Math Crackers
🐱 Cats, cakeGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision

The Great Birthday Cake Caper

Someone snuck into Whiskers Bakery right before the grand contest and snatched the giant fish-shaped birthday cake! The detective cats must examine clues around the kitchen to catch the culprit before judging begins.

Suspects

Possible suspects

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

21 of 21 still in play
NameBaking SkillSecret IngredientPaw HabitFur StyleDistraction
Clawdia CatSugar SculptingMilk CreamRight PawedFluffy TabbySqueaky Mouse
Felix FluffOven TimingCatnip SprinkleRight PawedCalico PatchesShiny Ribbon
Purrlock HolmesOven TimingMilk CreamRight PawedFluffy TabbyLaser Light
Muffin PawsDough KneadingVanilla BeanLeft PawedFluffy TabbyLaser Light
Baker BarnabyOven TimingFish FudgeLeft PawedFluffy TabbyLaser Light
Hazel NutcatBerry GlazingFish FudgeLeft PawedFluffy TabbyLaser Light
Cookie CharlieSugar SculptingHoney DrizzleRight PawedSleek BlackLaser Light
Butter BeanFrosting SwirlsFish FudgeLeft PawedFluffy TabbyLaser Light
Fudge FeliciaBerry GlazingMilk CreamRight PawedFluffy TabbySqueaky Mouse
Princess PurrFrosting SwirlsFish FudgeRight PawedFluffy TabbyLaser Light
Sourdough SamBerry GlazingCatnip SprinkleLeft PawedCalico PatchesSqueaky Mouse
Biscuit BobDough KneadingFish FudgeLeft PawedCalico PatchesSqueaky Mouse
Tippy ToesSugar SculptingFish FudgeLeft PawedSleek BlackShiny Ribbon
Cupcake CleoBerry GlazingMilk CreamLeft PawedFluffy TabbySqueaky Mouse
Whiskers WafflesSugar SculptingHoney DrizzleLeft PawedSleek BlackLaser Light
Ziggy ZeppoleOven TimingCatnip SprinkleLeft PawedCalico PatchesLaser Light
Macaron MittensDough KneadingFish FudgeRight PawedCalico PatchesLaser Light
Chef MeowserOven TimingHoney DrizzleLeft PawedFluffy TabbyLaser Light
Barnaby BatterFrosting SwirlsFish FudgeRight PawedCalico PatchesShiny Ribbon
Oliver OatmealDough KneadingHoney DrizzleLeft PawedFluffy TabbySqueaky Mouse
Captain PawsDough KneadingFish FudgeLeft PawedSleek BlackShiny Ribbon
Clue 1

Rounding

The digital flour scale in the bakery kitchen only shows rounded totals. Round the numbers to read the 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
230
3700
1300
3000
430
2900
2900
370
430
20
5000
70
1300
130
20
70
T
230
110
130
1300
3000
370
20
430
2900
2900
370
300
1300
370
20
Round 233 to the nearest tenT
Round 23 to the nearest tenN
Round 70 to the nearest tenO
Round 127 to the nearest tenS
Round 114 to the nearest tenU
Round 314 to the nearest hundredB
Round 3,713 to the nearest hundredH
Round 4,636 to the nearest thousandD
Round 371 to the nearest tenA
Round 426 to the nearest tenI
Round 2,625 to the nearest thousandV
Round 2,865 to the nearest hundredL
Round 1,268 to the nearest hundredE
0/13 letters found
Clue 2

Addition

The pastry chef counted up all the stray sprinkles on the baking table. Add the numbers to unlock the evidence.

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
4568
7126
4401
4023
6225
4023
8323
4401
2397
T
4568
9806
4401
6354
T
4568
4690
4401
7126
5559
4429
5376
7880
9806
4401
6354
T
4568
8323
7880
3560
8323
2083
5559
4429
T
4568
2137 + 2431 =T
3529 + 2825 =F
3182 + 2194 =D
1122 + 1275 =C
4616 + 5190 =L
1393 + 3008 =E
4278 + 2848 =H
2490 + 1533 =S
3064 + 1626 =B
1118 + 2442 =W
2605 + 2954 =I
1443 + 640 =R
4216 + 2009 =U
3703 + 4620 =P
2958 + 1471 =N
2896 + 4984 =A
0/16 letters found
Clue 3

Subtraction

Some cupcakes went missing from the baking rack. Subtract to find out how many treats remain.

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
3174
4256
8728
4364
8888
8829
8829
4463
8888
1876
3659
4256
4463
2433
8728
7752
4463
6212
T
3174
8728
8481
4463
8481
8728
7752
8829
4463
2433
8728
8481
8829
8888
5799
4256
T
3174
7253 - 4079 =T
6910 - 3251 =C
9395 - 566 =L
8325 - 573 =D
7194 - 982 =F
6966 - 1167 =G
5628 - 1372 =H
9095 - 4731 =V
3431 - 1555 =N
7502 - 3039 =A
9762 - 874 =I
13511 - 4783 =E
2745 - 312 =S
8580 - 99 =R
0/14 letters found
Clue 4

Multiplication facts (1-12)

The bakery trays were arranged in neat rows of delicious tarts. Multiply to count the total pastries.

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

C
42
48
40
64
48
121
88
48
40
144
C
42
5
9
5
14
48
144
30
88
99
50
48
30
132
32
30
30
80
40
48
4
4
80
7 × 6 =C
5 × 1 =E
11 × 11 =I
4 × 12 =A
11 × 8 =R
7 × 2 =W
4 × 10 =T
4 × 1 =B
3 × 10 =F
12 × 11 =L
8 × 8 =H
5 × 10 =M
8 × 10 =Y
9 × 11 =O
9 × 1 =N
8 × 4 =U
12 × 12 =S
0/17 letters found
Clue 5

Division facts (1-12) — the last clue

The helper cats split the remaining cake slices evenly among their plates. Divide to discover the final secret.

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
7 ÷ 1 = ?
72 ÷ 9 = ?
16 ÷ 8 = ?
28 ÷ 7 = ?
3 ÷ 1 = ?
60 ÷ 6 = ?
1 ÷ 1 = ?
108 ÷ 9 = ?
121 ÷ 11 = ?
35 ÷ 7 = ?
18 ÷ 2 = ?
Step 2 — cross out the sentence with each answer
1.The villain poured sweet berry glaze, then drizzled golden honey.
2.The villain set the giant oven timer, then stirred in rich fish fudge.
3.The villain sculpted a cat statue out of sugar, then stirred in rich fish fudge.
4.The villain piped frosting onto the counter, then drizzled golden honey.
5.The villain poured sweet berry glaze, then added fresh vanilla bean.
6.The villain set the giant oven timer, then drizzled golden honey.
7.The villain piped frosting onto the counter, then stirred in rich fish fudge.
8.The villain poured sweet berry glaze, then stirred in rich fish fudge.
9.The villain set the giant oven timer, then sprinkled catnip all over.
10.The villain piped frosting onto the counter, then whipped up extra milk cream.
11.The villain kneaded dough into a giant ball, then drizzled golden honey.
12.The villain poured sweet berry glaze, then sprinkled catnip all over.
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 Birthday Cake Caper — set in Whiskers Bakery
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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