used 4/5 of the glitter soccer balls on the first day. The other 17 glitter soccer balls were used the next day. How many glitter soccer balls were there in all?
draw a bar model
Answer:→G
Coach Whiskers shares 158 squeaky mouse toys equally among 2 teams. How many squeaky mouse toys does each team get?
draw a bar model
Answer:→A
Coach Whiskers used 1/2 of the squeaky mouse toys on the first day. The other 57 squeaky mouse toys were used the next day. How many squeaky mouse toys were there in all?
draw a bar model
Answer:→E
Coach Whiskers shares 213 glitter soccer balls equally among 3 teams. How many glitter soccer balls does each team get?
draw a bar model
Answer:→N
0/7 letters found
Clue 5
Fractions of a number — the last clue
The cat captain calculated a fraction of energy drinks left in the cooler.
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
1/5 of 30 = ?
2/10 of 5 = ?
2/8 of 44 = ?
5/10 of 24 = ?
2/4 of 16 = ?
1/4 of 8 = ?
2/10 of 35 = ?
1/5 of 20 = ?
5/10 of 20 = ?
3/6 of 10 = ?
1/4 of 36 = ?
Step 2 — cross out the sentence with each answer
1.The villain swiped with tail swipe, then swam with aqua fin.
2.The villain blasted a horn blast, then laced up neon cleats.
3.The villain blasted a horn blast, then laced up glitch boots.
4.The villain blocked with purr shield, then put on a sparkle cloak.
5.The villain dashed using bubble dash, then swam with aqua fin.
6.The villain swiped with tail swipe, then waved a pixel wand.
7.The villain blocked with purr shield, then waved a pixel wand.
8.The villain kicked with rainbow kick, then put on a sparkle cloak.
9.The villain swiped with tail swipe, then laced up glitch boots.
10.The villain swiped with tail swipe, then put on a sparkle cloak.
11.The villain kicked with rainbow kick, then laced up neon cleats.
12.The villain kicked with rainbow kick, then laced up glitch boots.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Underwater Blox Cup Mystery
Culprit: Splashy Sam (Horn Blast · Glitch Boots · Left Handed · Orange Fur · Squeaky Toys)
- Clue 1 (Place value): "THE VILLAIN DOES NOT HAVE A SPARKLE CLOAK"What is the value of the 1 in 149? = 100 (T) · What is the value of the 6 in 8,060? = 60 (P) · What is the value of the 8 in 822? = 800 (A) · What is the value of the 6 in 7,678? = 600 (V) · What is the value of the 7 in 97,142? = 7000 (O) · What is the value of the 9 in 795? = 90 (I) · What is the value of the 2 in 2,715? = 2000 (R) · What is the value of the 6 in 6,128? = 6000 (S) · What is the value of the 4 in 8,473? = 400 (K) · What is the value of the 3 in 437? = 30 (L) · What is the value of the 5 in 6,549? = 500 (E) · What is the value of the 4 in 14,976? = 4000 (N) · What is the value of the 2 in 4,726? = 20 (D) · What is the value of the 4 in 5,743? = 40 (H) · What is the value of the 8 in 8,197? = 8000 (C)
- Clue 2 (Skip counting): "THE SUSPECT THREW BALLS WITH LEFT HAND"Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80 = 60 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (R) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (P) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (B) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, ___, 35, 40 = 30 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (A) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24 = 18 (C) · Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18 = 12 (E) · Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25 = 15 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (F)
- Clue 3 (Rounding): "THE VILLAIN FLEE FROM SQUEAKY TOYS"Round 26 to the nearest ten = 30 (T) · Round 367 to the nearest ten = 370 (S) · Round 2,906 to the nearest hundred = 2900 (F) · Round 67 to the nearest ten = 70 (N) · Round 7,443 to the nearest thousand = 7000 (E) · Round 1,656 to the nearest hundred = 1700 (A) · Round 293 to the nearest ten = 290 (U) · Round 1,266 to the nearest hundred = 1300 (O) · Round 1,086 to the nearest hundred = 1100 (H) · Round 431 to the nearest ten = 430 (Q) · Round 949 to the nearest hundred = 900 (Y) · Round 234 to the nearest ten = 230 (K) · Round 3,722 to the nearest hundred = 3700 (L) · Round 8,947 to the nearest thousand = 9000 (M) · Round 269 to the nearest hundred = 300 (V) · Round 2,253 to the nearest hundred = 2300 (R) · Round 493 to the nearest hundred = 500 (I)
- Clue 4 (Bar model word problems): "ORANGE FUR"There were 26 blox coins in all. 10 blox coins were used. How many blox coins are left? = 16 (O) · There were 146 blox coins in all. 40 blox coins were used. How many blox coins are left? = 106 (R) · The red team has 149 unicorn snacks and the blue team has 5 unicorn snacks. How many more unicorn snacks does the red team have? = 144 (F) · Coach Whiskers used 4/5 of the glitter soccer balls on the first day. The other 17 glitter soccer balls were used the next day. How many glitter soccer balls were there in all? = 85 (G) · Coach Whiskers shares 158 squeaky mouse toys equally among 2 teams. How many squeaky mouse toys does each team get? = 79 (A) · Coach Whiskers used 1/2 of the squeaky mouse toys on the first day. The other 57 squeaky mouse toys were used the next day. How many squeaky mouse toys were there in all? = 114 (E) · Coach Whiskers shares 213 glitter soccer balls equally among 3 teams. How many glitter soccer balls does each team get? = 71 (N)
- Clue 5 (Fractions of a number): surviving statement (box 3) → Splashy Sam1/5 of 30 = 6 · 2/10 of 5 = 1 · 2/8 of 44 = 11 · 5/10 of 24 = 12 · 2/4 of 16 = 8 · 1/4 of 8 = 2 · 2/10 of 35 = 7 · 1/5 of 20 = 4 · 5/10 of 20 = 10 · 3/6 of 10 = 5 · 1/4 of 36 = 9
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Place value, Skip counting, Rounding, Bar models, Fractions of a number
- Reading level
- grades 3-4
- Theme
- The Underwater Blox Cup Mystery — set in Bubble Park Arena on Blox Island
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects