🔎 Donnie Jr King Roman ll and Grade 10Reading: grades 7-9Pythagorean theoremWord problemsMulti-step word problemsBar modelsMissing addends
The Case of the Missing Golden Crust
The legendary Golden Crown Crust has been stolen right from the palace stone oven! Analyze the clues and complete the puzzle to find out which suspect committed the royal crime.
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 | Kitchen Power | Escape Skill | Hand Dominance | Hair Color | Secret Weakness |
|---|---|---|---|---|---|
| Donnie Romanus | Garlic Shield | Basil Sprint | Right Handed | Red Hair | Fresh Oregano |
| King Roman II | Sauce Blast | Olive Blast | Left Handed | Red Hair | Fresh Oregano |
| Count Roman | Cheese Zap | Tomato Surfing | Left Handed | Black Hair | Fresh Oregano |
| Roman Donnie Jr | Dough Knead | Mushroom Glide | Right Handed | Red Hair | Fresh Oregano |
| Roman Donnybrook | Cheese Zap | Pepperoni Dash | Right Handed | Red Hair | Pineapple Slices |
| Donnie Jr | Garlic Shield | Olive Blast | Right Handed | Black Hair | Ice Water |
| Prince Donnie | Cheese Zap | Tomato Surfing | Right Handed | Red Hair | Pineapple Slices |
| Donnie DeRoman | Garlic Shield | Mushroom Glide | Right Handed | Black Hair | Fresh Oregano |
| Romanov Donnie | Dough Knead | Tomato Surfing | Right Handed | Red Hair | Fresh Oregano |
| Emperor Don | Garlic Shield | Tomato Surfing | Right Handed | Black Hair | Ice Water |
| Baron Roman | Dough Knead | Basil Sprint | Left Handed | Black Hair | Ice Water |
| Roman the Don | Sauce Blast | Tomato Surfing | Right Handed | Red Hair | Ice Water |
| Donnie Rex | Cheese Zap | Pepperoni Dash | Left Handed | Red Hair | Fresh Oregano |
| Donnie Romanoff | Garlic Shield | Tomato Surfing | Left Handed | Red Hair | Ice Water |
| Donnie McDonald | Garlic Shield | Olive Blast | Right Handed | Blonde Hair | Ice Water |
| Duke Donnie | Dough Knead | Olive Blast | Left Handed | Red Hair | Pineapple Slices |
| Roman Donnie | Pizza Toss | Mushroom Glide | Right Handed | Blonde Hair | Ice Water |
| Roman O Donnie | Pizza Toss | Mushroom Glide | Right Handed | Red Hair | Fresh Oregano |
| Don Roman | Dough Knead | Mushroom Glide | Right Handed | Blonde Hair | Pineapple Slices |
| Donnie the Great | Cheese Zap | Basil Sprint | Left Handed | Blonde Hair | Fresh Oregano |
| Donnie King | Pizza Toss | Olive Blast | Right Handed | Red Hair | Fresh Oregano |
Clue 1
Pythagorean theorem
We compared dough block lengths using bar models to track the escape 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.
T
52
5
74
82
15
30
30
37
15
125
75
85
74
111
125
85
T
52
17
111
74
85
30
15
82
74
20
30
37
111
T
52
legs 20 and 48, hypotenuse =T
legs 21 and 72, hypotenuse =D
legs 9 and 12, hypotenuse =I
legs 3 and 4, hypotenuse =H
legs 36 and 105, hypotenuse =S
legs 35 and 120, hypotenuse =N
legs 12 and 35, hypotenuse =A
legs 24 and 70, hypotenuse =E
legs 40 and 75, hypotenuse =O
legs 8 and 15, hypotenuse =U
legs 18 and 80, hypotenuse =V
legs 18 and 24, hypotenuse =L
legs 12 and 16, hypotenuse =B
0/13 letters found
Clue 2
Word problems
Next we solved word problems about royal pizza deliveries to decrypt the kitchen log.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
R
78
24
33
106
80
106
79
64
D
E
D
Baker Donnie found 59 cannolis yesterday and 19 more today. How many cannolis in all?R
Baker Donnie lined up 8 rows of 3 calzones. How many calzones in all?I
There were 65 cannolis. 32 were used up. How many cannolis are left?G
There were 87 calzones. 7 were used up. How many calzones are left?T
Baker Donnie found 69 pizzas yesterday and 10 more today. How many pizzas in all?A
Baker Donnie found 2 pizzas yesterday and 62 more today. How many pizzas in all?N
Baker Donnie found 80 garlic knots yesterday and 26 more today. How many garlic knots in all?H
0/7 letters found
Clue 3
Multi-step word problems
We then tackled multi-step word problems regarding recipe prep to reveal a hidden code.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
F
42
30
35
31
59
15
30
35
6
A
N
15
Baker Donnie earned 3 calzones in each of 6 rounds, plus 39 bonus calzones. Then 15 calzones were lost. How many calzones are left?F
Baker Donnie earned 5 pizzas in each of 3 rounds, plus 28 bonus pizzas. Then 8 pizzas were lost. How many pizzas are left?E
Baker Donnie filled 8 boxes with 7 calzones each, then found 3 more calzones. How many calzones are there in all?H
There were 308 calzones in all. 38 calzones were set aside. The rest were shared equally among 9 The Royal Culinary Squad. How many calzones did each get?R
There were 293 garlic knots in all. 14 garlic knots were set aside. The rest were shared equally among 9 The Royal Culinary Squad. How many garlic knots did each get?S
There were 110 pizzas in all. 2 The Royal Culinary Squad used 40 pizzas each. The other 2 The Royal Culinary Squad shared the rest equally. How many pizzas did each of the other The Royal Culinary Squad get?O
Baker Donnie collected 7 cannolis in the morning and 23 cannolis in the afternoon, then split them equally among 5 The Royal Culinary Squad. How many cannolis did each get?G
0/7 letters found
Clue 4
Bar model word problems
Using the Pythagorean theorem, we calculated the diagonal ladder path across the pantry wall.
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.
Astrandofhairturnedupatthescene.
R
64
30
94
135
109
15
R
64
There were 88 breadsticks in all. 24 breadsticks were used. How many breadsticks are left?
draw a bar model
Answer:→R
There were 138 garlic knots in all. 3 garlic knots were used. How many garlic knots are left?
draw a bar model
Answer:→H
Baker Donnie has 218 pizzas, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→A
Baker Donnie has 180 garlic knots, packed 12 to a bag. How many bags can be filled?
draw a bar model
Answer:→I
One group collected 20 pizzas and another group collected 10 pizzas. How many pizzas in all?
draw a bar model
Answer:→E
There were 122 calzones in all. 28 calzones were used. How many calzones are left?
draw a bar model
Answer:→D
0/6 letters found
Clue 5
Missing addends — the last clue
Finally we solved missing addend equations to balance the oven temperature logs.
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
12 + ___ = 13
7 + ___ = 12
33 + ___ = 40
20 + ___ = 29
16 + ___ = 18
22 + ___ = 30
20 + ___ = 24
4 + ___ = 15
34 + ___ = 40
37 + ___ = 47
6 + ___ = 18
Step 2 — cross out the sentence with each answer
1.The villain activated garlic shield, then zoomed away with basil sprint.
2.The villain performed a pizza toss, then used pepperoni dash.
3.The villain performed a pizza toss, then engaged mushroom glide.
4.The villain launched a sauce blast, then executed olive blast.
5.The villain used dough knead, then engaged mushroom glide.
6.The villain triggered a cheese zap, then activated tomato surfing.
7.The villain used dough knead, then activated tomato surfing.
8.The villain used dough knead, then executed olive blast.
9.The villain activated garlic shield, then used pepperoni dash.
10.The villain launched a sauce blast, then used pepperoni dash.
11.The villain activated garlic shield, then executed olive blast.
12.The villain performed a pizza toss, then executed olive blast.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Golden Crust
Culprit: Roman O Donnie (Pizza Toss · Mushroom Glide · Right Handed · Red Hair · Fresh Oregano)
- Clue 1 (Pythagorean theorem): "THE VILLAIN DOES NOT USE OLIVE BLAST"legs 20 and 48, hypotenuse = 52 (T) · legs 21 and 72, hypotenuse = 75 (D) · legs 9 and 12, hypotenuse = 15 (I) · legs 3 and 4, hypotenuse = 5 (H) · legs 36 and 105, hypotenuse = 111 (S) · legs 35 and 120, hypotenuse = 125 (N) · legs 12 and 35, hypotenuse = 37 (A) · legs 24 and 70, hypotenuse = 74 (E) · legs 40 and 75, hypotenuse = 85 (O) · legs 8 and 15, hypotenuse = 17 (U) · legs 18 and 80, hypotenuse = 82 (V) · legs 18 and 24, hypotenuse = 30 (L) · legs 12 and 16, hypotenuse = 20 (B)
- Clue 2 (Word problems): "RIGHT HANDED"Baker Donnie found 59 cannolis yesterday and 19 more today. How many cannolis in all? = 78 (R) · Baker Donnie lined up 8 rows of 3 calzones. How many calzones in all? = 24 (I) · There were 65 cannolis. 32 were used up. How many cannolis are left? = 33 (G) · There were 87 calzones. 7 were used up. How many calzones are left? = 80 (T) · Baker Donnie found 69 pizzas yesterday and 10 more today. How many pizzas in all? = 79 (A) · Baker Donnie found 2 pizzas yesterday and 62 more today. How many pizzas in all? = 64 (N) · Baker Donnie found 80 garlic knots yesterday and 26 more today. How many garlic knots in all? = 106 (H)
- Clue 3 (Multi-step word problems): "FRESH OREGANO"Baker Donnie earned 3 calzones in each of 6 rounds, plus 39 bonus calzones. Then 15 calzones were lost. How many calzones are left? = 42 (F) · Baker Donnie earned 5 pizzas in each of 3 rounds, plus 28 bonus pizzas. Then 8 pizzas were lost. How many pizzas are left? = 35 (E) · Baker Donnie filled 8 boxes with 7 calzones each, then found 3 more calzones. How many calzones are there in all? = 59 (H) · There were 308 calzones in all. 38 calzones were set aside. The rest were shared equally among 9 The Royal Culinary Squad. How many calzones did each get? = 30 (R) · There were 293 garlic knots in all. 14 garlic knots were set aside. The rest were shared equally among 9 The Royal Culinary Squad. How many garlic knots did each get? = 31 (S) · There were 110 pizzas in all. 2 The Royal Culinary Squad used 40 pizzas each. The other 2 The Royal Culinary Squad shared the rest equally. How many pizzas did each of the other The Royal Culinary Squad get? = 15 (O) · Baker Donnie collected 7 cannolis in the morning and 23 cannolis in the afternoon, then split them equally among 5 The Royal Culinary Squad. How many cannolis did each get? = 6 (G)
- Clue 4 (Bar model word problems): "RED HAIR"There were 88 breadsticks in all. 24 breadsticks were used. How many breadsticks are left? = 64 (R) · There were 138 garlic knots in all. 3 garlic knots were used. How many garlic knots are left? = 135 (H) · Baker Donnie has 218 pizzas, packed 2 to a bag. How many bags can be filled? = 109 (A) · Baker Donnie has 180 garlic knots, packed 12 to a bag. How many bags can be filled? = 15 (I) · One group collected 20 pizzas and another group collected 10 pizzas. How many pizzas in all? = 30 (E) · There were 122 calzones in all. 28 calzones were used. How many calzones are left? = 94 (D)
- Clue 5 (Missing addends): surviving statement (box 3) → Roman O Donnie12 + ___ = 13 = 1 · 7 + ___ = 12 = 5 · 33 + ___ = 40 = 7 · 20 + ___ = 29 = 9 · 16 + ___ = 18 = 2 · 22 + ___ = 30 = 8 · 20 + ___ = 24 = 4 · 4 + ___ = 15 = 11 · 34 + ___ = 40 = 6 · 37 + ___ = 47 = 10 · 6 + ___ = 18 = 12
About this mystery
- Grade level
- Grade 10 math
- Math topics
- Pythagorean theorem, Word problems, Multi-step word problems, Bar models, Missing addends
- Reading level
- grades 7-9
- Theme
- The Case of the Missing Golden Crust — set in The Grand Kitchens of Roman Donnie Manor
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects