The Great Cookie Crumble
Oh no! The grand prize Golden Cookie is missing from the display case. There are crumbs everywhere! The Head Baker needs your help to find out who took it before the big bakery show starts.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Favorite Flavor | Secret Baking Tool | Sprinkle Hand | Flour Dust Color | Cookie Fear |
|---|---|---|---|---|---|
| Jack Frosting | Oatmeal Raisin | Wooden Spoon | Right Handed | White Flour | Loud Crunch |
| Kiki Cocoa | Lemon Drop | Red Timer | Right Handed | Brown Cocoa | Cold Milk |
| Rosie Raisin | Minty Melt | Red Timer | Right Handed | Brown Cocoa | Loud Crunch |
| Quinn Quince | Oatmeal Raisin | Silver Whisk | Left Handed | Brown Cocoa | Sticky Jam |
| Penny Peanut | Lemon Drop | Gold Spatula | Left Handed | Yellow Cornmeal | Cold Milk |
| Izzy Icing | Lemon Drop | Wooden Spoon | Left Handed | Brown Cocoa | Sticky Jam |
| Hazel Nut | Minty Melt | Silver Whisk | Right Handed | Brown Cocoa | Sticky Jam |
| Wally Wafer | Minty Melt | Red Timer | Left Handed | Brown Cocoa | Loud Crunch |
| Sammy Sweet | Minty Melt | Silver Whisk | Right Handed | White Flour | Sticky Jam |
| Ginger Snap | Minty Melt | Red Timer | Right Handed | Brown Cocoa | Sticky Jam |
| Ella Sugar | Oatmeal Raisin | Silver Whisk | Right Handed | Brown Cocoa | Sticky Jam |
| Zack Zest | Lemon Drop | Silver Whisk | Right Handed | Yellow Cornmeal | Loud Crunch |
| Baker Billy | Choco Chip | Blue Rolling Pin | Left Handed | Brown Cocoa | Loud Crunch |
| Yara Yeast | Oatmeal Raisin | Wooden Spoon | Right Handed | Brown Cocoa | Sticky Jam |
| Upton Ube | Oatmeal Raisin | Blue Rolling Pin | Left Handed | Yellow Cornmeal | Loud Crunch |
| Ned Nutmeg | Sugar Frost | Blue Rolling Pin | Right Handed | Brown Cocoa | Sticky Jam |
| Mimi Mint | Lemon Drop | Gold Spatula | Right Handed | Brown Cocoa | Loud Crunch |
| Cookie Carla | Choco Chip | Silver Whisk | Right Handed | White Flour | Cold Milk |
| Tilly Tart | Sugar Frost | Gold Spatula | Left Handed | White Flour | Cold Milk |
| Ollie Oat | Lemon Drop | Blue Rolling Pin | Right Handed | White Flour | Sticky Jam |
| Frankie Flour | Sugar Frost | Silver Whisk | Left Handed | Yellow Cornmeal | Sticky Jam |
Place value
The baker looks at the recipe code. It has tens and ones. Can you read the numbers to find 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.
Addition
We need to add the chocolate chips in both bowls. Help us find the sum to get the next 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.
Subtraction
Someone ate some cookies from the tray! Subtract the crumbs to see what is left and find a 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.
Skip counting
The cookie stacks are lined up by twos and fives. Count them quickly to unlock this 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.
Missing addends — the last clue
We have six cookies but we need ten. Find how many are missing to get the last 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!
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Cookie Crumble
- Clue 1 (Place value): "THE THIEF DOES NOT USE A WOODEN SPOON"What number has 4 tens and 0 ones? = 40 (T) · What number has 1 ten and 7 ones? = 17 (U) · What number has 6 tens and 5 ones? = 65 (A) · What number has 1 ten and 6 ones? = 16 (F) · What number has 5 tens and 8 ones? = 58 (P) · What number has 7 tens and 3 ones? = 73 (I) · What number has 1 ten and 1 one? = 11 (E) · What number has 2 tens and 8 ones? = 28 (H) · What number has 4 tens and 8 ones? = 48 (O) · What number has 4 tens and 6 ones? = 46 (W) · What number has 9 tens and 7 ones? = 97 (N) · What number has 7 tens and 7 ones? = 77 (D) · What number has 8 tens and 7 ones? = 87 (S)
- Clue 2 (Addition): "THE THIEF IS RIGHT HANDED"16 + 19 = 35 (T) · 16 + 14 = 30 (S) · 44 + 28 = 72 (A) · 50 + 31 = 81 (G) · 33 + 54 = 87 (E) · 54 + 25 = 79 (F) · 24 + 15 = 39 (D) · 15 + 6 = 21 (R) · 15 + 34 = 49 (H) · 42 + 19 = 61 (N) · 47 + 30 = 77 (I)
- Clue 3 (Subtraction): "THE THIEF IS SCARED OF STICKY JAM"119 - 34 = 85 (T) · 71 - 21 = 50 (R) · 81 - 15 = 66 (I) · 61 - 2 = 59 (Y) · 38 - 6 = 32 (M) · 87 - 11 = 76 (O) · 30 - 17 = 13 (H) · 105 - 26 = 79 (S) · 98 - 9 = 89 (D) · 77 - 26 = 51 (K) · 86 - 38 = 48 (C) · 29 - 12 = 17 (J) · 32 - 17 = 15 (E) · 29 - 18 = 11 (F) · 102 - 28 = 74 (A)
- Clue 4 (Skip counting): "WE FOUND BROWN COCOA DUST"Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (W) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (R) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (S) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (C) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (B) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80 = 60 (A) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (D) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (N) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (E) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (O) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (F)
- Clue 5 (Missing addends): surviving statement (box 2) → Ella Sugar10 + ___ = 21 = 11 · 6 + ___ = 16 = 10 · 1 + ___ = 9 = 8 · 10 + ___ = 17 = 7 · 9 + ___ = 18 = 9 · 8 + ___ = 20 = 12 · 3 + ___ = 7 = 4 · 8 + ___ = 11 = 3 · 7 + ___ = 8 = 1 · 4 + ___ = 9 = 5 · 4 + ___ = 10 = 6
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 1-2
- Theme
- The Great Cookie Crumble — set in The Sweet Treat Bakery
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
