Math Mysteries
🔎 PizzaGrade 5Reading: grades 5-6MultiplicationRoundingFractions of a numberOrder of operationsDivision

The Great Crustville Crust Caper

The legendary Golden Dough Recipe has been stolen from the academy safe! A shadowy figure was seen slipping through the pantry at midnight, leaving a trail of marinara sauce. We must find the Sauce Saboteur and save the upcoming Crustville Pizza Festival!

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
Namesignature pizza skillspecial pizza gearpizza tossing styleevidence at the sceneknown pizza weakness
Bella BasilDough StretchingGolden PeelLeft-HandedFlour DustyPineapple Pizza
Gina YeastSauce SwirlingGolden PeelLeft-HandedBurnt BrownGarlic Breath
Donna DoughSauce SwirlingSpice ShakerRight-HandedFlour DustySucker for Soda
Olive OilsonSauce SwirlingSpice ShakerLeft-HandedBurnt BrownPineapple Pizza
Gordon GarlicCheese ShreddingCheese MelterLeft-HandedBasil GreenGarlic Breath
Fiona FocacciaSauce SwirlingSpice ShakerLeft-HandedBasil GreenGarlic Breath
Crusty CarlBrick OvensGolden PeelRight-HandedFlour DustyGarlic Breath
Penny ParmigianoCheese ShreddingSpice ShakerLeft-HandedBurnt BrownPineapple Pizza
Bruno BrickovenSpice BlendingSpice ShakerRight-HandedBurnt BrownPineapple Pizza
Sal SourdoughBrick OvensDelivery BikeLeft-HandedBurnt BrownPineapple Pizza
Tony TomatoSpice BlendingCheese MelterLeft-HandedBurnt BrownPineapple Pizza
Chef AlfredoBrick OvensDelivery BikeRight-HandedBurnt BrownSucker for Soda
Cal ZoneBrick OvensDough RollerLeft-HandedBasil GreenPineapple Pizza
Olivia MozzarellaSpice BlendingSpice ShakerLeft-HandedBurnt BrownGarlic Breath
Sammy SliceCheese ShreddingSpice ShakerRight-HandedFlour DustySucker for Soda
Luigi PepperoniDough StretchingDough RollerLeft-HandedBurnt BrownGarlic Breath
Anchovy AndyBrick OvensCheese MelterLeft-HandedFlour DustyPineapple Pizza
Chef MarioSauce SwirlingGolden PeelLeft-HandedBurnt BrownSucker for Soda
Pepper RoniCheese ShreddingDough RollerRight-HandedFlour DustySucker for Soda
Marco MarinaraSpice BlendingSpice ShakerLeft-HandedBurnt BrownPineapple Pizza
Pete PizzaCheese ShreddingDough RollerLeft-HandedBasil GreenPineapple Pizza
Clue 1

Multiplication facts (1-12)

Our young detectives found the suspect's storage room filled with stacks of dough boxes. By counting the boxes in six neat rows of nine, we can unlock the safe that holds 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
48
11
50
T
48
11
15
50
21
70
3
50
77
24
3
T
48
5
15
70
50
36
70
50
132
15
12
50
5
14
120
15
30
50
4 × 12 =T
7 × 2 =Y
7 × 11 =S
5 × 10 =E
3 × 10 =K
4 × 6 =N
1 × 3 =O
12 × 11 =L
7 × 10 =D
1 × 11 =H
6 × 6 =A
5 × 3 =I
7 × 3 =F
12 × 10 =B
1 × 5 =R
12 × 1 =V
0/16 letters found
Clue 2

Rounding

An electric scale in the pantry got damaged during the heist and now rounds every weight to the nearest ten ounces. We need to estimate the weight of the spilled cheese to crack the keypad code.

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

L
370
7000
90
2300
3700
230
700
4300
7000
4300
90
L
370
430
70
1100
5000
900
70
4300
2900
7000
5000
430
700
2300
3700
7000
9000
230
L
370
L
370
Round 374 to the nearest tenL
Round 928 to the nearest hundredM
Round 9,099 to the nearest thousandW
Round 71 to the nearest tenU
Round 93 to the nearest tenF
Round 7,317 to the nearest thousandE
Round 2,262 to the nearest hundredT
Round 3,678 to the nearest hundredH
Round 230 to the nearest tenA
Round 4,583 to the nearest thousandS
Round 1,079 to the nearest hundredR
Round 2,927 to the nearest hundredG
Round 4,303 to the nearest hundredD
Round 426 to the nearest tenO
Round 737 to the nearest hundredN
0/15 letters found
Clue 3

Fractions of a number

The thief got hungry and ate a fraction of a giant pizza left on the prep table. Calculating exactly how many slices are missing from the original twenty-four will give us the next lead.

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
26
25
T
30
26
13
25
31
26
35
T
30
25
18
18
17
25
25
T
30
3
13
4
25
35
3
3
22
25
T
30
28
3
3
13
4
36
3/5 of 50 =T
1/8 of 104 =I
1/8 of 24 =P
1/5 of 85 =W
1/8 of 32 =N
2/10 of 140 =O
1/4 of 140 =A
1/5 of 90 =S
1/6 of 150 =E
2/8 of 124 =F
3/10 of 120 =G
3/6 of 52 =H
4/10 of 55 =L
0/13 letters found
Clue 4

Order of operations

The chef's secret recipe book has a coded math equation for the correct order of mixing flour, yeast, and water. Solved in the correct order, it reveals the password to the suspect's computer.

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

S
77
22
11
51
49
59
59
48
75
37
76
75
80
33
11
34
48
22
75
S
77
24
75
48
11
59
S
77
75
49
23
48
22
11
49
59
12 × 7 - 7 =S
9 + 7 × 4 =K
56 + 4 × 6 =O
1 + 8 × 4 =W
9 × 3 - 3 =T
18 + 2 × 2 =I
7 × 8 - 8 =A
3 × 7 - 10 =N
7 × 11 - 1 =B
8 × 9 - 13 =D
7 × 11 - 26 =G
3 × 9 - 4 =M
61 + 2 × 7 =R
13 + 6 × 6 =E
30 + 2 × 2 =H
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

We found a box of stolen garlic knots dropped on the floor. Splitting the total number of knots equally among the four junior detective teams reveals the final clue about the suspect.

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
88 ÷ 8 = ?
56 ÷ 8 = ?
36 ÷ 4 = ?
15 ÷ 5 = ?
10 ÷ 2 = ?
4 ÷ 1 = ?
20 ÷ 2 = ?
36 ÷ 6 = ?
144 ÷ 12 = ?
20 ÷ 10 = ?
56 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain measures the legendary herb blend, then blasts the lock with a garlic butter gun.
2.The villain shreds a giant block of mozzarella, then rolls the dough flat with a heavy machine.
3.The villain swirls the secret marinara sauce, then grabs the golden peel to scoop the prize.
4.The villain stretches the magical dough, then speeds away on a fast delivery bike.
5.The villain swirls the secret marinara sauce, then speeds away on a fast delivery bike.
6.The villain measures the legendary herb blend, then speeds away on a fast delivery bike.
7.The villain measures the legendary herb blend, then shakes spicy oregano over the crime scene.
8.The villain fires up the ancient brick oven, then blasts the lock with a garlic butter gun.
9.The villain swirls the secret marinara sauce, then shakes spicy oregano over the crime scene.
10.The villain measures the legendary herb blend, then rolls the dough flat with a heavy machine.
11.The villain shreds a giant block of mozzarella, then shakes spicy oregano over the crime scene.
12.The villain fires up the ancient brick oven, then speeds away on a fast delivery bike.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Multiplication, Rounding, Fractions of a number, Order of operations, Division
Reading level
grades 5-6
Theme
The Great Crustville Crust Caper — set in the bustling kitchens of Crustville Pizza Academy
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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The Great Crustville Crust Caper · Grade 5 Math Mystery — Math Mysteries