🌊 Bakeing , MermaidsGrade 4Reading: grades 7-9RoundingAdditionSubtractionMultiplicationDivision
The Great Undersea Bake-Off Sabotage
A disaster has struck the Great Undersea Bake-Off! The legendary Golden Kelp Souffle has been sabotaged just before the judging began. Someone smuggled a batch of sour kelp into the pantries, and the Head Pastry Mermaid needs your help to find the culprit before the coral timers run out.
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 | Baking Specialty | Signature Tool | Mixing Hand | Hair Color | Ingredient Repellent |
|---|---|---|---|---|---|
| Buddy Valastro | shell scaling | pearl timer | right finned mixer | coral pink curls | sour lemon zest |
| Christina Tosi | steam baking | clam shell scale | right finned mixer | seafoam green locks | sour lemon zest |
| Guy Fieri | steam baking | kelp spatula | right finned mixer | coral pink curls | salty brine spray |
| Pearl | sugar sculpting | clam shell scale | left finned mixer | seafoam green locks | salty brine spray |
| Mary Berry | bubble whisking | clam shell scale | left finned mixer | kelp brown braids | salty brine spray |
| Sandy | shell scaling | pearl timer | left finned mixer | coral pink curls | burnt cocoa powder |
| Bobby Flay | bubble whisking | kelp spatula | right finned mixer | seafoam green locks | burnt cocoa powder |
| Duff Goldman | steam baking | clam shell scale | right finned mixer | coral pink curls | burnt cocoa powder |
| Ariel | bubble whisking | clam shell scale | right finned mixer | seafoam green locks | sour lemon zest |
| Melody | steam baking | pearl timer | left finned mixer | seafoam green locks | sour lemon zest |
| Emeril | shell scaling | kelp spatula | right finned mixer | seafoam green locks | salty brine spray |
| Delphine | bubble whisking | sea glass whisk | right finned mixer | seafoam green locks | salty brine spray |
| Martha Stewart | shell scaling | coral rolling pin | left finned mixer | coral pink curls | burnt cocoa powder |
| Gordon Ramsay | sugar sculpting | pearl timer | right finned mixer | kelp brown braids | burnt cocoa powder |
| Jacques Pepin | shell scaling | coral rolling pin | right finned mixer | seafoam green locks | salty brine spray |
| Marina | kelp frosting | kelp spatula | right finned mixer | seafoam green locks | sour lemon zest |
| Shelly | bubble whisking | pearl timer | right finned mixer | seafoam green locks | sour lemon zest |
| Prue Leith | sugar sculpting | sea glass whisk | right finned mixer | coral pink curls | burnt cocoa powder |
| Nigella | bubble whisking | sea glass whisk | right finned mixer | coral pink curls | salty brine spray |
| Coralia | kelp frosting | kelp spatula | right finned mixer | coral pink curls | salty brine spray |
| Oceana | kelp frosting | clam shell scale | right finned mixer | seafoam green locks | sour lemon zest |
Clue 1
Rounding
The kitchen's automated flour scale was damaged and could only output weights rounded to the nearest ten kilograms. By analyzing the estimated flour levels, you deduce a critical detail about the suspect's gear.
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
2000
90
7000
3000
230
3700
1300
30
T
2000
1300
9000
7000
5000
3700
9000
T
2000
1100
5000
7000
230
1700
7000
500
4300
5000
4300
230
T
2000
1100
500
230
Round 2,285 to the nearest thousandT
Round 90 to the nearest tenH
Round 4,339 to the nearest hundredP
Round 3,651 to the nearest hundredN
Round 4,689 to the nearest thousandS
Round 229 to the nearest tenA
Round 6,678 to the nearest thousandE
Round 1,698 to the nearest hundredK
Round 30 to the nearest tenI
Round 1,119 to the nearest hundredU
Round 1,299 to the nearest hundredD
Round 2,549 to the nearest thousandB
Round 469 to the nearest hundredL
Round 9,140 to the nearest thousandO
0/14 letters found
Clue 2
Addition
To find the telltale physical habits of the saboteur, you add up the total weight of the discarded salt bags found scattered across the prep stations.
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
3984
5924
4817
2183
2290
2183
4106
4817
9661
T
3984
3674
8325
2217
4817
2183
5107
8065
9308
6876
8365
8325
T
3984
5924
T
3984
5924
4817
8325
6997
6997
8325
5639
5924
T
3984
2907
8325
8065
1885 + 2099 =T
2664 + 5701 =W
2482 + 5583 =N
2355 + 2462 =E
3939 + 5722 =C
1964 + 3960 =H
4848 + 2149 =R
2744 + 5581 =I
2139 + 1535 =M
1510 + 673 =S
1645 + 1262 =F
2089 + 3018 =O
2565 + 1541 =P
2814 + 2825 =G
4082 + 2794 =Y
4794 + 4514 =L
1453 + 837 =U
1477 + 740 =X
0/18 letters found
Clue 3
Subtraction
The baker records the temperatures of the ovens before and after the incident. Subtracting the lower temperature from the higher one reveals how the villain reacted to your defense.
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
4666
3964
3012
T
4666
3964
4649
3012
1716
7407
3675
8829
1716
7407
7805
2395
T
4666
3964
3012
3283
7805
5741
7407
4072
3012
2395
7805
8829
8751
3012
3283
T
4666
5561 - 895 =T
12522 - 3693 =N
6162 - 2198 =H
4823 - 1811 =E
4714 - 65 =I
7217 - 1476 =U
8541 - 4866 =A
4647 - 2931 =F
12257 - 4452 =O
3678 - 1283 =M
7019 - 3736 =S
10002 - 1251 =Z
8886 - 4814 =L
8023 - 616 =R
0/14 letters found
Clue 4
Multiplication facts (1-12)
By calculating the grid of ruined cupcakes arranged in neat rows and columns, you determine the exact substance that the saboteur desperately avoided.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
W
21
14
30
11
35
25
6
121
14
54
30
11
54
40
32
49
14
14
25
16
11
96
70
121
54
81
81
7
14
121
96
14
25
14
3 × 7 =W
2 × 7 =E
11 × 11 =S
10 × 7 =K
11 × 1 =O
6 × 1 =D
5 × 7 =U
4 × 8 =G
9 × 9 =T
7 × 7 =R
5 × 5 =N
2 × 8 =L
3 × 10 =F
8 × 5 =M
12 × 8 =C
6 × 9 =A
1 × 7 =H
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
A stash of sugar pearls was evenly divided among several storage jars. Dividing the total count reveals the final trace of physical evidence left behind on the counter.
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
36 ÷ 6 = ?
80 ÷ 10 = ?
7 ÷ 7 = ?
77 ÷ 11 = ?
63 ÷ 7 = ?
6 ÷ 2 = ?
120 ÷ 10 = ?
20 ÷ 2 = ?
33 ÷ 3 = ?
40 ÷ 8 = ?
14 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain steams a dozen pearl buns, then weighs out starry salt on a clam scale.
2.The villain steams a dozen pearl buns, then scrapes the mixing bowl with a kelp spatula.
3.The villain bakes a towering kelp cake, then scrapes the mixing bowl with a kelp spatula.
4.The villain whisks a massive bowl of sea foam, then weighs out starry salt on a clam scale.
5.The villain steams a dozen pearl buns, then whips up meringue with a sea glass whisk.
6.The villain bakes a towering kelp cake, then weighs out starry salt on a clam scale.
7.The villain steams a dozen pearl buns, then rolls out seaweed dough with a coral pin.
8.The villain whisks a massive bowl of sea foam, then tracks the bake time with a pearl timer.
9.The villain bakes a towering kelp cake, then tracks the bake time with a pearl timer.
10.The villain sculpts an intricate sugar reef, then rolls out seaweed dough with a coral pin.
11.The villain sculpts an intricate sugar reef, then weighs out starry salt on a clam scale.
12.The villain steams a dozen pearl buns, then tracks the bake time with a pearl timer.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Undersea Bake-Off Sabotage
Culprit: Ariel (bubble whisking · clam shell scale · right finned mixer · seafoam green locks · sour lemon zest)
- Clue 1 (Rounding): "THE BANDIT DOES NOT USE A KELP SPATULA"Round 2,285 to the nearest thousand = 2000 (T) · Round 90 to the nearest ten = 90 (H) · Round 4,339 to the nearest hundred = 4300 (P) · Round 3,651 to the nearest hundred = 3700 (N) · Round 4,689 to the nearest thousand = 5000 (S) · Round 229 to the nearest ten = 230 (A) · Round 6,678 to the nearest thousand = 7000 (E) · Round 1,698 to the nearest hundred = 1700 (K) · Round 30 to the nearest ten = 30 (I) · Round 1,119 to the nearest hundred = 1100 (U) · Round 1,299 to the nearest hundred = 1300 (D) · Round 2,549 to the nearest thousand = 3000 (B) · Round 469 to the nearest hundred = 500 (L) · Round 9,140 to the nearest thousand = 9000 (O)
- Clue 2 (Addition): "THE SUSPECT MIXES ONLY WITH THEIR RIGHT FIN"1885 + 2099 = 3984 (T) · 2664 + 5701 = 8365 (W) · 2482 + 5583 = 8065 (N) · 2355 + 2462 = 4817 (E) · 3939 + 5722 = 9661 (C) · 1964 + 3960 = 5924 (H) · 4848 + 2149 = 6997 (R) · 2744 + 5581 = 8325 (I) · 2139 + 1535 = 3674 (M) · 1510 + 673 = 2183 (S) · 1645 + 1262 = 2907 (F) · 2089 + 3018 = 5107 (O) · 2565 + 1541 = 4106 (P) · 2814 + 2825 = 5639 (G) · 4082 + 2794 = 6876 (Y) · 4794 + 4514 = 9308 (L) · 1453 + 837 = 2290 (U) · 1477 + 740 = 2217 (X)
- Clue 3 (Subtraction): "THE THIEF RAN FROM THE SOUR LEMON ZEST"5561 - 895 = 4666 (T) · 12522 - 3693 = 8829 (N) · 6162 - 2198 = 3964 (H) · 4823 - 1811 = 3012 (E) · 4714 - 65 = 4649 (I) · 7217 - 1476 = 5741 (U) · 8541 - 4866 = 3675 (A) · 4647 - 2931 = 1716 (F) · 12257 - 4452 = 7805 (O) · 3678 - 1283 = 2395 (M) · 7019 - 3736 = 3283 (S) · 10002 - 1251 = 8751 (Z) · 8886 - 4814 = 4072 (L) · 8023 - 616 = 7407 (R)
- Clue 4 (Multiplication facts (1-12)): "WE FOUND SEAFOAM GREEN LOCKS AT THE SCENE"3 × 7 = 21 (W) · 2 × 7 = 14 (E) · 11 × 11 = 121 (S) · 10 × 7 = 70 (K) · 11 × 1 = 11 (O) · 6 × 1 = 6 (D) · 5 × 7 = 35 (U) · 4 × 8 = 32 (G) · 9 × 9 = 81 (T) · 7 × 7 = 49 (R) · 5 × 5 = 25 (N) · 2 × 8 = 16 (L) · 3 × 10 = 30 (F) · 8 × 5 = 40 (M) · 12 × 8 = 96 (C) · 6 × 9 = 54 (A) · 1 × 7 = 7 (H)
- Clue 5 (Division facts (1-12)): surviving statement (box 4) → Ariel36 ÷ 6 = 6 · 80 ÷ 10 = 8 · 7 ÷ 7 = 1 · 77 ÷ 11 = 7 · 63 ÷ 7 = 9 · 6 ÷ 2 = 3 · 120 ÷ 10 = 12 · 20 ÷ 2 = 10 · 33 ÷ 3 = 11 · 40 ÷ 8 = 5 · 14 ÷ 7 = 2
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 7-9
- Theme
- The Great Undersea Bake-Off Sabotage — set in The Coral Reef Kitchens
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects