Math Mysteries
🔎 BAKEING!!!!!!!!!!!!!!!!!!!!!Grade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Great Baking Swindle

The Grand Bakery Championship is in total chaos! Someone broke into the pantry and swapped the sugar with salt right before the final bake-off. The Golden Rolling Pin has been hidden! We must help Detective Croissant solve the clues and find the messy baker who did this.

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 bakeSecret ingredientOven mitt handFlour dustingBaking blunder
Rachel RayGlazed donutSweet vanillaLeft handed scooperCocoa powdered hairSoggy bottom
Prue LeithFrosted cupcakeZesty lemonLeft handed scooperFlour dusted hairSoggy bottom
Mary BerryGlazed donutMatcha powderRight handed scooperSugar frosted hairBurnt crust
Paul HollywoodBlueberry tartZesty lemonLeft handed scooperFlour dusted hairBurnt crust
Marco Pierre WhiteGlazed donutSalted caramelRight handed scooperSugar frosted hairToo much salt
Guy FieriGlazed donutMatcha powderRight handed scooperCocoa powdered hairSoggy bottom
Jamie OliverBlueberry tartSweet vanillaRight handed scooperCocoa powdered hairSoggy bottom
Wolfgang PuckTriple chocolate cakeSalted caramelRight handed scooperFlour dusted hairBurnt crust
Ina GartenTriple chocolate cakeSpicy cinnamonLeft handed scooperCocoa powdered hairBurnt crust
Duff GoldmanGlazed donutMatcha powderRight handed scooperCocoa powdered hairToo much salt
Giada De LaurentiisGlazed donutSalted caramelRight handed scooperSugar frosted hairSoggy bottom
Alton BrownFrosted cupcakeSalted caramelLeft handed scooperSugar frosted hairSoggy bottom
Buddy ValastroStrawberry sconeZesty lemonRight handed scooperSugar frosted hairBurnt crust
Emeril LagasseTriple chocolate cakeSalted caramelRight handed scooperCocoa powdered hairSoggy bottom
Alice WatersTriple chocolate cakeMatcha powderRight handed scooperSugar frosted hairSoggy bottom
Roy ChoiTriple chocolate cakeSweet vanillaRight handed scooperSugar frosted hairBurnt crust
Nigella LawsonStrawberry sconeMatcha powderRight handed scooperSugar frosted hairBurnt crust
Christina TosiGlazed donutMatcha powderLeft handed scooperFlour dusted hairBurnt crust
Jacques PepinStrawberry sconeZesty lemonRight handed scooperCocoa powdered hairSoggy bottom
Bobby FlayBlueberry tartZesty lemonRight handed scooperSugar frosted hairSoggy bottom
Gordon RamsayFrosted cupcakeSweet vanillaRight handed scooperCocoa powdered hairSoggy bottom
Clue 1

Rounding

The pantry scale only shows weights rounded to the nearest ten. We need to round the flour weight to unlock 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
9000
2300
900
200
430
90
90
4300
430
1700
2000
30
900
700
1700
30
T
9000
5000
700
900
500
900
700
T
9000
1100
90
900
2900
30
1700
Round 9,120 to the nearest thousandT
Round 2,019 to the nearest thousandD
Round 903 to the nearest hundredE
Round 94 to the nearest tenL
Round 30 to the nearest tenO
Round 4,336 to the nearest hundredA
Round 167 to the nearest hundredV
Round 5,215 to the nearest thousandU
Round 2,877 to the nearest hundredM
Round 703 to the nearest hundredS
Round 2,313 to the nearest hundredH
Round 432 to the nearest tenI
Round 1,707 to the nearest hundredN
Round 501 to the nearest hundredZ
Round 1,084 to the nearest hundredY
0/15 letters found
Clue 2

Addition

We found two piles of spilled sprinkles. Adding them together reveals the second 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
6670
9422
3679
8539
5277
9721
9721
9325
5277
2361
3971
2815
2991
2991
6525
3971
9124
5277
T
6670
9422
T
6670
9422
3679
5785
5277
4359
9422
T
6670
9422
9325
2361
3962
2706 + 3964 =T
1172 + 1819 =O
3291 + 1986 =I
5435 + 3987 =H
2722 + 3063 =R
1859 + 2500 =G
4156 + 4383 =V
1321 + 2358 =E
1648 + 713 =N
1931 + 884 =C
3013 + 6111 =W
6541 + 3180 =L
2359 + 1603 =D
2042 + 1929 =S
4483 + 2042 =P
6101 + 3224 =A
0/16 letters found
Clue 3

Subtraction

The thief stole some chocolate chips from a giant bag. Subtracting the leftover chips gives us our third 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
6163
5621
6107
1100
5259
4952
4952
2543
5259
6751
5621
2543
2593
2593
4509
5233
5233
6729
8428
4509
T
6163
T
6163
4509
8424
2593
7080 - 917 =T
7294 - 2785 =O
6373 - 3830 =A
11227 - 2803 =M
6867 - 1634 =G
4566 - 1973 =S
5618 - 359 =I
7142 - 413 =Y
13175 - 4747 =B
7142 - 2190 =L
8709 - 3088 =H
11716 - 4965 =N
7716 - 1609 =E
2115 - 1015 =V
0/14 letters found
Clue 4

Multiplication facts (1-12)

The cookie trays are lined up in equal rows. Multiplying the rows tells us how many cookies are missing and unlocks the fourth 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
80
24
30
77
66
14
14
6
66
18
24
6
44
22
25
22
25
6
121
25
36
4
30
64
30
4
24
6
66
64
10 × 8 =T
11 × 4 =S
5 × 6 =E
6 × 3 =N
6 × 4 =H
11 × 11 =P
1 × 4 =D
6 × 6 =W
3 × 2 =A
8 × 8 =R
6 × 11 =I
5 × 5 =O
11 × 7 =V
11 × 2 =C
7 × 2 =L
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

We have a pile of donuts to share equally among the judges. Dividing them up gives us the final clue!

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
6 ÷ 2 = ?
10 ÷ 2 = ?
96 ÷ 12 = ?
4 ÷ 4 = ?
27 ÷ 3 = ?
30 ÷ 5 = ?
40 ÷ 4 = ?
44 ÷ 4 = ?
49 ÷ 7 = ?
108 ÷ 9 = ?
44 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain crafted a huge blueberry tart, then drizzled salted caramel over it.
2.The villain baked a giant triple chocolate cake, then drizzled salted caramel over it.
3.The villain crafted a huge blueberry tart, then stirred in sweet vanilla.
4.The villain baked a giant triple chocolate cake, then stirred in sweet vanilla.
5.The villain fried a golden glazed donut, then folded in matcha powder.
6.The villain fried a golden glazed donut, then sprinkled spicy cinnamon everywhere.
7.The villain crafted a huge blueberry tart, then grated zesty lemon peels.
8.The villain decorated a frosted cupcake, then stirred in sweet vanilla.
9.The villain decorated a frosted cupcake, then drizzled salted caramel over it.
10.The villain baked a giant triple chocolate cake, then folded in matcha powder.
11.The villain crafted a huge blueberry tart, then sprinkled spicy cinnamon everywhere.
12.The villain crafted a huge blueberry tart, then folded in matcha powder.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Rounding, Addition, Subtraction, Multiplication, Division
Reading level
grades 3-4
Theme
The Great Baking Swindle — set in The Grand Bakery Championship
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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