Math Mysteries
🔎 Katseye,reading,books,golfGrade 5Reading: grades 5-6Fractions of a numberOrder of operationsMultiplicationRoundingDivision

The Literary Links Heist

The Golden Bookmark Trophy has vanished right before the final round of the Katseye Invitational Literary Golf Classic! A mysterious note says the trophy will only be returned if we can solve the math riddles scattered across the eighteen holes. Grab your putter and your favorite chapter book, detective, because we have a mystery to solve!

Suspects

Possible suspects

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

21 of 21 still in play
Namesignature golf swingspecial accessorystance tellhair lookknown weakness
Nelly Kordavocal sonic boomconfetti blasterright handed gripneon pink visor hairheavy dust allergies
Lexi Thompsoniron wedge swingingshadow step walkright handed gripneon pink visor hairheavy dust allergies
Sophiairon wedge swinginglaser pointer sightleft handed gripink stained braidsshiny gold trophies
Ruoning Yingolf ball teleportationshadow step walkright handed gripgolden ponytailheavy dust allergies
Patty Tavatanakitsuper speed readingpage turning windright handed gripgolden ponytailheavy dust allergies
Brooke Hendersongolf ball teleportationhover golf shoesright handed gripneon pink visor hairshiny gold trophies
Celine Boutieriron wedge swingingshadow step walkleft handed gripneon pink visor hairloud pop music
Meganiron wedge swinginghover golf shoesright handed gripgolden ponytailshiny gold trophies
Danielasuper speed readinghover golf shoesleft handed gripgolden ponytailheavy dust allergies
Lydia Kogolf ball teleportationlaser pointer sightleft handed gripneon pink visor hairloud pop music
Jin Young Kogolf ball teleportationhover golf shoesleft handed gripneon pink visor hairheavy dust allergies
Linn Grantbook spine climbingconfetti blasterleft handed gripink stained braidsloud pop music
Laravocal sonic boomlaser pointer sightleft handed gripink stained braidsshiny gold trophies
Maja Starkgolf ball teleportationlaser pointer sightright handed gripink stained braidsshiny gold trophies
Lilia Vugolf ball teleportationhover golf shoesright handed gripgolden ponytailheavy dust allergies
Yuka Sasosuper speed readinglaser pointer sightright handed gripneon pink visor hairshiny gold trophies
Georgia Hallvocal sonic boomlaser pointer sightleft handed gripgolden ponytailheavy dust allergies
Minjee Leevocal sonic boomlaser pointer sightright handed gripgolden ponytailheavy dust allergies
Charley Hullgolf ball teleportationpage turning windright handed gripink stained braidsheavy dust allergies
Gaby Lopezbook spine climbingshadow step walkright handed gripgolden ponytailheavy dust allergies
Yoonchaegolf ball teleportationpage turning windleft handed gripgolden ponytailloud pop music
Clue 1

Fractions of a number

The suspect left behind a ripped scorecard in the bunker. We have to calculate what fraction of the holes they played to find our 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
14
5
32
17
2
30
30
29
2
27
9
13
32
7
27
13
T
14
5
29
17
32
20
29
36
32
T
14
18
19
27
2
27
36
22
2
27
9
1/10 of 140 =T
2/4 of 26 =O
6/10 of 60 =G
1/4 of 8 =I
1/4 of 72 =U
2/8 of 68 =V
1/3 of 15 =H
1/4 of 80 =P
3/6 of 58 =A
1/8 of 56 =S
2/4 of 60 =L
6/10 of 15 =D
2/4 of 54 =N
4/8 of 38 =R
1/5 of 110 =W
1/5 of 160 =E
0/16 letters found
Clue 2

