Math Mysteries
Soccer, BasketballGrade 1Reading: grades 1-2AdditionPlace valueSubtractionSkip countingMissing addends

The Championship Cup Mystery

Someone took the shiny Championship Cup from the trophy case! The head referee needs your help to find which superstar player took it before the big game starts.

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 MoveSpecial GearShooting FootHeadband ColorScared By
MoHeader ShotWarmup JacketLeft FootedRed HeadbandBouncing Ball
BookerThree PointerWarmup JacketLeft FootedBlue HeadbandLoud Whistle
KevinBicycle KickGolden CleatsRight FootedRed HeadbandLoud Whistle
JimmyFast DribbleWrist BandsRight FootedBlue HeadbandBouncing Ball
TatumThree PointerWrist BandsRight FootedBlue HeadbandBouncing Ball
MartaHeader ShotWarmup JacketRight FootedRed HeadbandSqueaky Shoes
KyrieFast DribbleStriped SocksLeft FootedGreen HeadbandSqueaky Shoes
LukaSlam DunkStriped SocksRight FootedRed HeadbandSqueaky Shoes
DirkSlam DunkGolden CleatsRight FootedGreen HeadbandBouncing Ball
ChrisFast DribbleStriped SocksRight FootedGreen HeadbandBouncing Ball
MarcusThree PointerWarmup JacketRight FootedBlue HeadbandBouncing Ball
ChristianFast DribbleWrist BandsRight FootedBlue HeadbandSqueaky Shoes
HarryBicycle KickWrist BandsRight FootedRed HeadbandSqueaky Shoes
CristianoHeader ShotShiny High TopsRight FootedRed HeadbandLoud Whistle
YaoBicycle KickGolden CleatsLeft FootedGreen HeadbandBouncing Ball
MeganSlam DunkGolden CleatsRight FootedRed HeadbandSqueaky Shoes
NeymarBicycle KickGolden CleatsLeft FootedRed HeadbandSqueaky Shoes
LeBronBicycle KickShiny High TopsLeft FootedBlue HeadbandBouncing Ball
LionelFast DribbleShiny High TopsRight FootedBlue HeadbandSqueaky Shoes
StephFast DribbleStriped SocksLeft FootedGreen HeadbandBouncing Ball
JordanFast DribbleShiny High TopsRight FootedRed HeadbandSqueaky Shoes
Clue 1

Addition

Coach Pete wants to count the bright orange soccer cones on the field. Let us add the groups of cones to find the total.

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
9
3
T
11
9
18
3
19
2
20
3
10
5
20
T
11
15
3
8
13
10
T
11
13
18
6
3
2
10
20
4
17
10
8 + 3 =T
3 + 3 =P
9 + 11 =O
11 + 6 =K
12 + 6 =I
11 + 4 =W
1 + 1 =D
1 + 4 =N
2 + 7 =H
3 + 1 =C
10 + 9 =F
5 + 5 =S
1 + 2 =E
9 + 4 =R
5 + 3 =A
0/15 letters found
Clue 2

Place value

The scoreboard is flashing wild numbers. We must look at the tens and ones places to fix the screen and get a hint.

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
55
68
T
96
55
56
68
63
54
56
61
54
26
49
56
T
96
55
T
96
55
68
56
43
43
56
79
55
T
96
63
88
88
T
96
What number has 9 tens and 6 ones?T
What number has 7 tens and 9 ones?G
What number has 5 tens and 4 ones?K
What number has 4 tens and 9 ones?W
What number has 8 tens and 8 ones?O
What number has 6 tens and 1 one?C
What number has 6 tens and 8 ones?E
What number has 2 tens and 6 ones?S
What number has 4 tens and 3 ones?R
What number has 6 tens and 3 ones?F
What number has 5 tens and 6 ones?I
What number has 5 tens and 5 ones?H
0/12 letters found
Clue 3

Subtraction

Some basketballs rolled away under the bleachers. Let us subtract the missing balls from the full rack to see what is left.

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
4
17
2
16
18
15
12
15
10
15
16
7
18
5
1
19
9
6
2
15
14
16
19
17
5
2
19
13 - 9 =T
17 - 3 =K
19 - 3 =Y
19 - 7 =N
20 - 3 =H
5 - 4 =M
19 - 4 =A
14 - 8 =U
8 - 6 =E
13 - 3 =W
19 - 1 =R
14 - 7 =F
20 - 1 =S
11 - 2 =Q
14 - 9 =O
0/15 letters found
Clue 4

Skip counting

The players are sorting their team socks by twos. Skip count with them to make sure every player has a clean pair.

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

Missing addends — the last clue

The team needs ten soccer balls for practice, but they only have seven. Find the missing number to fill the cart.

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
8 + ___ = 20
4 + ___ = 7
6 + ___ = 16
8 + ___ = 19
10 + ___ = 17
9 + ___ = 15
1 + ___ = 3
10 + ___ = 11
7 + ___ = 11
10 + ___ = 19
2 + ___ = 10
Step 2 — cross out the sentence with each answer
1.The villain dunks a basketball with a loud slam, then zips down the court with the prize.
2.The villain headers a pass across the field, then grabs the championship trophy.
3.The villain dunks a basketball with a loud slam, then grabs the championship trophy.
4.The villain shoots a perfect three pointer, then zips down the court with the prize.
5.The villain dribbles past three defenders, then runs out of the stadium door.
6.The villain dunks a basketball with a loud slam, then sneaks past the cheering fans.
7.The villain shoots a perfect three pointer, then sneaks past the cheering fans.
8.The villain dribbles past three defenders, then grabs the championship trophy.
9.The villain dribbles past three defenders, then hides behind the gym benches.
10.The villain headers a pass across the field, then zips down the court with the prize.
11.The villain dribbles past three defenders, then sneaks past the cheering fans.
12.The villain kicks a soccer ball into the goal, then sneaks past the cheering fans.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 1 math
Math topics
Addition, Place value, Subtraction, Skip counting, Missing addends
Reading level
grades 1-2
Theme
The Championship Cup Mystery — set in The All-Star Sports Arena
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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