🔎 CookiesGrade 3Reading: grades 3-4AdditionSubtractionPlace valueBar modelsDivision
The Great Cookie Crumb Caper
Oh no! The Golden Whisk has been stolen from the kitchen right before the Great Bake-Off! One of the cookie apprentices is secretly the Crumb Bandit. We need to solve the clues to find out who took it!
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 | Cookie Magic | Secret Ingredient | Mixing Style | Baker Hat Color | Cookie Weakness |
|---|---|---|---|---|---|
| Toby Tuile | frosting swirling | marshmallow fluff | left handed mixer | blue baker hat | soggy dough |
| Gaby Ginger | frosting swirling | marshmallow fluff | right handed mixer | red baker hat | stale crumbs |
| Quinn Quince | sprinkle blasting | cinnamon swirl | right handed mixer | blue baker hat | soggy dough |
| Wally Wafer | frosting swirling | marshmallow fluff | left handed mixer | pink baker hat | soggy dough |
| Rosie Raisin | chocolate melting | lemon zest | right handed mixer | blue baker hat | soggy dough |
| Dana Doughnut | sprinkle blasting | lemon zest | right handed mixer | blue baker hat | burnt cookies |
| Katie Krumble | sugar dusting | marshmallow fluff | right handed mixer | blue baker hat | soggy dough |
| Charlie Chip | dough rolling | peppermint bark | right handed mixer | blue baker hat | soggy dough |
| Fiona Fudge | sprinkle blasting | salted caramel | left handed mixer | blue baker hat | burnt cookies |
| Uma Ube | dough rolling | lemon zest | right handed mixer | blue baker hat | soggy dough |
| Leo Lemon | sprinkle blasting | marshmallow fluff | left handed mixer | red baker hat | stale crumbs |
| Izzy Icing | frosting swirling | lemon zest | left handed mixer | blue baker hat | stale crumbs |
| Jack Jelly | frosting swirling | peppermint bark | left handed mixer | blue baker hat | burnt cookies |
| Elmo Oatmeal | sprinkle blasting | marshmallow fluff | right handed mixer | red baker hat | soggy dough |
| Mac Macaron | dough rolling | salted caramel | right handed mixer | blue baker hat | soggy dough |
| Abby Alfajor | chocolate melting | cinnamon swirl | left handed mixer | pink baker hat | soggy dough |
| Zach Zest | sugar dusting | marshmallow fluff | left handed mixer | red baker hat | stale crumbs |
| Sammy Snickerdoodle | sprinkle blasting | salted caramel | right handed mixer | blue baker hat | stale crumbs |
| Nelly Nougat | sprinkle blasting | lemon zest | right handed mixer | red baker hat | soggy dough |
| Ollie Oreo | frosting swirling | salted caramel | right handed mixer | pink baker hat | soggy dough |
| Benny Biscotti | frosting swirling | lemon zest | right handed mixer | red baker hat | stale crumbs |
Clue 1
Addition
We count the baking sheets on the left wall and add the ones on the right wall to find the total.
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
579
392
964
593
965
366
878
276
T
579
878
571
964
663
366
571
T
579
443
663
964
644
964
202
571
366
887
964
663
T
579
287 + 292 =T
593 + 285 =D
131 + 71 =M
117 + 159 =I
296 + 297 =B
624 + 341 =A
419 + 244 =S
279 + 608 =Z
400 + 171 =O
633 + 331 =E
237 + 155 =H
203 + 163 =N
449 + 195 =L
147 + 296 =U
0/14 letters found
Clue 2
Subtraction
The baker had a big bag of chocolate chips but spilled some. Subtracting the spilled chips reveals a secret message.
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
751
699
247
T
751
699
640
247
406
515
T
751
640
764
515
130
640
T
751
699
T
751
699
247
764
640
739
699
T
751
699
549
613
615
804 - 53 =T
863 - 164 =H
1080 - 316 =R
789 - 174 =D
425 - 178 =E
883 - 334 =A
690 - 284 =F
390 - 260 =W
884 - 271 =N
752 - 13 =G
780 - 140 =I
727 - 212 =S
0/12 letters found
Clue 3
Place value
We look at the boxes of cookie dough stacked in tens and ones. The place value of the boxes reveals a hidden code on the shelf.
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
10
300
400
200
900
800
800
2000
900
80
90
70
5000
700
5000
9000
6000
900
800
1000
70
800
7000
7000
9000
40
800
80
7000
300
What is the value of the 1 in 7,819?T
What is the value of the 8 in 780?U
What is the value of the 2 in 1,238?C
What is the value of the 2 in 32,405?K
What is the value of the 3 in 9,349?H
What is the value of the 9 in 982?R
What is the value of the 7 in 274?S
What is the value of the 4 in 642?D
What is the value of the 4 in 5,475?E
What is the value of the 9 in 2,498?N
What is the value of the 7 in 755?W
What is the value of the 9 in 9,568?Y
What is the value of the 1 in 71,769?M
What is the value of the 6 in 6,897?F
What is the value of the 8 in 806?O
What is the value of the 7 in 7,509?G
What is the value of the 5 in 5,604?A
0/17 letters found
Clue 4
Bar model word problems
We draw bar models to compare the height of the flour bags. The difference in the bars points us directly to a dropped note.
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.
Astrandof hairturnedupatthescene.
B
13
12
42
10
B
13
27
20
10
37
H
27
T
One group collected 6 mixing bowls and another group collected 7 mixing bowls. How many mixing bowls in all?
draw a bar model
Answer:→B
Baker has 200 sprinkles, packed 10 to a bag. How many bags can be filled?
draw a bar model
Answer:→K
The red team has 34 sprinkles and the blue team has 24 sprinkles. How many more sprinkles does the red team have?
draw a bar model
Answer:→E
There were 68 sprinkles in all. 26 sprinkles were used. How many sprinkles are left?
draw a bar model
Answer:→U
There were 60 baking sheets in all. 23 baking sheets were used. How many baking sheets are left?
draw a bar model
Answer:→R
There were 59 cookie cutters in all. 32 cookie cutters were used. How many cookie cutters are left?
draw a bar model
Answer:→A
Baker has 2 times as many chocolate chips as a teammate. The teammate has 6 chocolate chips. How many chocolate chips does baker have?
draw a bar model
Answer:→L
0/7 letters found
Clue 5
Division facts (1-12) — the last clue
We split thirty fresh cookies equally among five clean plates. The number of cookies on each plate unlocks the safe.
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
120 ÷ 12 = ?
28 ÷ 7 = ?
48 ÷ 4 = ?
88 ÷ 11 = ?
21 ÷ 7 = ?
20 ÷ 4 = ?
60 ÷ 10 = ?
8 ÷ 8 = ?
22 ÷ 11 = ?
36 ÷ 4 = ?
11 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain swirls sticky frosting on the walls, then sticks things with marshmallow fluff.
2.The villain dusts sugar to hide their tracks, then drops a piece of peppermint bark.
3.The villain melts chocolate over the keys, then drips gooey salted caramel.
4.The villain sprinkle blasts the floor, then leaves a scent of cinnamon.
5.The villain swirls sticky frosting on the walls, then squeezes a bit of lemon zest.
6.The villain swirls sticky frosting on the walls, then drops a piece of peppermint bark.
7.The villain dusts sugar to hide their tracks, then sticks things with marshmallow fluff.
8.The villain dusts sugar to hide their tracks, then drips gooey salted caramel.
9.The villain sprinkle blasts the floor, then drips gooey salted caramel.
10.The villain rolls out giant dough barriers, then drops a piece of peppermint bark.
11.The villain sprinkle blasts the floor, then sticks things with marshmallow fluff.
12.The villain rolls out giant dough barriers, then drips gooey salted caramel.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Cookie Crumb Caper
Culprit: Katie Krumble (sugar dusting · marshmallow fluff · right handed mixer · blue baker hat · soggy dough)
- Clue 1 (Addition): "THE BANDIT DOES NOT USE LEMON ZEST"287 + 292 = 579 (T) · 593 + 285 = 878 (D) · 131 + 71 = 202 (M) · 117 + 159 = 276 (I) · 296 + 297 = 593 (B) · 624 + 341 = 965 (A) · 419 + 244 = 663 (S) · 279 + 608 = 887 (Z) · 400 + 171 = 571 (O) · 633 + 331 = 964 (E) · 237 + 155 = 392 (H) · 203 + 163 = 366 (N) · 449 + 195 = 644 (L) · 147 + 296 = 443 (U)
- Clue 2 (Subtraction): "THE THIEF STIRS WITH THE RIGHT HAND"804 - 53 = 751 (T) · 863 - 164 = 699 (H) · 1080 - 316 = 764 (R) · 789 - 174 = 615 (D) · 425 - 178 = 247 (E) · 883 - 334 = 549 (A) · 690 - 284 = 406 (F) · 390 - 260 = 130 (W) · 884 - 271 = 613 (N) · 752 - 13 = 739 (G) · 780 - 140 = 640 (I) · 727 - 212 = 515 (S)
- Clue 3 (Place value): "THE CROOK RUNS AWAY FROM SOGGY DOUGH"What is the value of the 1 in 7,819? = 10 (T) · What is the value of the 8 in 780? = 80 (U) · What is the value of the 2 in 1,238? = 200 (C) · What is the value of the 2 in 32,405? = 2000 (K) · What is the value of the 3 in 9,349? = 300 (H) · What is the value of the 9 in 982? = 900 (R) · What is the value of the 7 in 274? = 70 (S) · What is the value of the 4 in 642? = 40 (D) · What is the value of the 4 in 5,475? = 400 (E) · What is the value of the 9 in 2,498? = 90 (N) · What is the value of the 7 in 755? = 700 (W) · What is the value of the 9 in 9,568? = 9000 (Y) · What is the value of the 1 in 71,769? = 1000 (M) · What is the value of the 6 in 6,897? = 6000 (F) · What is the value of the 8 in 806? = 800 (O) · What is the value of the 7 in 7,509? = 7000 (G) · What is the value of the 5 in 5,604? = 5000 (A)
- Clue 4 (Bar model word problems): "BLUE BAKER HAT"One group collected 6 mixing bowls and another group collected 7 mixing bowls. How many mixing bowls in all? = 13 (B) · Baker has 200 sprinkles, packed 10 to a bag. How many bags can be filled? = 20 (K) · The red team has 34 sprinkles and the blue team has 24 sprinkles. How many more sprinkles does the red team have? = 10 (E) · There were 68 sprinkles in all. 26 sprinkles were used. How many sprinkles are left? = 42 (U) · There were 60 baking sheets in all. 23 baking sheets were used. How many baking sheets are left? = 37 (R) · There were 59 cookie cutters in all. 32 cookie cutters were used. How many cookie cutters are left? = 27 (A) · Baker has 2 times as many chocolate chips as a teammate. The teammate has 6 chocolate chips. How many chocolate chips does baker have? = 12 (L)
- Clue 5 (Division facts (1-12)): surviving statement (box 7) → Katie Krumble120 ÷ 12 = 10 · 28 ÷ 7 = 4 · 48 ÷ 4 = 12 · 88 ÷ 11 = 8 · 21 ÷ 7 = 3 · 20 ÷ 4 = 5 · 60 ÷ 10 = 6 · 8 ÷ 8 = 1 · 22 ÷ 11 = 2 · 36 ÷ 4 = 9 · 11 ÷ 1 = 11
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Addition, Subtraction, Place value, Bar models, Division
- Reading level
- grades 3-4
- Theme
- The Great Cookie Crumb Caper — set in The Cookie Crumb Bakery
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects