⚽ Cats, Soccer, Mermaids, UnicGrade 3Reading: grades 3-4Skip countingPlace valueMulti-step word problemsBar modelsFractions of a number
The Great Rainbow Reef Cup Mystery
During the final match of the Pixel League, someone swapped the championship trophy with a giant rubber duck! The Star Goalie saw a mysterious player zooming across the turf just before the lights flickered. Detective Whiskers needs your math skills to inspect the clues, read the field evidence, and find out which striker took the trophy!
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 | Kicking Foot | Mane Style | Distraction Item |
|---|---|---|---|---|---|
| Pernille Harder | Bubble Blast | Sparkle Boots | Left Footed | Purple Fins | Catnip Toys |
| Tobin Heath | Tail Spin | Whiskered Mask | Left Footed | Golden Tail | Laser Pointers |
| Sophia Smith | Tail Spin | Whiskered Mask | Right Footed | Purple Fins | Laser Pointers |
| Aitana Bonmati | Bubble Blast | Coral Crown | Right Footed | Pink Mane | Laser Pointers |
| Lucy Bronze | Pixel Warp | Sparkle Boots | Right Footed | Purple Fins | Laser Pointers |
| Marta | Turbo Dash | Neon Horn | Left Footed | Golden Tail | Laser Pointers |
| Beth Mead | Turbo Dash | Sparkle Boots | Right Footed | Purple Fins | Squeaky Balls |
| Sam Kerr | Bubble Blast | Neon Horn | Right Footed | Golden Tail | Squeaky Balls |
| Megan Rapinoe | Tail Spin | Neon Horn | Right Footed | Purple Fins | Squeaky Balls |
| Keira Walsh | Turbo Dash | Whiskered Mask | Left Footed | Golden Tail | Laser Pointers |
| Christine Sinclair | Rainbow Kick | Whiskered Mask | Right Footed | Pink Mane | Laser Pointers |
| Asisat Oshoala | Tail Spin | Glitter Shield | Left Footed | Pink Mane | Catnip Toys |
| Crystal Dunn | Bubble Blast | Whiskered Mask | Left Footed | Purple Fins | Laser Pointers |
| Becky Sauerbrunn | Pixel Warp | Neon Horn | Right Footed | Golden Tail | Catnip Toys |
| Lindsey Horan | Turbo Dash | Sparkle Boots | Left Footed | Pink Mane | Catnip Toys |
| Mallory Swanson | Pixel Warp | Whiskered Mask | Right Footed | Purple Fins | Laser Pointers |
| Debinha | Bubble Blast | Glitter Shield | Right Footed | Golden Tail | Laser Pointers |
| Trinity Rodman | Rainbow Kick | Glitter Shield | Right Footed | Purple Fins | Laser Pointers |
| Alex Morgan | Pixel Warp | Glitter Shield | Right Footed | Pink Mane | Squeaky Balls |
| Vivianne Miedema | Turbo Dash | Neon Horn | Left Footed | Golden Tail | Squeaky Balls |
| Rose Lavelle | Tail Spin | Sparkle Boots | Right Footed | Purple Fins | Laser Pointers |
Clue 1
Skip counting
We counted the ocean energy tokens in equal groups along the field lines to track down our 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
30
18
120
65
42
36
36
35
42
33
27
14
120
70
33
14
T
30
12
120
35
60
35
40
36
42
T
30
T
30
120
60
70
18
42
120
36
27
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36T
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140E
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60G
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33D
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75V
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45A
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18O
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80R
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39N
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22H
0/14 letters found
Clue 2
Place value
The digital scoreboard flashed pixel digits, and breaking down the place values unlocked secret security notes.
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
50
5000
10
7000
T
50
9000
300
60
10
9000
300
7000
9000
300
400
5000
T
50
70
900
900
T
50
10
600
What is the value of the 5 in 359?T
What is the value of the 4 in 8,430?G
What is the value of the 7 in 7,806?S
What is the value of the 7 in 5,074?F
What is the value of the 5 in 5,338?H
What is the value of the 1 in 717?E
What is the value of the 6 in 699?D
What is the value of the 6 in 561?K
What is the value of the 9 in 29,727?R
What is the value of the 9 in 965?O
What is the value of the 3 in 369?I
0/11 letters found
Clue 3
Multi-step word problems
By solving the steps of the arena gear inventory, we worked out the secret message behind the misplaced gear.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
L
33
9
23
21
16
32
18
I
N
T
21
16
23
There were 358 pixel soccer balls in all. 28 pixel soccer balls were set aside. The rest were shared equally among 10 Rainbow Reef FC. How many pixel soccer balls did each get?L
Coach Whiskers earned 2 unicorn badges in each of 6 rounds, plus 23 bonus unicorn badges. Then 14 unicorn badges were lost. How many unicorn badges are left?E
There were 166 glitter trophies in all. 38 glitter trophies were set aside. The rest were shared equally among 4 Rainbow Reef FC. How many glitter trophies did each get?P
Coach Whiskers collected 26 pixel soccer balls in the morning and 66 pixel soccer balls in the afternoon, then split them equally among 4 Rainbow Reef FC. How many pixel soccer balls did each get?S
Coach Whiskers collected 18 unicorn badges in the morning and 18 unicorn badges in the afternoon, then split them equally among 4 Rainbow Reef FC. How many unicorn badges did each get?A
Coach Whiskers collected 39 cat bells in the morning and 25 cat bells in the afternoon, then split them equally among 4 Rainbow Reef FC. How many cat bells did each get?R
There were 166 pixel soccer balls in all. 2 Rainbow Reef FC used 29 pixel soccer balls each. The other 6 Rainbow Reef FC shared the rest equally. How many pixel soccer balls did each of the other Rainbow Reef FC get?O
0/7 letters found
Clue 4
Bar model word problems
Comparing the lengths of rainbow energy bars on the coach board revealed a key piece of physical evidence.
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.
P
21
37
25
P
21
33
30
7
29
N
S
Coach Whiskers shares 42 cat bells equally among 2 teams. How many cat bells does each team get?
draw a bar model
Answer:→P
Coach Whiskers has 3 times as many pixel soccer balls as a teammate. The teammate has 10 pixel soccer balls. How many pixel soccer balls does Coach Whiskers have?
draw a bar model
Answer:→E
Coach Whiskers has 5 times as many cat bells as a teammate. The teammate has 5 cat bells. How many cat bells does Coach Whiskers have?
draw a bar model
Answer:→R
The red team has 42 glitter trophies and the blue team has 5 glitter trophies. How many more glitter trophies does the red team have?
draw a bar model
Answer:→U
Coach Whiskers has 11 times as many mermaid fins as a teammate. The teammate has 3 mermaid fins. How many mermaid fins does Coach Whiskers have?
draw a bar model
Answer:→L
There were 47 pixel soccer balls in all. 18 pixel soccer balls were used. How many pixel soccer balls are left?
draw a bar model
Answer:→I
One group collected 2 mermaid fins and another group collected 5 mermaid fins. How many mermaid fins in all?
draw a bar model
Answer:→F
0/7 letters found
Clue 5
Fractions of a number — the last clue
We took a fraction of the total locker room passes to narrow down the final set of evidence files.
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
1/2 of 4 = ?
1/10 of 10 = ?
1/6 of 18 = ?
7/10 of 10 = ?
2/10 of 20 = ?
1/6 of 66 = ?
1/4 of 20 = ?
3/8 of 32 = ?
5/6 of 12 = ?
1/3 of 27 = ?
4/5 of 10 = ?
Step 2 — cross out the sentence with each answer
1.The villain warped pixels to bypass the defense, then lacing up sparkle boots.
2.The villain warped pixels to bypass the defense, then wearing a whiskered mask.
3.The villain spun around with a mermaid tail, then lacing up sparkle boots.
4.The villain warped pixels to bypass the defense, then adjusting a shiny coral crown.
5.The villain warped pixels to bypass the defense, then blocking shots with a glitter shield.
6.The villain spun around with a mermaid tail, then wearing a whiskered mask.
7.The villain warped pixels to bypass the defense, then glowing with a neon horn.
8.The villain dashed turbo fast across the field, then glowing with a neon horn.
9.The villain dashed turbo fast across the field, then adjusting a shiny coral crown.
10.The villain dashed turbo fast across the field, then blocking shots with a glitter shield.
11.The villain spun around with a mermaid tail, then glowing with a neon horn.
12.The villain spun around with a mermaid tail, then adjusting a shiny coral crown.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Rainbow Reef Cup Mystery
Culprit: Sophia Smith (Tail Spin · Whiskered Mask · Right Footed · Purple Fins · Laser Pointers)
- Clue 1 (Skip counting): "THE VILLAIN DOES NOT WEAR A GLITTER SHIELD"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36 = 30 (T) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60 = 40 (G) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (D) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (V) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (A) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80 = 60 (R) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (N) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22 = 18 (H)
- Clue 2 (Place value): "THE STRIKER IS RIGHT FOOTED"What is the value of the 5 in 359? = 50 (T) · What is the value of the 4 in 8,430? = 400 (G) · What is the value of the 7 in 7,806? = 7000 (S) · What is the value of the 7 in 5,074? = 70 (F) · What is the value of the 5 in 5,338? = 5000 (H) · What is the value of the 1 in 717? = 10 (E) · What is the value of the 6 in 699? = 600 (D) · What is the value of the 6 in 561? = 60 (K) · What is the value of the 9 in 29,727? = 9000 (R) · What is the value of the 9 in 965? = 900 (O) · What is the value of the 3 in 369? = 300 (I)
- Clue 3 (Multi-step word problems): "LASER POINTERS"There were 358 pixel soccer balls in all. 28 pixel soccer balls were set aside. The rest were shared equally among 10 Rainbow Reef FC. How many pixel soccer balls did each get? = 33 (L) · Coach Whiskers earned 2 unicorn badges in each of 6 rounds, plus 23 bonus unicorn badges. Then 14 unicorn badges were lost. How many unicorn badges are left? = 21 (E) · There were 166 glitter trophies in all. 38 glitter trophies were set aside. The rest were shared equally among 4 Rainbow Reef FC. How many glitter trophies did each get? = 32 (P) · Coach Whiskers collected 26 pixel soccer balls in the morning and 66 pixel soccer balls in the afternoon, then split them equally among 4 Rainbow Reef FC. How many pixel soccer balls did each get? = 23 (S) · Coach Whiskers collected 18 unicorn badges in the morning and 18 unicorn badges in the afternoon, then split them equally among 4 Rainbow Reef FC. How many unicorn badges did each get? = 9 (A) · Coach Whiskers collected 39 cat bells in the morning and 25 cat bells in the afternoon, then split them equally among 4 Rainbow Reef FC. How many cat bells did each get? = 16 (R) · There were 166 pixel soccer balls in all. 2 Rainbow Reef FC used 29 pixel soccer balls each. The other 6 Rainbow Reef FC shared the rest equally. How many pixel soccer balls did each of the other Rainbow Reef FC get? = 18 (O)
- Clue 4 (Bar model word problems): "PURPLE FINS"Coach Whiskers shares 42 cat bells equally among 2 teams. How many cat bells does each team get? = 21 (P) · Coach Whiskers has 3 times as many pixel soccer balls as a teammate. The teammate has 10 pixel soccer balls. How many pixel soccer balls does Coach Whiskers have? = 30 (E) · Coach Whiskers has 5 times as many cat bells as a teammate. The teammate has 5 cat bells. How many cat bells does Coach Whiskers have? = 25 (R) · The red team has 42 glitter trophies and the blue team has 5 glitter trophies. How many more glitter trophies does the red team have? = 37 (U) · Coach Whiskers has 11 times as many mermaid fins as a teammate. The teammate has 3 mermaid fins. How many mermaid fins does Coach Whiskers have? = 33 (L) · There were 47 pixel soccer balls in all. 18 pixel soccer balls were used. How many pixel soccer balls are left? = 29 (I) · One group collected 2 mermaid fins and another group collected 5 mermaid fins. How many mermaid fins in all? = 7 (F)
- Clue 5 (Fractions of a number): surviving statement (box 6) → Sophia Smith1/2 of 4 = 2 · 1/10 of 10 = 1 · 1/6 of 18 = 3 · 7/10 of 10 = 7 · 2/10 of 20 = 4 · 1/6 of 66 = 11 · 1/4 of 20 = 5 · 3/8 of 32 = 12 · 5/6 of 12 = 10 · 1/3 of 27 = 9 · 4/5 of 10 = 8
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Skip counting, Place value, Multi-step word problems, Bar models, Fractions of a number
- Reading level
- grades 3-4
- Theme
- The Great Rainbow Reef Cup Mystery — set in Rainbow Reef Arena
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects