🔎 Make funny names with Ryan DGrade 10Reading: grades 7-9Pythagorean theoremBar modelsMulti-step word problemsWord problemsMissing addends
The Great Burger Palace Heist
Someone infiltrated the Royal Burger Kitchen and made off with the Golden Recipe Scroll! The thief left behind grease prints, strange tools, and plenty of clues. Analyze the kitchen data to eliminate suspects and catch the culprit before dinner service.
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 | Primary Gadget | Backup Disguise | Dominant Hand | Wig Color | Food Allergy |
|---|---|---|---|---|---|
| Sir Ryan McFly | Fryer Drone | Paper Mascot Mask | Right Handed | Dark Brown | Garlic Powder |
| Emperor Roman | Spatula Cannon | Cardboard Crown | Left Handed | Golden Blonde | Garlic Powder |
| Duke Ryan Romanov | Pickle Launcher | Velvet Cape | Left Handed | Golden Blonde | Pickle Juice |
| Ryan Supreme | Saddle Slinger | Cardboard Crown | Left Handed | Golden Blonde | Pickle Juice |
| Roman Candle Ryan | Ketchup Blaster | Chef Apron | Right Handed | Golden Blonde | Mustard Gas |
| Ryan McDonnie | Ketchup Blaster | Paper Mascot Mask | Left Handed | Dark Brown | Pickle Juice |
| Roman Rains | Spatula Cannon | Chef Apron | Left Handed | Golden Blonde | Pickle Juice |
| Donnie Doughnut | Saddle Slinger | Paper Mascot Mask | Right Handed | Dark Brown | Mustard Gas |
| Donnie McCheese | Pickle Launcher | Velvet Cape | Left Handed | Dark Brown | Garlic Powder |
| Donnie Fries | Spatula Cannon | Cardboard Crown | Right Handed | Flame Red | Mustard Gas |
| Ryan McCafe | Pickle Launcher | Paper Mascot Mask | Left Handed | Golden Blonde | Pickle Juice |
| Donnie McDonalds | Fryer Drone | Cardboard Crown | Left Handed | Dark Brown | Mustard Gas |
| King Roman II | Saddle Slinger | Chef Apron | Left Handed | Flame Red | Mustard Gas |
| McDonnie the Great | Fryer Drone | Chef Apron | Left Handed | Golden Blonde | Garlic Powder |
| Donnie Royale | Ketchup Blaster | Cardboard Crown | Left Handed | Flame Red | Pickle Juice |
| Roman Noodles | Pickle Launcher | Cardboard Crown | Left Handed | Golden Blonde | Pickle Juice |
| Roman Empire Donnie | Fryer Drone | Chef Apron | Right Handed | Golden Blonde | Garlic Powder |
| Ryan O Donnie | Saddle Slinger | Velvet Cape | Left Handed | Golden Blonde | Garlic Powder |
| Sir Roman the Third | Pickle Launcher | Foil Wrapper | Right Handed | Flame Red | Garlic Powder |
| Donnie McSwag | Spatula Cannon | Cardboard Crown | Left Handed | Golden Blonde | Mustard Gas |
| Prince Donnie McDuck | Pickle Launcher | Chef Apron | Right Handed | Golden Blonde | Pickle Juice |
Clue 1
Pythagorean theorem
To start the investigation, solve these menu order problems to organize the kitchen logs.
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
5
15
50
52
111
40
40
65
111
26
75
74
50
68
26
74
T
5
34
50
65
20
65
52
50
40
52
50
T
5
30
65
123
50
legs 3 and 4, hypotenuse =T
legs 24 and 32, hypotenuse =L
legs 20 and 48, hypotenuse =V
legs 32 and 60, hypotenuse =S
legs 30 and 40, hypotenuse =E
legs 36 and 105, hypotenuse =I
legs 16 and 30, hypotenuse =W
legs 18 and 24, hypotenuse =C
legs 24 and 70, hypotenuse =O
legs 25 and 60, hypotenuse =A
legs 9 and 12, hypotenuse =H
legs 27 and 120, hypotenuse =P
legs 12 and 16, hypotenuse =R
legs 21 and 72, hypotenuse =D
legs 10 and 24, hypotenuse =N
0/15 letters found
Clue 2
Bar model word problems
Next, compare the sales distribution bar models to pinpoint where the intruder breached security.
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.
Awitnesssawthevillainwas .
L
95
37
116
83
138
109
84
D
37
D
McDonnie used 2/5 of the sodas on the first day. The other 57 sodas were used the next day. How many sodas were there in all?
draw a bar model
Answer:→L
One group collected 55 sundaes and another group collected 54 sundaes. How many sundaes in all?
draw a bar model
Answer:→A
One group collected 11 sodas and another group collected 72 sodas. How many sodas in all?
draw a bar model
Answer:→T
There were 44 fries in all. 7 fries were used. How many fries are left?
draw a bar model
Answer:→E
There were 141 fries in all. 25 fries were used. How many fries are left?
draw a bar model
Answer:→F
McDonnie has 7 times as many fries as a teammate. The teammate has 12 fries. How many fries does McDonnie have?
draw a bar model
Answer:→N
There were 153 sundaes in all. 15 sundaes were used. How many sundaes are left?
draw a bar model
Answer:→H
0/7 letters found
Clue 3
Multi-step word problems
Work through these multi step inventory calculations to track down the stolen recipe vault keys.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Someonescaredthevillainoffwith .
P
84
10
39
77
53
40
26
U
10
39
40
McDonnie collected 339 sundaes in the morning and 81 sundaes in the afternoon, then split them equally among 5 Kitchen Crew. How many sundaes did each get?P
McDonnie collected 3 sundaes in the morning and 17 sundaes in the afternoon, then split them equally among 2 Kitchen Crew. How many sundaes did each get?I
McDonnie earned 2 sundaes in each of 5 rounds, plus 54 bonus sundaes. Then 11 sundaes were lost. How many sundaes are left?L
McDonnie collected 266 nuggets in the morning and 196 nuggets in the afternoon, then split them equally among 6 Kitchen Crew. How many nuggets did each get?K
McDonnie earned 8 sodas in each of 3 rounds, plus 18 bonus sodas. Then 3 sodas were lost. How many sodas are left?C
McDonnie earned 5 sodas in each of 6 rounds, plus 20 bonus sodas. Then 10 sodas were lost. How many sodas are left?E
McDonnie earned 5 nuggets in each of 4 rounds, plus 14 bonus nuggets. Then 8 nuggets were lost. How many nuggets are left?J
0/7 letters found
Clue 4
Word problems
Calculate the shortest diagonal escape vector using the Pythagorean theorem to intercept the thief.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Astrandofhairturnedupatthescene.
G
118
46
29
39
81
42
47
29
46
42
39
81
McDonnie found 51 sundaes yesterday and 67 more today. How many sundaes in all?G
There were 71 burgers. 32 were used up. How many burgers are left?D
McDonnie found 11 fries yesterday and 35 more today. How many fries in all?O
McDonnie found 37 sodas yesterday and 10 more today. How many sodas in all?B
There were 51 burgers. 22 were used up. How many burgers are left?L
McDonnie lined up 7 rows of 6 sodas. How many sodas in all?N
McDonnie lined up 9 rows of 9 sodas. How many sodas in all?E
0/7 letters found
Clue 5
Missing addends — the last clue
Complete these missing addend equations to decode the final lock code on the suspect diary.
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
30 + ___ = 35
10 + ___ = 21
12 + ___ = 21
11 + ___ = 13
14 + ___ = 26
4 + ___ = 8
10 + ___ = 11
6 + ___ = 16
40 + ___ = 47
3 + ___ = 11
33 + ___ = 36
Step 2 — cross out the sentence with each answer
1.The villain deployed a fryer drone, then wrapped in foil.
2.The villain fired a spatula cannon, then draped a velvet cape.
3.The villain launched pickles, then draped a velvet cape.
4.The villain deployed a fryer drone, then donned a cardboard crown.
5.The villain swung a saddle slinger, then donned a cardboard crown.
6.The villain launched pickles, then put on a mascot mask.
7.The villain swung a saddle slinger, then draped a velvet cape.
8.The villain launched pickles, then wrapped in foil.
9.The villain fired a spatula cannon, then tied a chef apron.
10.The villain blasted ketchup, then put on a mascot mask.
11.The villain launched pickles, then donned a cardboard crown.
12.The villain blasted ketchup, then tied a chef apron.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Burger Palace Heist
Culprit: Ryan McCafe (Pickle Launcher · Paper Mascot Mask · Left Handed · Golden Blonde · Pickle Juice)
- Clue 1 (Pythagorean theorem): "THE VILLAIN DOES NOT WEAR A VELVET CAPE"legs 3 and 4, hypotenuse = 5 (T) · legs 24 and 32, hypotenuse = 40 (L) · legs 20 and 48, hypotenuse = 52 (V) · legs 32 and 60, hypotenuse = 68 (S) · legs 30 and 40, hypotenuse = 50 (E) · legs 36 and 105, hypotenuse = 111 (I) · legs 16 and 30, hypotenuse = 34 (W) · legs 18 and 24, hypotenuse = 30 (C) · legs 24 and 70, hypotenuse = 74 (O) · legs 25 and 60, hypotenuse = 65 (A) · legs 9 and 12, hypotenuse = 15 (H) · legs 27 and 120, hypotenuse = 123 (P) · legs 12 and 16, hypotenuse = 20 (R) · legs 21 and 72, hypotenuse = 75 (D) · legs 10 and 24, hypotenuse = 26 (N)
- Clue 2 (Bar model word problems): "LEFT HANDED"McDonnie used 2/5 of the sodas on the first day. The other 57 sodas were used the next day. How many sodas were there in all? = 95 (L) · One group collected 55 sundaes and another group collected 54 sundaes. How many sundaes in all? = 109 (A) · One group collected 11 sodas and another group collected 72 sodas. How many sodas in all? = 83 (T) · There were 44 fries in all. 7 fries were used. How many fries are left? = 37 (E) · There were 141 fries in all. 25 fries were used. How many fries are left? = 116 (F) · McDonnie has 7 times as many fries as a teammate. The teammate has 12 fries. How many fries does McDonnie have? = 84 (N) · There were 153 sundaes in all. 15 sundaes were used. How many sundaes are left? = 138 (H)
- Clue 3 (Multi-step word problems): "PICKLE JUICE"McDonnie collected 339 sundaes in the morning and 81 sundaes in the afternoon, then split them equally among 5 Kitchen Crew. How many sundaes did each get? = 84 (P) · McDonnie collected 3 sundaes in the morning and 17 sundaes in the afternoon, then split them equally among 2 Kitchen Crew. How many sundaes did each get? = 10 (I) · McDonnie earned 2 sundaes in each of 5 rounds, plus 54 bonus sundaes. Then 11 sundaes were lost. How many sundaes are left? = 53 (L) · McDonnie collected 266 nuggets in the morning and 196 nuggets in the afternoon, then split them equally among 6 Kitchen Crew. How many nuggets did each get? = 77 (K) · McDonnie earned 8 sodas in each of 3 rounds, plus 18 bonus sodas. Then 3 sodas were lost. How many sodas are left? = 39 (C) · McDonnie earned 5 sodas in each of 6 rounds, plus 20 bonus sodas. Then 10 sodas were lost. How many sodas are left? = 40 (E) · McDonnie earned 5 nuggets in each of 4 rounds, plus 14 bonus nuggets. Then 8 nuggets were lost. How many nuggets are left? = 26 (J)
- Clue 4 (Word problems): "GOLDEN BLONDE"McDonnie found 51 sundaes yesterday and 67 more today. How many sundaes in all? = 118 (G) · There were 71 burgers. 32 were used up. How many burgers are left? = 39 (D) · McDonnie found 11 fries yesterday and 35 more today. How many fries in all? = 46 (O) · McDonnie found 37 sodas yesterday and 10 more today. How many sodas in all? = 47 (B) · There were 51 burgers. 22 were used up. How many burgers are left? = 29 (L) · McDonnie lined up 7 rows of 6 sodas. How many sodas in all? = 42 (N) · McDonnie lined up 9 rows of 9 sodas. How many sodas in all? = 81 (E)
- Clue 5 (Missing addends): surviving statement (box 6) → Ryan McCafe30 + ___ = 35 = 5 · 10 + ___ = 21 = 11 · 12 + ___ = 21 = 9 · 11 + ___ = 13 = 2 · 14 + ___ = 26 = 12 · 4 + ___ = 8 = 4 · 10 + ___ = 11 = 1 · 6 + ___ = 16 = 10 · 40 + ___ = 47 = 7 · 3 + ___ = 11 = 8 · 33 + ___ = 36 = 3
About this mystery
- Grade level
- Grade 10 math
- Math topics
- Pythagorean theorem, Bar models, Multi-step word problems, Word problems, Missing addends
- Reading level
- grades 7-9
- Theme
- The Great Burger Palace Heist — set in The Burger Kingdom Castle
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects