🐱 Aurors in Harry Potter catchGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
The Dark Wizard Hunt
An emergency alarm has sounded in the Ministry! A sneaky Dark Wizard has slipped into the vaults to steal restricted spellbooks. Secure the exits, grab your wand, and help the Aurors crack the case!
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 | Magic Specialty | Dark Object | Wand Hand | Hair Color | Counter Spell |
|---|---|---|---|---|---|
| Rabastan Lestrange | Mind Control | Shadow Cloak | Right wand hand | Sandy blond hair | Shield Charm |
| Augustus Rookwood | Mind Control | Poison Quill | Left wand hand | Sandy blond hair | Reductor Curse |
| Regulus Black | Illusion Magic | Dark Mark Ink | Left wand hand | Ink black hair | Shield Charm |
| Alecto Carrow | Transfiguration | Cursed Ring | Left wand hand | Sandy blond hair | Reductor Curse |
| Mad-Eye Moody | Mind Control | Poison Quill | Left wand hand | Sandy blond hair | Stunning Spell |
| Walden Macnair | Mind Control | Dark Mark Ink | Right wand hand | Silver hair | Reductor Curse |
| Narcissa Malfoy | Potion Making | Dark Mark Ink | Left wand hand | Silver hair | Stunning Spell |
| Bellatrix Lestrange | Mind Control | Howler Box | Right wand hand | Silver hair | Shield Charm |
| Antonin Dolohov | Mind Control | Howler Box | Right wand hand | Silver hair | Stunning Spell |
| Rodolphus Lestrange | Potion Making | Poison Quill | Right wand hand | Sandy blond hair | Reductor Curse |
| Peter Pettigrew | Illusion Magic | Cursed Ring | Left wand hand | Sandy blond hair | Shield Charm |
| Amycus Carrow | Dark Curses | Howler Box | Right wand hand | Ink black hair | Reductor Curse |
| Gregory Goyle | Illusion Magic | Dark Mark Ink | Right wand hand | Silver hair | Reductor Curse |
| Kingsley Shacklebolt | Mind Control | Howler Box | Left wand hand | Silver hair | Stunning Spell |
| Remus Lupin | Transfiguration | Dark Mark Ink | Left wand hand | Sandy blond hair | Reductor Curse |
| Igor Karkaroff | Dark Curses | Howler Box | Left wand hand | Sandy blond hair | Reductor Curse |
| Nymphadora Tonks | Dark Curses | Poison Quill | Right wand hand | Ink black hair | Stunning Spell |
| Thorfinn Rowle | Potion Making | Shadow Cloak | Left wand hand | Ink black hair | Stunning Spell |
| Corban Yaxley | Potion Making | Shadow Cloak | Left wand hand | Sandy blond hair | Reductor Curse |
| Sirius Black | Illusion Magic | Dark Mark Ink | Left wand hand | Ink black hair | Stunning Spell |
| Draco Malfoy | Mind Control | Shadow Cloak | Left wand hand | Silver hair | Reductor Curse |
Clue 1
Rounding
The magical radar in the Auror Office only shows rounded numbers. We must round the broomstick speeds to find the first 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
1100
20
300
2000
700
30
30
230
700
430
290
900
300
2900
430
900
T
1100
20
230
2000
300
230
20
900
3000
30
300
110
50
900
370
Round 1,073 to the nearest hundredT
Round 107 to the nearest tenR
Round 2,902 to the nearest hundredS
Round 21 to the nearest tenH
Round 907 to the nearest hundredO
Round 226 to the nearest tenA
Round 727 to the nearest hundredI
Round 1,601 to the nearest thousandV
Round 286 to the nearest tenD
Round 374 to the nearest tenX
Round 3,417 to the nearest thousandW
Round 338 to the nearest hundredE
Round 28 to the nearest tenL
Round 434 to the nearest tenN
Round 49 to the nearest tenB
0/15 letters found
Clue 2
Addition
We need to count all the sneaky dark marks drawn on the walls. Add up the total marks to unlock this 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
6463
4548
2930
2472
9348
7553
9648
4669
9150
2930
2472
9348
6665
2930
3161
5481
2930
7553
4548
8466
2674
7553
4669
9150
2930
3298
T
6463
2674
4669
3161
6665
4548
4669
3161
6665
4416 + 2047 =T
1477 + 1821 =F
1669 + 1492 =N
3456 + 5010 =O
1385 + 1289 =W
2696 + 2785 =C
3615 + 6033 =U
5663 + 3487 =L
1087 + 1385 =V
5245 + 2308 =S
3641 + 3024 =D
1203 + 1727 =E
5189 + 4159 =I
1690 + 2979 =A
1492 + 3056 =H
0/15 letters found
Clue 3
Subtraction
A sneaky thief took some exploding bonbons from the desk. Subtract the stolen sweets from the pile to see what remains.
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
1446
8652
1857
1306
1857
8760
2640
8286
T
1446
4126
1306
8286
2640
1306
2176
1857
7887
6828
7037
7037
2176
T
1446
4126
5390
T
1446
8652
6828
2176
1857
2085
1857
4981
6941
5114 - 3668 =T
9705 - 2668 =L
6901 - 4261 =U
4366 - 2190 =S
8646 - 3256 =P
12426 - 3774 =H
7287 - 2306 =M
1626 - 320 =R
9136 - 2308 =I
8793 - 1852 =Y
7632 - 3506 =O
9799 - 1513 =C
11793 - 3906 =W
5205 - 3348 =E
9147 - 387 =D
3934 - 1849 =N
0/16 letters found
Clue 4
Multiplication facts (1-12)
The potion ingredients are kept in neat rows. Multiply the rows of Mandrake leaves to reveal 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.
