Math Crackers
🔎 Hallowen pummcens leaves wchGrade 4Reading: grades 3-4MultiplicationRoundingAdditionSubtractionDivision

The Mystery of the Missing Great Lantern

Someone snuck into the Autumn Moon Pumpkin Patch and stole the golden Great Lantern right before the midnight festival! Detective, examine the clues left behind by the witchy suspect to track down the thief.

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 MagicExtra SpellWand HandHair ColorBanish Item
Marnie MossVine TangleCackling EchoLeft-handedBlack HairMoon Water
Corvin CrowGlow ShockShadow CloakLeft-handedSilver HairSilver Bell
Soren HarvestLeaf SwirlSpell ShieldRight-handedOrange HairSalt Powder
Orla OakBroom ZoomCackling EchoLeft-handedSilver HairSilver Bell
Cedric CrispPumpkin BlastSpider SwarmRight-handedBlack HairSilver Bell
Tabitha BroomBroom ZoomLantern FlareLeft-handedSilver HairSilver Bell
Tamsin TwigLeaf SwirlLantern FlareLeft-handedSilver HairMoon Water
Gwen NightVine TangleLantern FlareLeft-handedSilver HairSilver Bell
Jasper AutumnPumpkin BlastCackling EchoLeft-handedSilver HairSalt Powder
Zephyr FallVine TangleLantern FlareRight-handedSilver HairSilver Bell
Jack LanternGlow ShockSpell ShieldLeft-handedSilver HairMoon Water
Fiona FoxBroom ZoomShadow CloakLeft-handedOrange HairSilver Bell
Bramble FinchVine TangleSpider SwarmRight-handedOrange HairSalt Powder
Gulliver GhostLeaf SwirlLantern FlareRight-handedSilver HairSilver Bell
Esme EmberLeaf SwirlCackling EchoLeft-handedSilver HairSilver Bell
Willow WoodGlow ShockCackling EchoRight-handedOrange HairMoon Water
Piper PumpkinBroom ZoomShadow CloakRight-handedOrange HairMoon Water
Rowan LeafVine TangleLantern FlareLeft-handedOrange HairSilver Bell
Thistle ThornBroom ZoomCackling EchoRight-handedBlack HairSilver Bell
Mona MoonVine TangleSpell ShieldLeft-handedOrange HairSalt Powder
Cora CobwebPumpkin BlastShadow CloakRight-handedOrange HairMoon Water
Clue 1

Multiplication facts (1-12)

We found rows of glowing lanterns in the dark barn. Multiply the rows to reveal the first hidden 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
84
3
8
9
45
72
72
120
45
20
110
10
8
1
20
10
T
84
44
1
8
1
3
120
110
10
24
27
72
10
120
144
7 × 12 =T
4 × 6 =W
1 × 10 =O
3 × 1 =H
11 × 4 =U
8 × 9 =L
2 × 10 =N
3 × 9 =C
11 × 10 =D
4 × 2 =E
3 × 3 =V
12 × 12 =K
12 × 10 =A
1 × 1 =S
9 × 5 =I
0/15 letters found
Clue 2

Rounding

The spell meter on the altar shows an exact number. Round it to the nearest ten to unlock the 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
70
370
1300
500
30
500
9000
1300
1700
T
70
430
1300
1100
T
70
2000
430
1300
1100
T
70
370
2000
50
2900
1300
2900
9000
130
110
50
T
70
Round 72 to the nearest tenT
Round 110 to the nearest tenI
Round 1,127 to the nearest hundredF
Round 1,687 to the nearest hundredC
Round 9,486 to the nearest thousandP
Round 1,790 to the nearest thousandA
Round 1,256 to the nearest hundredE
Round 427 to the nearest tenL
Round 132 to the nearest tenR
Round 547 to the nearest hundredS
Round 2,898 to the nearest hundredD
Round 51 to the nearest tenN
Round 368 to the nearest tenH
Round 31 to the nearest tenU
0/14 letters found
Clue 3

Addition

Counting up all the scattered magic leaves gives us a total count and unveils 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.

A
2452
9249
8751
2041
9796
9115
8138
5415
9115
2041
2041
9249
4007
A
2452
8138
9115
9490
8118
3636
9115
9796
8751
2041
2041
A
2452
8751
7354
1567 + 885 =A
3692 + 5798 =D
2942 + 5176 =T
3394 + 2021 =B
4285 + 3069 =N
1779 + 1857 =H
4084 + 5031 =E
683 + 1358 =L
1449 + 2558 =C
6183 + 3613 =V
4893 + 4356 =S
4575 + 4176 =I
3508 + 4630 =R
0/13 letters found
Clue 4

Subtraction

Subtract the crushed pumpkins from the full harvest to figure out what was taken.

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

S
7570
4868
7791
1565
3612
5054
2961
4291
4868
5054
8406
4291
S
7570
6286
4191
8780
7571
3625
7571
3612
4291
5054
7039
2961
3612
5921
8780
7241
5921
7312
4868
7571
10646 - 3076 =S
7448 - 1527 =P
6603 - 1549 =R
10208 - 2967 =M
3247 - 286 =H
8165 - 4540 =D
12314 - 3908 =W
4794 - 1182 =E
11604 - 4565 =T
5464 - 3899 =V
9271 - 1959 =K
8204 - 633 =N
6086 - 1895 =O
12744 - 3964 =U
9756 - 4888 =I
7298 - 3007 =A
7069 - 783 =F
8414 - 623 =L
0/18 letters found
Clue 5

Division facts (1-12) — the last clue

Sharing the potion bottles equally among the brew cauldrons opens the final secret door!

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
56 ÷ 7 = ?
99 ÷ 11 = ?
11 ÷ 11 = ?
70 ÷ 10 = ?
50 ÷ 5 = ?
55 ÷ 5 = ?
16 ÷ 4 = ?
30 ÷ 10 = ?
60 ÷ 12 = ?
12 ÷ 2 = ?
24 ÷ 12 = ?
Step 2 — cross out the sentence with each answer
1.The villain zoomed past on a glowing broomstick, then echoed a spooky cackle through the woods.
2.The villain lit up the lanterns with orange fire, then cast a spell shield to block the guard.
3.The villain lit up the lanterns with orange fire, then wrapped up in a shadowy cloak.
4.The villain tangled the patch with giant vines, then cast a spell shield to block the guard.
5.The villain blew a gale of crunching autumn leaves, then cast a spell shield to block the guard.
6.The villain tangled the patch with giant vines, then echoed a spooky cackle through the woods.
7.The villain blasted a carved pumpkin with leaf sparks, then summoned a swarm of glowing spiders.
8.The villain zoomed past on a glowing broomstick, then flashed a bright lantern flare.
9.The villain blew a gale of crunching autumn leaves, then echoed a spooky cackle through the woods.
10.The villain blew a gale of crunching autumn leaves, then flashed a bright lantern flare.
11.The villain tangled the patch with giant vines, then wrapped up in a shadowy cloak.
12.The villain tangled the patch with giant vines, then flashed a bright lantern flare.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 4 math
Math topics
Multiplication, Rounding, Addition, Subtraction, Division
Reading level
grades 3-4
Theme
The Mystery of the Missing Great Lantern — set in The Autumn Moon Pumpkin Patch
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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