Math Crackers
🔎 Looney tunesGrade 4Reading: grades 3-4Place valueRoundingAdditionSubtractionDivision

The ACME Studio Heist

The Golden Carrot Trophy has vanished from the ACME Cartoon Studio! Director Duck needs the mystery squad to find the thief before tonight's live show.

Suspects

Possible suspects

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

21 of 21 still in play
NameMain TrickACME GadgetDominant HandHair StyleCartoon Trap
Hettie Witchgiant mallet swingspring shoesleft-handedtuft of hairbubble gum
Franklin Leghornportable tunnelspring shoesleft-handedtuft of hairanvil trap
Robby Runnerdisguise box transformrocket packright-handedtuft of hairbubble gum
Mortimer Frogdisguise box transformspring shoesright-handedbald headbubble gum
Tweeter Birdsuper speed dashrocket packleft-handedtuft of hairgiant magnet
Elwood Fuddportable tunnelspring shoesleft-handedtuft of hairgiant magnet
Barney Dogportable tunnelpaint holeleft-handedbald headgiant magnet
Speedy Sambouncing spring jumppaint holeleft-handedslicked back hairgiant magnet
Wylie Coyoteportable tunneljet roller skatesleft-handedtuft of hairgiant magnet
Penelope Poodledisguise box transformspring shoesright-handedslicked back hairgiant magnet
Hubert Mousebouncing spring jumpspring shoesleft-handedslicked back hairbubble gum
Yancey Samportable tunnelpaint holeleft-handedtuft of hairgiant magnet
Marcus Houndgiant mallet swingpaint holeright-handedtuft of hairbubble gum
Gus Gossamerdisguise box transformspring shoesright-handedbald headanvil trap
Bertram Mousegiant mallet swinggiant eraserright-handedbald headanvil trap
Penny Pussycatsuper speed dashspring shoesright-handedslicked back hairbubble gum
Dathan Drakesuper speed dashrocket packleft-handedslicked back hairgiant magnet
Tazzy Tasmaniangiant mallet swingjet roller skatesleft-handedtuft of hairbubble gum
Sylvie Catdisguise box transformpaint holeleft-handedtuft of hairbubble gum
Barnaby Bunnybouncing spring jumpspring shoesright-handedtuft of hairgiant magnet
Granny Goosebouncing spring jumpgiant eraserleft-handedtuft of hairgiant magnet
Clue 1

Place value

Detective Bunny examined the digit readout on the ACME security keypad to check the vault code.

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
50
100
10
800
3000
20
20
300
3000
30
8000
3000
8000
30
4000
T
50
700
9000
10
300
2000
4000
1000
7000
10
T
50
80
300
1000
7000
What is the value of the 5 in 354?T
What is the value of the 1 in 61,434?C
What is the value of the 7 in 2,799?U
What is the value of the 2 in 826?L
What is the value of the 2 in 2,378?R
What is the value of the 3 in 3,912?I
What is the value of the 8 in 28,532?D
What is the value of the 8 in 285?P
What is the value of the 8 in 873?V
What is the value of the 7 in 7,280?K
What is the value of the 1 in 9,517?E
What is the value of the 3 in 635?N
What is the value of the 9 in 49,480?S
What is the value of the 3 in 360?A
What is the value of the 1 in 7,160?H
What is the value of the 4 in 94,110?O
0/16 letters found
Clue 2

Rounding

The cartoon studio radar screen only shows rounded speed numbers for fast suspects.

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
2900
500
3700
290
5000
3700
370
170
30
3700
130
T
2900
370
30
3700
130
T
2900
500
370
5000
9000
3700
9000
500
370
5000
9000
90
300
50
5000
T
2900
Round 2,929 to the nearest hundredT
Round 9,180 to the nearest thousandD
Round 508 to the nearest hundredH
Round 305 to the nearest hundredR
Round 94 to the nearest tenP
Round 128 to the nearest tenF
Round 5,275 to the nearest thousandN
Round 3,748 to the nearest hundredE
Round 48 to the nearest tenI
Round 288 to the nearest tenS
Round 170 to the nearest tenK
Round 30 to the nearest tenL
Round 373 to the nearest tenA
0/13 letters found
Clue 3

Addition

The detective tallied up all the extra ACME supplies left scattered near the prop room.

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
2166
4667
2911
2658
9265
2911
5268
7999
3349
5268
2658
2658
T
2166
6016
5831
5831
2911
6929
9767
4393
5268
9751
9041
5268
9265
T
2166
9699
5268
9751
9265
2911
T
2166
967 + 1199 =T
1826 + 2567 =Y
2496 + 2171 =H
4060 + 4981 =I
1674 + 1237 =E
1565 + 1093 =S
1577 + 1772 =W
6091 + 3676 =B
4966 + 3033 =K
3745 + 2086 =P
5134 + 4565 =M
2522 + 2746 =A
6421 + 3330 =G
3884 + 2132 =O
4284 + 4981 =N
4704 + 2225 =D
0/16 letters found
Clue 4

Subtraction

The detective measured how many feet of giant rubber band were missing from the trap.

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

A
8668
7216
3757
2889
7216
3551
2889
7078
A
8668
8076
4976
3482
A
8668
3938
1724
2357
2889
7216
3551
8356
7216
7078
2357
8066
2357
A
8668
4976
12333 - 3665 =A
9346 - 1270 =I
6780 - 3298 =W
7190 - 112 =H
5744 - 2855 =F
10583 - 2517 =G
8982 - 1766 =T
5984 - 3627 =E
5629 - 3905 =L
5346 - 1408 =S
9413 - 1057 =N
7060 - 3303 =U
4785 - 1234 =O
6065 - 1089 =R
0/14 letters found
Clue 5

Division facts (1-12) — the last clue

The detective shared the found cartoon clues equally among the mystery team crates.

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
42 ÷ 6 = ?
12 ÷ 3 = ?
48 ÷ 6 = ?
12 ÷ 12 = ?
27 ÷ 3 = ?
20 ÷ 4 = ?
2 ÷ 1 = ?
55 ÷ 5 = ?
60 ÷ 5 = ?
60 ÷ 10 = ?
80 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain popped out of a disguise box, then drew a fake paint hole.
2.The villain dashed through the studio, then drew a fake paint hole.
3.The villain bounced high into the air, then wiped clues with a giant eraser.
4.The villain painted a sneaky tunnel, then leaped using spring shoes.
5.The villain popped out of a disguise box, then leaped using spring shoes.
6.The villain popped out of a disguise box, then zipped away on jet roller skates.
7.The villain painted a sneaky tunnel, then zipped away on jet roller skates.
8.The villain painted a sneaky tunnel, then drew a fake paint hole.
9.The villain swung a massive mallet, then leaped using spring shoes.
10.The villain popped out of a disguise box, then wiped clues with a giant eraser.
11.The villain bounced high into the air, then blasted off with a rocket pack.
12.The villain dashed through the studio, then leaped using spring shoes.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Place value, Rounding, Addition, Subtraction, Division
Reading level
grades 3-4
Theme
The ACME Studio Heist — set in ACME Cartoon Studio Soundstage
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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