Math Mysteries
🔎 HalloweenGrade 5Reading: grades 3-4Skip countingSubtractionRoundingFractions of a numberDivision

The Great Pumpkin Heist

A sneaky thief has snatched the Golden Pumpkin Trophy! Mayor Barnaby needs your detective skills to find the culprit before the spooky parade 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
NameMain MagicTrick PowerStanceDisguise HairWeakness
Zombie Zachturning into a batstealing pumpkin piesleft-handed grabneon orange wigspooky ghost stories
Gaspard Ghostthrowing pumpkin bombsmaking spooky soundsleft-handed grabpitch black wigshiny silver flashlights
Mummy Mortflying on a broommaking spooky soundsleft-handed grabneon orange wigshiny silver flashlights
Wicked Wendyflying on a broomfloating off the groundright-handed grabtoxic green wigspooky ghost stories
Slinky Sidflying on a broomfloating off the groundright-handed grabneon orange wigspooky ghost stories
Howling Hankflying on a broomglowing in the darkleft-handed grabneon orange wigspooky ghost stories
Bones Malonebrewing sleeping potionsglowing in the darkleft-handed grabneon orange wigspooky ghost stories
Vampire Vicksummoning skeleton armiesspinning spider websleft-handed grabpitch black wigshiny silver flashlights
Eerie Elsathrowing pumpkin bombsstealing pumpkin piesleft-handed grabpitch black wigshiny silver flashlights
Fangs Freddysummoning skeleton armiesglowing in the darkleft-handed grabpitch black wigshiny silver flashlights
Specter Sallyflying on a broomstealing pumpkin piesright-handed grabtoxic green wigshiny silver flashlights
Creepy Carlathrowing pumpkin bombsstealing pumpkin piesleft-handed grabtoxic green wigcheesy monster jokes
Wolfman Jackturning into a batstealing pumpkin piesleft-handed grabpitch black wigspooky ghost stories
Shadow Shawnsummoning skeleton armiesspinning spider websleft-handed grabneon orange wigspooky ghost stories
Goblin Garyflying on a broomfloating off the groundright-handed grabpitch black wigshiny silver flashlights
Spooky Sambrewing sleeping potionsspinning spider websright-handed grabneon orange wigspooky ghost stories
Bramble Jackbrewing sleeping potionsspinning spider websleft-handed grabpitch black wigspooky ghost stories
Frankensteinflying on a broomglowing in the darkleft-handed grabtoxic green wigspooky ghost stories
Casper Friendlybrewing sleeping potionsfloating off the groundleft-handed grabpitch black wigspooky ghost stories
Witch Hazelflying on a broomstealing pumpkin piesright-handed grabpitch black wigspooky ghost stories
Bony Brendabrewing sleeping potionsfloating off the groundleft-handed grabneon orange wigspooky ghost stories
Clue 1

Skip counting

The security guard tracked footprints across the pumpkin patch. To find the next clue, we must count the tracks skipping every third pumpkin.

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
80
22
28
T
80
22
60
28
100
130
42
28
15
18
42
T
80
15
T
80
28
26
45
12
36
35
12
70
60
18
12
60
28
15
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100T
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45M
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32E
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21S
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80K
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42U
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120F
Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18P
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55L
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70I
0/15 letters found
Clue 2

Subtraction

The candy corn stash was raided by the thief. If we subtract the eaten pieces from the original pile, we can unlock the second 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
4281
3338
5383
T
4281
3338
8277
5383
2717
1113
1592
5383
7586
1020
5611
5383
2717
T
4281
3338
1020
5171
7586
5383
7586
6254
1817
1020
1413
8875 - 4594 =T
3805 - 2692 =U
6346 - 92 =G
2932 - 1912 =A
3233 - 1416 =R
3948 - 1231 =F
9203 - 3820 =E
4851 - 3438 =B
10002 - 1725 =I
11829 - 4243 =D
8240 - 3069 =N
7466 - 4128 =H
8977 - 3366 =L
3274 - 1682 =S
0/14 letters found
Clue 3

Rounding

The carnival radar screen shows the thief escaping. The radar only displays numbers rounded to the nearest ten, so we must round the speed 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
9000
900
5000
T
9000
900
1700
5000
50
900
7000
T
9000
5000
1100
1100
4300
2000
2000
3000
2900
290
900
2000
1100
T
9000
1100
T
9000
2000
2300
1700
5000
1100
Round 8,706 to the nearest thousandT
Round 6,616 to the nearest thousandA
Round 2,323 to the nearest hundredR
Round 1,661 to the nearest hundredI
Round 4,255 to the nearest hundredP
Round 48 to the nearest tenF
Round 2,462 to the nearest thousandO
Round 288 to the nearest tenG
Round 3,231 to the nearest thousandK
Round 4,745 to the nearest thousandE
Round 1,074 to the nearest hundredS
Round 2,897 to the nearest hundredY
Round 896 to the nearest hundredH
0/13 letters found
Clue 4

Fractions of a number

A group of friendly bats wants to help us. If we can find exactly one-third of the bats in the tree, they will point us to the fourth 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.

W
20
34
13
10
29
7
33
7
34
10
7
10
8
36
7
22
34
W
20
3
22
37
6
8
36
7
33
37
2/6 of 60 =W
4/10 of 55 =G
3/6 of 6 =I
2/4 of 12 =T
1/6 of 42 =N
1/3 of 102 =E
2/6 of 30 =O
4/8 of 66 =D
2/10 of 185 =S
1/6 of 78 =F
1/3 of 87 =U
6/8 of 48 =A
1/4 of 32 =R
0/13 letters found
Clue 5

Division facts (1-12) — the last clue

A bag of glow sticks needs to be shared equally among the detective team. Solving this division problem will reveal the final 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!

Step 1 — solve these
44 ÷ 4 = ?
8 ÷ 2 = ?
36 ÷ 3 = ?
15 ÷ 5 = ?
30 ÷ 6 = ?
84 ÷ 12 = ?
99 ÷ 11 = ?
14 ÷ 7 = ?
12 ÷ 12 = ?
32 ÷ 4 = ?
48 ÷ 8 = ?
Step 2 — cross out the sentence with each answer
1.The villain throws a glowing pumpkin bomb, then makes creepy howling sounds.
2.The villain throws a glowing pumpkin bomb, then spins a web of sticky spider webs.
3.The villain summons a tiny skeleton army, then glows in the dark spooky green.
4.The villain brews a smelly sleeping potion, then glows in the dark spooky green.
5.The villain turns into a squeaky bat, then spins a web of sticky spider webs.
6.The villain flies away on a broomstick, then makes creepy howling sounds.
7.The villain turns into a squeaky bat, then floats an inch off the cold ground.
8.The villain summons a tiny skeleton army, then makes creepy howling sounds.
9.The villain summons a tiny skeleton army, then steals all the fresh pumpkin pies.
10.The villain flies away on a broomstick, then glows in the dark spooky green.
11.The villain brews a smelly sleeping potion, then floats an inch off the cold ground.
12.The villain summons a tiny skeleton army, then spins a web of sticky spider webs.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Skip counting, Subtraction, Rounding, Fractions of a number, Division
Reading level
grades 3-4
Theme
The Great Pumpkin Heist — set in Spooky Patch Carnival
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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