Math Crackers
🏀 BasketballGrade 1Reading: grades 1-2Fractions of a numberAdditionSubtractionSkip counting

The Mystery of the Missing Championship Trophy

Someone took the shiny championship trophy right before the final basketball game! Detective Leo is on the case to find out which player did it.

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 ShotLucky GearShooting HandHeadband ColorBench Snack
Paul GeorgeBank ShotWristbandRight HandedBlue HeadbandPretzels
James HardenDunk BlastSparkle BallLeft HandedRed HeadbandIce Water
Klay ThompsonSpin LayupGolden WhistleLeft HandedRed HeadbandIce Water
Jayson TatumDunk BlastSparkle BallLeft HandedGold HeadbandPretzels
Jimmy ButlerBank ShotNeon ShoesLeft HandedRed HeadbandOrange Slices
Kevin DurantSky HookNeon ShoesLeft HandedRed HeadbandOrange Slices
Joel EmbiidBank ShotWristbandRight HandedBlue HeadbandOrange Slices
Damian LillardBank ShotNeon ShoesLeft HandedBlue HeadbandOrange Slices
DeAaron FoxDunk BlastHigh SocksLeft HandedBlue HeadbandOrange Slices
Chris PaulSpin LayupWristbandRight HandedBlue HeadbandPretzels
Devin BookerSky HookGolden WhistleLeft HandedRed HeadbandOrange Slices
Zion WilliamsonSpin LayupWristbandLeft HandedBlue HeadbandIce Water
Kyrie IrvingSpin LayupHigh SocksRight HandedRed HeadbandOrange Slices
Anthony DavisDunk BlastSparkle BallLeft HandedRed HeadbandOrange Slices
Donovan MitchellHalfcourt SwishHigh SocksLeft HandedRed HeadbandOrange Slices
Giannis AntetokounmpoBank ShotHigh SocksRight HandedBlue HeadbandIce Water
Luka DoncicHalfcourt SwishWristbandLeft HandedBlue HeadbandPretzels
Trae YoungSpin LayupNeon ShoesRight HandedRed HeadbandOrange Slices
Bam AdebayoBank ShotGolden WhistleLeft HandedGold HeadbandOrange Slices
Ja MorantSky HookNeon ShoesRight HandedGold HeadbandPretzels
Nikola JokicDunk BlastWristbandLeft HandedGold HeadbandOrange Slices
Clue 1

Fractions of a number

Coach Sam looks at half of the basketballs to find a small secret mark.

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
32
10
8
T
32
11
26
2
10
18
36
21
13
33
29
T
32
33
26
8
24
13
26
T
32
10
21
31
8
21
24
2
21
11
20
40
8
36
21
40
40
1/3 of 96 =T
1/3 of 24 =E
1/2 of 36 =Y
4/8 of 66 =D
2/6 of 87 =I
2/10 of 55 =R
2/10 of 10 =P
8/10 of 45 =B
2/8 of 96 =S
2/4 of 52 =O
8/10 of 50 =L
7/8 of 24 =A
2/6 of 30 =H
4/8 of 26 =N
3/6 of 62 =V
4/5 of 25 =K
0/16 letters found
Clue 2

Addition

Detective Leo adds up all the gym tickets to open the locker room door.

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
18
7
20
T
18
16
2
17
7
15
3
5
11
10
9
T
18
9
8
5
12
20
19
T
18
7
5
11
10
20
10
17
12
5
15
20
16
8 + 10 =T
1 + 1 =O
6 + 9 =Y
3 + 8 =N
8 + 4 =L
6 + 10 =R
2 + 3 =A
2 + 7 =I
11 + 6 =P
4 + 3 =H
3 + 5 =S
9 + 11 =E
9 + 10 =F
7 + 3 =D
1 + 2 =B
0/15 letters found
Clue 3

Subtraction

The mascot takes away the flat balls to reveal a hint written underneath.

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
11
10
13
T
11
16
1
17
10
9
4
14
7
8
5
T
11
18
13
15
T
11
1
16
14
7
3
13
12
18
5
19
13
12
1
7
T
11
10
13
15
18
1
1
16
14 - 3 =T
11 - 6 =I
14 - 6 =D
19 - 7 =S
11 - 7 =B
20 - 1 =C
14 - 5 =Y
12 - 9 =G
16 - 3 =E
20 - 2 =L
18 - 1 =P
13 - 6 =N
3 - 2 =O
17 - 3 =A
17 - 7 =H
17 - 1 =R
16 - 1 =F
0/17 letters found
Clue 4

Skip counting

Coach Sam counts the sneaker boxes by twos to locate the missing key.

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

Fractions of a number — the last clue

Detective Leo checks one third of the playbooks to uncover a hidden note.

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
1/10 of 20 = ?
4/10 of 10 = ?
2/4 of 20 = ?
1/5 of 40 = ?
3/6 of 12 = ?
2/6 of 15 = ?
1/2 of 24 = ?
1/2 of 14 = ?
3/4 of 12 = ?
6/10 of 5 = ?
5/10 of 22 = ?
Step 2 — cross out the sentence with each answer
1.The villain sinks a sky hook, then blew the golden whistle.
2.The villain sinks a sky hook, then laced up neon shoes.
3.The villain spun past defenders, then laced up neon shoes.
4.The villain swished from half court, then pulled up high socks.
5.The villain dunked the basketball, then bounced the sparkle ball.
6.The villain swished from half court, then bounced the sparkle ball.
7.The villain swished from half court, then blew the golden whistle.
8.The villain sinks a sky hook, then pulled up high socks.
9.The villain spun past defenders, then adjusted a wristband.
10.The villain banked in a shot, then laced up neon shoes.
11.The villain banked in a shot, then bounced the sparkle ball.
12.The villain sinks a sky hook, then bounced the sparkle ball.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 1 math
Math topics
Fractions of a number, Addition, Subtraction, Skip counting
Reading level
grades 1-2
Theme
The Mystery of the Missing Championship Trophy — set in The Big Hoop Arena
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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