Order of operations

At the practice range, the golf ball retriever machine got completely scrambled. Solve this multi-step equation to unlock the machine log for our 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
72
47
42
26
69
26
53
42
21
T
72
26
51
59
46
74
26
51
59
T
72
47
80
38
59
74
47
T
72
47
80
46
40
42
40
74
38
59
53
7 × 12 - 12 =T
11 + 5 × 2 =C
10 × 8 - 27 =P
7 × 8 - 30 =S
4 + 6 × 6 =D
6 × 10 - 22 =R
5 × 10 - 4 =N
23 + 4 × 7 =W
8 × 8 - 5 =I
33 + 2 × 7 =H
10 × 9 - 16 =G
18 + 6 × 4 =E
59 + 7 × 3 =A
55 + 2 × 7 =U
0/14 letters found
Clue 3

Multiplication facts (1-12)

A stack of Katseye albums was found stacked in neat rows near the locker room. Let us multiply the rows to find out which weakness the suspect has.

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

O
35
18
60
40
O
35
O
35
88
60
30
55
120
5
12
60
33
120
66
33
5
55
54
33
33
4
33
12
54
60
121
30
54
7 × 5 =O
12 × 10 =T
2 × 9 =L
6 × 10 =D
5 × 1 =M
11 × 11 =R
9 × 6 =N
11 × 6 =H
2 × 2 =Z
11 × 8 =K
5 × 8 =B
4 × 3 =A
5 × 6 =U
11 × 3 =E
11 × 5 =S
0/15 letters found
Clue 4

Rounding

The high-tech yardage finder on the fairway is giving fuzzy numbers. We must round the yardage to the nearest ten to clear up the screen and see the suspect's hair color.

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
3000
700
1300
20
A
3000
7000
2300
200
70
A
3000
170
200
130
2300
4300
7000
30
200
7000
1100
1300
A
3000
110
130
430
A
3000
700
130
4300
70
1300
Round 3,398 to the nearest thousandA
Round 1,275 to the nearest hundredT
Round 26 to the nearest tenP
Round 74 to the nearest tenF
Round 106 to the nearest tenI
Round 4,273 to the nearest hundredE
Round 430 to the nearest tenW
Round 7,257 to the nearest thousandN
Round 1,080 to the nearest hundredY
Round 195 to the nearest hundredO
Round 2,332 to the nearest hundredD
Round 173 to the nearest tenG
Round 129 to the nearest tenL
Round 21 to the nearest tenR
Round 730 to the nearest hundredS
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

We found a pile of mystery bookmarks dropped on the putting green. If we divide them equally among the players, we can uncover the secret swing style.

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
21 ÷ 3 = ?
3 ÷ 1 = ?
10 ÷ 1 = ?
24 ÷ 2 = ?
8 ÷ 4 = ?
30 ÷ 5 = ?
66 ÷ 6 = ?
1 ÷ 1 = ?
16 ÷ 4 = ?
15 ÷ 3 = ?
96 ÷ 12 = ?
Step 2 — cross out the sentence with each answer
1.The villain teleports using a golf ball, then fires a colorful confetti blaster.
2.The villain scales the book spines to the roof, then zooms away on hover golf shoes.
3.The villain teleports using a golf ball, then disappears with a shadow step walk.
4.The villain swings an iron wedge like a pro, then disappears with a shadow step walk.
5.The villain swings an iron wedge like a pro, then blasts a mighty page turning wind.
6.The villain lets loose a vocal sonic boom, then blasts a mighty page turning wind.
7.The villain lets loose a vocal sonic boom, then aims a glowing laser pointer sight.
8.The villain teleports using a golf ball, then blasts a mighty page turning wind.
9.The villain teleports using a golf ball, then zooms away on hover golf shoes.
10.The villain scales the book spines to the roof, then disappears with a shadow step walk.
11.The villain speeds through books at lightspeed, then zooms away on hover golf shoes.
12.The villain swings an iron wedge like a pro, then fires a colorful confetti blaster.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Fractions of a number, Order of operations, Multiplication, Rounding, Division
Reading level
grades 5-6
Theme
The Literary Links Heist — set in The Grand Library and Country Club
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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