T
88
10
108
7
108
40
T
88
70
108
10
3
27
24
10
50
3
9
66
50
22
22
50
27
24
45
70
7
21
27
24
11 × 8 =T
10 × 5 =A
3 × 7 =O
10 × 7 =B
2 × 11 =S
10 × 4 =F
10 × 1 =H
9 × 5 =Y
9 × 12 =E
6 × 4 =D
3 × 1 =I
7 × 1 =L
3 × 9 =N
9 × 1 =R
11 × 6 =W
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
We must share the protective amulets equally among our team of Aurors. Divide the stash to get 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
27 ÷ 3 = ?
12 ÷ 12 = ?
36 ÷ 6 = ?
40 ÷ 5 = ?
10 ÷ 2 = ?
70 ÷ 10 = ?
70 ÷ 7 = ?
60 ÷ 5 = ?
12 ÷ 3 = ?
8 ÷ 4 = ?
55 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain brews a sleeping draught, then vanishes in a cloud of smoke.
2.The villain sneaks into the potions lab, then flies away on a broomstick.
3.The villain taps the secret brick, then flies away on a broomstick.
4.The villain casts a freezing jinx, then disapparates with a loud pop.
5.The villain disguises themselves as a cat, then vanishes in a cloud of smoke.
6.The villain sneaks into the potions lab, then zips off using floo powder.
7.The villain casts a freezing jinx, then zips off using floo powder.
8.The villain brews a sleeping draught, then zips off using floo powder.
9.The villain brews a sleeping draught, then escapes through the fireplace.
10.The villain brews a sleeping draught, then flies away on a broomstick.
11.The villain taps the secret brick, then zips off using floo powder.
12.The villain brews a sleeping draught, then disapparates with a loud pop.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Dark Wizard Hunt
Culprit: Augustus Rookwood (Mind Control · Poison Quill · Left wand hand · Sandy blond hair · Reductor Curse)
- Clue 1 (Rounding): "THE VILLAIN DOES NOT HAVE A HOWLER BOX"Round 1,073 to the nearest hundred = 1100 (T) · Round 107 to the nearest ten = 110 (R) · Round 2,902 to the nearest hundred = 2900 (S) · Round 21 to the nearest ten = 20 (H) · Round 907 to the nearest hundred = 900 (O) · Round 226 to the nearest ten = 230 (A) · Round 727 to the nearest hundred = 700 (I) · Round 1,601 to the nearest thousand = 2000 (V) · Round 286 to the nearest ten = 290 (D) · Round 374 to the nearest ten = 370 (X) · Round 3,417 to the nearest thousand = 3000 (W) · Round 338 to the nearest hundred = 300 (E) · Round 28 to the nearest ten = 30 (L) · Round 434 to the nearest ten = 430 (N) · Round 49 to the nearest ten = 50 (B)
- Clue 2 (Addition): "THE VISUAL EVIDENCE SHOWS A LEFT WAND HAND"4416 + 2047 = 6463 (T) · 1477 + 1821 = 3298 (F) · 1669 + 1492 = 3161 (N) · 3456 + 5010 = 8466 (O) · 1385 + 1289 = 2674 (W) · 2696 + 2785 = 5481 (C) · 3615 + 6033 = 9648 (U) · 5663 + 3487 = 9150 (L) · 1087 + 1385 = 2472 (V) · 5245 + 2308 = 7553 (S) · 3641 + 3024 = 6665 (D) · 1203 + 1727 = 2930 (E) · 5189 + 4159 = 9348 (I) · 1690 + 2979 = 4669 (A) · 1492 + 3056 = 4548 (H)
- Clue 3 (Subtraction): "THE REDUCTOR CURSE WILL STOP THIS ENEMY"5114 - 3668 = 1446 (T) · 9705 - 2668 = 7037 (L) · 6901 - 4261 = 2640 (U) · 4366 - 2190 = 2176 (S) · 8646 - 3256 = 5390 (P) · 12426 - 3774 = 8652 (H) · 7287 - 2306 = 4981 (M) · 1626 - 320 = 1306 (R) · 9136 - 2308 = 6828 (I) · 8793 - 1852 = 6941 (Y) · 7632 - 3506 = 4126 (O) · 9799 - 1513 = 8286 (C) · 11793 - 3906 = 7887 (W) · 5205 - 3348 = 1857 (E) · 9147 - 387 = 8760 (D) · 3934 - 1849 = 2085 (N)
- Clue 4 (Multiplication facts (1-12)): "THE LEFT BEHIND HAIR WAS SANDY BLOND"11 × 8 = 88 (T) · 10 × 5 = 50 (A) · 3 × 7 = 21 (O) · 10 × 7 = 70 (B) · 2 × 11 = 22 (S) · 10 × 4 = 40 (F) · 10 × 1 = 10 (H) · 9 × 5 = 45 (Y) · 9 × 12 = 108 (E) · 6 × 4 = 24 (D) · 3 × 1 = 3 (I) · 7 × 1 = 7 (L) · 3 × 9 = 27 (N) · 9 × 1 = 9 (R) · 11 × 6 = 66 (W)
- Clue 5 (Division facts (1-12)): surviving statement (box 3) → Augustus Rookwood27 ÷ 3 = 9 · 12 ÷ 12 = 1 · 36 ÷ 6 = 6 · 40 ÷ 5 = 8 · 10 ÷ 2 = 5 · 70 ÷ 10 = 7 · 70 ÷ 7 = 10 · 60 ÷ 5 = 12 · 12 ÷ 3 = 4 · 8 ÷ 4 = 2 · 55 ÷ 5 = 11
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Dark Wizard Hunt — set in The Ministry of Magic's Auror Office
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects