Math Crackers
🏀 BasketballGrade 2Reading: grades 3-4Place valueSkip countingRoundingAdditionMissing addends

The Championship Trophy Mystery

Just hours before the final game, the golden championship trophy vanished from the arena lobby! The culprit left behind court marks and strange clues. Decipher the math clues to identify the thief among the players on the court.

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 MoveLucky GearShooting HandHairstyleCourt Weakness
Luka DoncicCrossoverWhistle LanyardRight HandedBraided CornrowsFull Court Press
Candace ParkerSlam DunkNeon HeadbandLeft HandedBraided CornrowsSqueaky Shoes
Joel EmbiidThree PointerWhistle LanyardLeft HandedCurly TopSqueaky Shoes
Nikola JokicThree PointerStriped SocksLeft HandedCurly TopSqueaky Shoes
Diana TaurasiCrossoverPadded SleevesLeft HandedCurly TopFull Court Press
Nneka OgwumikeNo Look PassNeon HeadbandLeft HandedBraided CornrowsBounce Pass
Giannis AntetokounmpoCrossoverNeon HeadbandRight HandedCurly TopSqueaky Shoes
Ja MorantSlam DunkHigh Top KicksRight HandedBraided CornrowsSqueaky Shoes
A'ja WilsonSky HookWhistle LanyardLeft HandedCurly TopFull Court Press
Kevin DurantNo Look PassPadded SleevesLeft HandedCurly TopSqueaky Shoes
Maya MooreNo Look PassPadded SleevesRight HandedCurly TopFull Court Press
Sheryl SwoopesCrossoverPadded SleevesLeft HandedBraided CornrowsFull Court Press
Skylar DigginsCrossoverStriped SocksRight HandedShort BuzzBounce Pass
Elena Delle DonneNo Look PassWhistle LanyardRight HandedCurly TopSqueaky Shoes
Kaitlyn ClarkSky HookStriped SocksLeft HandedCurly TopBounce Pass
Stephen CurryCrossoverNeon HeadbandLeft HandedBraided CornrowsBounce Pass
Lisa LeslieCrossoverNeon HeadbandRight HandedShort BuzzBounce Pass
Breanna StewartSky HookNeon HeadbandLeft HandedCurly TopSqueaky Shoes
Jayson TatumSky HookNeon HeadbandLeft HandedBraided CornrowsSqueaky Shoes
Sabrina IonescuSky HookWhistle LanyardLeft HandedCurly TopSqueaky Shoes
Devin BookerThree PointerHigh Top KicksLeft HandedBraided CornrowsBounce Pass
Clue 1

Place value

A digital keypad locked the trophy case. Check the place value of the digits on the locker to unlock 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
96
79
73
37
36
62
62
51
36
53
97
58
73
39
53
58
T
96
89
73
51
72
45
51
97
97
73
97
39
62
73
73
37
73
39
What number has 9 tens and 6 ones?T
What number has 7 tens and 9 ones?H
What number has 5 tens and 3 ones?N
What number has 7 tens and 3 ones?E
What number has 7 tens and 2 ones?R
What number has 4 tens and 5 ones?P
What number has 9 tens and 7 ones?D
What number has 3 tens and 6 ones?I
What number has 3 tens and 7 ones?V
What number has 3 tens and 9 ones?S
What number has 8 tens and 9 ones?W
What number has 6 tens and 2 ones?L
What number has 5 tens and 1 one?A
What number has 5 tens and 8 ones?O
0/14 letters found
Clue 2

Skip counting

The thief dropped player badges along the court lines. Count by twos down the sidelines to gather the badges and find the 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.

W
21
6
39
45
26
90
90
90
25
W
21
25
140
26
18
39
36
25
45
9
26
9
27
140
25
28
26
8
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27W
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55N
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15D
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10I
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33P
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30E
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24F
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32Y
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110S
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45T
0/14 letters found
Clue 3

Rounding

The electronic scoreboard only shows rounded team totals. Round the spectator counts to uncover the next piece of evidence.

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
200
400
30
70
800
70
60
30
300
T
200
70
T
200
500
60
60
30
900
50
700
500
80
70
20
800
30
90
40
600
70
400
500
30
70
Round 210 to the nearest hundredT
Round 251 to the nearest hundredC
Round 503 to the nearest hundredO
Round 21 to the nearest tenQ
Round 561 to the nearest hundredY
Round 46 to the nearest tenF
Round 701 to the nearest hundredR
Round 41 to the nearest tenK
Round 428 to the nearest hundredH
Round 801 to the nearest hundredU
Round 56 to the nearest tenP
Round 84 to the nearest tenM
Round 30 to the nearest tenE
Round 72 to the nearest tenS
Round 89 to the nearest tenA
Round 888 to the nearest hundredD
0/16 letters found
Clue 4

Addition

Add up the points scored in each quarter to complete the scorekeeper log and reveal who visited the bench.

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

F
63
91
62
95
96
58
87
62
84
78
60
64
91
50
54
58
93
84
58
64
64
54
77
34
87
77
95
77
42 + 21 =F
50 + 45 =N
29 + 25 =H
65 + 28 =I
12 + 22 =S
15 + 35 =P
30 + 48 =L
33 + 44 =E
25 + 39 =T
21 + 39 =Y
35 + 56 =O
36 + 60 =D
49 + 35 =R
34 + 28 =U
45 + 42 =C
36 + 22 =A
0/16 letters found
Clue 5

Missing addends — the last clue

Some practice cones are missing from the equipment rack. Find the missing addend to balance the inventory and catch the villain.

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
2 + ___ = 9
9 + ___ = 20
1 + ___ = 6
6 + ___ = 10
2 + ___ = 14
6 + ___ = 9
8 + ___ = 17
9 + ___ = 10
10 + ___ = 12
5 + ___ = 15
3 + ___ = 11
Step 2 — cross out the sentence with each answer
1.The villain tossed a no look pass, then laced up high top kicks.
2.The villain launched a sky hook, then straightened striped socks.
3.The villain did a crossover dribble, then grabbed a whistle lanyard.
4.The villain executed a slam dunk, then laced up high top kicks.
5.The villain launched a sky hook, then grabbed a whistle lanyard.
6.The villain hit a three pointer, then straightened striped socks.
7.The villain launched a sky hook, then adjusted a neon headband.
8.The villain tossed a no look pass, then pulled on padded sleeves.
9.The villain executed a slam dunk, then straightened striped socks.
10.The villain did a crossover dribble, then straightened striped socks.
11.The villain hit a three pointer, then grabbed a whistle lanyard.
12.The villain launched a sky hook, then pulled on padded sleeves.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 2 math
Math topics
Place value, Skip counting, Rounding, Addition, Missing addends
Reading level
grades 3-4
Theme
The Championship Trophy Mystery — set in Harbor City Arena
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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