🔎 HalloweenGrade 2Reading: grades 1-2RoundingPlace valueAdditionSubtractionMissing addends
The Mystery of the Golden Pumpkin
Someone snuck into the patch and stole the grand Golden Pumpkin! Solve the math clues to catch 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
| Name | Spooky Magic | Halloween Gadget | Handedness | Hat Color | Treat Dislike |
|---|---|---|---|---|---|
| Elphaba Broom | Floating Broom | Candy Magnet | Right handed | Orange Hat | Sour Apples |
| Glinda Witch | Floating Broom | Slime Blaster | Left handed | Orange Hat | Sour Apples |
| Hagrid Giant | Ghostly Howl | Fog Machine | Right handed | Orange Hat | Sour Apples |
| Count Vlad | Shadow Cloak | Candy Magnet | Left handed | Orange Hat | Chocolate Bars |
| Morticia Addams | Ghostly Howl | Fog Machine | Left handed | Orange Hat | Candy Corn |
| Mummy Mo | Shadow Cloak | Fog Machine | Right handed | Orange Hat | Chocolate Bars |
| Gomez Addams | Ghostly Howl | Glow Lantern | Left handed | Orange Hat | Chocolate Bars |
| Bride Frankie | Pumpkin Beam | Slime Blaster | Left handed | Orange Hat | Candy Corn |
| Mary Sanderson | Ghostly Howl | Glow Lantern | Left handed | Purple Hat | Sour Apples |
| Buster Bone | Floating Broom | Fog Machine | Right handed | Purple Hat | Sour Apples |
| Wolfman Jack | Shadow Cloak | Candy Magnet | Left handed | Orange Hat | Sour Apples |
| Pugsley Addams | Pumpkin Beam | Fog Machine | Right handed | Purple Hat | Sour Apples |
| Draco Malfoy | Bat Swarm | Candy Magnet | Left handed | Orange Hat | Sour Apples |
| Mavis Dracula | Floating Broom | Candy Magnet | Left handed | Black Hat | Sour Apples |
| Sally Skellington | Bat Swarm | Glow Lantern | Left handed | Purple Hat | Sour Apples |
| Igor Helper | Bat Swarm | Glow Lantern | Left handed | Orange Hat | Sour Apples |
| Winnie Sanderson | Bat Swarm | Spider Net | Left handed | Black Hat | Sour Apples |
| Sarah Sanderson | Pumpkin Beam | Fog Machine | Left handed | Black Hat | Chocolate Bars |
| Casper Ghost | Bat Swarm | Fog Machine | Left handed | Black Hat | Candy Corn |
| Luna Lovegood | Ghostly Howl | Spider Net | Left handed | Purple Hat | Chocolate Bars |
| Jack Lantern | Ghostly Howl | Fog Machine | Left handed | Orange Hat | Sour Apples |
Clue 1
Rounding
The spooky owl radar only shows numbers rounded to the nearest ten.
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
20
400
800
600
70
300
300
700
70
900
30
200
800
60
900
200
T
20
80
60
800
700
500
200
40
50
700
90
400
70
900
800
Round 21 to the nearest tenT
Round 845 to the nearest hundredE
Round 636 to the nearest hundredV
Round 331 to the nearest hundredL
Round 44 to the nearest tenG
Round 920 to the nearest hundredN
Round 238 to the nearest hundredO
Round 90 to the nearest tenC
Round 30 to the nearest tenD
Round 468 to the nearest hundredF
Round 47 to the nearest tenM
Round 431 to the nearest hundredH
Round 64 to the nearest tenS
Round 74 to the nearest tenI
Round 76 to the nearest tenU
Round 672 to the nearest hundredA
0/16 letters found
Clue 2
Place value
The pumpkin crate digital lock uses digits for tens and ones.
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
99
41
33
90
67
35
35
35
93
W
99
69
67
24
33
70
93
90
14
67
14
74
88
41
90
33
97
90
83
69
93
35
35
What number has 9 tens and 9 ones?W
What number has 3 tens and 5 ones?S
What number has 7 tens and 4 ones?P
What number has 7 tens and 0 ones?H
What number has 6 tens and 9 ones?L
What number has 6 tens and 7 ones?E
What number has 8 tens and 8 ones?R
What number has 9 tens and 3 ones?A
What number has 9 tens and 0 ones?N
What number has 8 tens and 3 ones?G
What number has 2 tens and 4 ones?F
What number has 3 tens and 3 ones?T
What number has 9 tens and 7 ones?O
What number has 4 tens and 1 one?I
What number has 1 ten and 4 ones?D
0/15 letters found
Clue 3
Addition
We count up all the treats found along the dark path.
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
34
60
75
63
57
64
30
75
64
70
60
57
37
75
71
T
34
60
75
30
39
63
63
73
76
T
34
60
37
39
68
64
57
52
52
69
75
37
11 + 23 =T
23 + 53 =I
22 + 35 =A
38 + 31 =L
29 + 42 =D
23 + 37 =H
51 + 24 =E
22 + 42 =R
11 + 28 =O
14 + 16 =M
40 + 33 =W
25 + 45 =C
30 + 38 =U
19 + 33 =P
42 + 21 =F
11 + 26 =S
0/16 letters found
Clue 4
Subtraction
We figure out how many candy corn pieces are missing from the jar.
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
71
18
38
57
A
71
18
28
62
58
A
71
49
35
49
57
A
71
18
48
82
A
71
35
53
38
54
18
48
A
71
49
35
63
62
18
62
102 - 31 =A
71 - 22 =T
65 - 7 =H
62 - 24 =O
97 - 35 =E
73 - 38 =S
83 - 1 =W
81 - 24 =R
57 - 4 =F
53 - 5 =D
93 - 39 =U
91 - 28 =C
22 - 4 =N
35 - 7 =G
0/14 letters found
Clue 5
Missing addends — the last clue
We need to find the missing treat box to open the gate.
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
9 + ___ = 21
9 + ___ = 16
2 + ___ = 7
7 + ___ = 9
4 + ___ = 5
4 + ___ = 12
6 + ___ = 15
10 + ___ = 21
9 + ___ = 15
6 + ___ = 16
3 + ___ = 6
Step 2 — cross out the sentence with each answer
1.The villain summoned a bat swarm, then trapped treats in a spider net.
2.The villain let out a loud howl, then lit up a glow lantern.
3.The villain flew on a broomstick, then pulled candy with a magnet.
4.The villain flew on a broomstick, then sprayed gooey slime.
5.The villain wrapped in a cloak, then pulled candy with a magnet.
6.The villain let out a loud howl, then sprayed gooey slime.
7.The villain summoned a bat swarm, then pulled candy with a magnet.
8.The villain blasted a pumpkin beam, then pulled candy with a magnet.
9.The villain let out a loud howl, then trapped treats in a spider net.
10.The villain blasted a pumpkin beam, then lit up a glow lantern.
11.The villain let out a loud howl, then pumped out thick fog.
12.The villain summoned a bat swarm, then lit up a glow lantern.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Golden Pumpkin
Culprit: Glinda Witch (Floating Broom · Slime Blaster · Left handed · Orange Hat · Sour Apples)
- Clue 1 (Rounding): "THE VILLAIN DOES NOT USE A FOG MACHINE"Round 21 to the nearest ten = 20 (T) · Round 845 to the nearest hundred = 800 (E) · Round 636 to the nearest hundred = 600 (V) · Round 331 to the nearest hundred = 300 (L) · Round 44 to the nearest ten = 40 (G) · Round 920 to the nearest hundred = 900 (N) · Round 238 to the nearest hundred = 200 (O) · Round 90 to the nearest ten = 90 (C) · Round 30 to the nearest ten = 30 (D) · Round 468 to the nearest hundred = 500 (F) · Round 47 to the nearest ten = 50 (M) · Round 431 to the nearest hundred = 400 (H) · Round 64 to the nearest ten = 60 (S) · Round 74 to the nearest ten = 70 (I) · Round 76 to the nearest ten = 80 (U) · Round 672 to the nearest hundred = 700 (A)
- Clue 2 (Place value): "WITNESS SAW LEFT HANDED PRINT ON GLASS"What number has 9 tens and 9 ones? = 99 (W) · What number has 3 tens and 5 ones? = 35 (S) · What number has 7 tens and 4 ones? = 74 (P) · What number has 7 tens and 0 ones? = 70 (H) · What number has 6 tens and 9 ones? = 69 (L) · What number has 6 tens and 7 ones? = 67 (E) · What number has 8 tens and 8 ones? = 88 (R) · What number has 9 tens and 3 ones? = 93 (A) · What number has 9 tens and 0 ones? = 90 (N) · What number has 8 tens and 3 ones? = 83 (G) · What number has 2 tens and 4 ones? = 24 (F) · What number has 3 tens and 3 ones? = 33 (T) · What number has 9 tens and 7 ones? = 97 (O) · What number has 4 tens and 1 one? = 41 (I) · What number has 1 ten and 4 ones? = 14 (D)
- Clue 3 (Addition): "THE FARMER CHASED THEM OFF WITH SOUR APPLES"11 + 23 = 34 (T) · 23 + 53 = 76 (I) · 22 + 35 = 57 (A) · 38 + 31 = 69 (L) · 29 + 42 = 71 (D) · 23 + 37 = 60 (H) · 51 + 24 = 75 (E) · 22 + 42 = 64 (R) · 11 + 28 = 39 (O) · 14 + 16 = 30 (M) · 40 + 33 = 73 (W) · 25 + 45 = 70 (C) · 30 + 38 = 68 (U) · 19 + 33 = 52 (P) · 42 + 21 = 63 (F) · 11 + 26 = 37 (S)
- Clue 4 (Subtraction): "AN ORANGE HAT STRAND WAS FOUND AT SCENE"102 - 31 = 71 (A) · 71 - 22 = 49 (T) · 65 - 7 = 58 (H) · 62 - 24 = 38 (O) · 97 - 35 = 62 (E) · 73 - 38 = 35 (S) · 83 - 1 = 82 (W) · 81 - 24 = 57 (R) · 57 - 4 = 53 (F) · 53 - 5 = 48 (D) · 93 - 39 = 54 (U) · 91 - 28 = 63 (C) · 22 - 4 = 18 (N) · 35 - 7 = 28 (G)
- Clue 5 (Missing addends): surviving statement (box 4) → Glinda Witch9 + ___ = 21 = 12 · 9 + ___ = 16 = 7 · 2 + ___ = 7 = 5 · 7 + ___ = 9 = 2 · 4 + ___ = 5 = 1 · 4 + ___ = 12 = 8 · 6 + ___ = 15 = 9 · 10 + ___ = 21 = 11 · 9 + ___ = 15 = 6 · 6 + ___ = 16 = 10 · 3 + ___ = 6 = 3
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Rounding, Place value, Addition, Subtraction, Missing addends
- Reading level
- grades 1-2
- Theme
- The Mystery of the Golden Pumpkin — set in Spooky Orchard Pumpkin Patch
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects