🏀 BasketballGrade 1Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Great Golden Trophy Mystery
The championship game starts soon! But someone stole the Golden Trophy right off the shelf. We must look for clues around the court to catch the sneaky thief!
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 | Trick Move | Lucky Gear | Shooting Hand | Wacky Hair | Fear |
|---|---|---|---|---|---|
| Breanna | half court shot | glow shoes | right handed shooter | sparkly silver hair | heavy basketball |
| Candace | no look pass | springy socks | right handed shooter | bright pink hair | squeaky floor |
| Muggsy | half court shot | squeaky shoes | right handed shooter | bright pink hair | squeaky floor |
| Sue | spin move | grip pads | right handed shooter | bright pink hair | squeaky floor |
| Caitlin | super dunk | glow shoes | right handed shooter | neon green hair | squeaky floor |
| Steph | spin move | grip pads | right handed shooter | sparkly silver hair | squeaky floor |
| Dirk | spin move | glow shoes | left handed shooter | bright pink hair | heavy basketball |
| Shaq | super dunk | squeaky shoes | left handed shooter | bright pink hair | squeaky floor |
| Bird | half court shot | springy socks | right handed shooter | bright pink hair | squeaky floor |
| Jordan | no look pass | squeaky shoes | right handed shooter | bright pink hair | heavy basketball |
| Angel | giant block | grip pads | right handed shooter | neon green hair | squeaky floor |
| Diana | spin move | squeaky shoes | right handed shooter | bright pink hair | shiny whistle |
| Magic | giant block | grip pads | right handed shooter | neon green hair | shiny whistle |
| Reggie | spin move | high tops | right handed shooter | neon green hair | squeaky floor |
| Kyrie | half court shot | glow shoes | right handed shooter | neon green hair | squeaky floor |
| Kobe | half court shot | springy socks | right handed shooter | sparkly silver hair | squeaky floor |
| Yao | half court shot | squeaky shoes | left handed shooter | bright pink hair | shiny whistle |
| Spud | no look pass | high tops | left handed shooter | neon green hair | shiny whistle |
| Luka | spin move | glow shoes | right handed shooter | bright pink hair | squeaky floor |
| Durant | half court shot | glow shoes | left handed shooter | sparkly silver hair | squeaky floor |
| Sabrina | no look pass | glow shoes | left handed shooter | bright pink hair | heavy basketball |
Clue 1
Addition
Coach added the old team basketballs to the new ones to find the total count.
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
9
13
15
17
18
15
20
8
3
19
20
18
14
5
T
9
14
6
15
17
18
6
T
9
2
15
20
11
16
4
6
2
17
13
6
15
17
3 + 6 =T
4 + 7 =R
3 + 1 =L
7 + 10 =S
10 + 5 =E
4 + 4 =K
1 + 4 =I
1 + 1 =W
5 + 9 =D
1 + 2 =Y
9 + 9 =N
13 + 7 =A
1 + 5 =O
10 + 6 =G
11 + 8 =B
3 + 10 =H
0/16 letters found
Clue 2
Subtraction
We had a big stack of jerseys but some players took theirs. We subtracted to see what was 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
18
3
6
15
11
10
17
4
T
18
4
2
11
9
4
5
3
T
18
3
11
10
17
6
17
2
3
12
12
T
18
6
9
19 - 1 =T
18 - 9 =R
7 - 3 =I
8 - 5 =H
19 - 2 =D
14 - 8 =E
3 - 1 =S
16 - 1 =B
17 - 7 =N
16 - 4 =O
16 - 5 =A
11 - 6 =G
0/12 letters found
Clue 3
Skip counting
We counted the team sneakers by twos as they lined up on the court.
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
21
26
20
12
100
27
65
45
T
21
39
100
27
30
39
36
40
T
21
26
20
16
33
90
20
100
110
9
30
55
36
36
39
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110U
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130K
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65L
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16B
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30H
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, ___, 12, 15Y
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50M
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36F
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39Q
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75D
0/18 letters found
Clue 4
Place value
The scoreboard shows tens and ones for the home team score.
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
17
46
54
37
16
48
47
28
T
17
46
16
22
37
42
28
33
46
T
17
90
28
48
52
46
16
28
42
What number has 1 ten and 7 ones?T
What number has 4 tens and 6 ones?H
What number has 3 tens and 3 ones?G
What number has 2 tens and 2 ones?S
What number has 2 tens and 8 ones?I
What number has 9 tens and 0 ones?P
What number has 3 tens and 7 ones?B
What number has 1 ten and 6 ones?A
What number has 4 tens and 7 ones?D
What number has 5 tens and 4 ones?E
What number has 4 tens and 8 ones?N
What number has 4 tens and 2 ones?R
What number has 5 tens and 2 ones?K
0/13 letters found
Clue 5
Missing addends — the last clue
We have eight water bottles on the tray but we need ten. How many more do we need?
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 + ___ = 10
2 + ___ = 13
1 + ___ = 7
3 + ___ = 7
3 + ___ = 12
10 + ___ = 15
2 + ___ = 14
1 + ___ = 2
2 + ___ = 5
10 + ___ = 12
10 + ___ = 17
Step 2 — cross out the sentence with each answer
1.The villain did a spin move, then jumped in springy socks.
2.The villain tossed a no look pass, then hopped in high tops.
3.The villain made a giant block, then ran in squeaky shoes.
4.The villain made a super dunk, then jumped in springy socks.
5.The villain made a half court shot, then hopped in high tops.
6.The villain made a half court shot, then jumped in springy socks.
7.The villain did a spin move, then sprinted in glow shoes.
8.The villain made a half court shot, then ran in squeaky shoes.
9.The villain tossed a no look pass, then ran in squeaky shoes.
10.The villain tossed a no look pass, then jumped in springy socks.
11.The villain did a spin move, then slid with grip pads.
12.The villain made a super dunk, then sprinted in glow shoes.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Golden Trophy Mystery
Culprit: Candace (no look pass · springy socks · right handed shooter · bright pink hair · squeaky floor)
- Clue 1 (Addition): "THE SNEAKY BANDIT DOES NOT WEAR GLOW SHOES"3 + 6 = 9 (T) · 4 + 7 = 11 (R) · 3 + 1 = 4 (L) · 7 + 10 = 17 (S) · 10 + 5 = 15 (E) · 4 + 4 = 8 (K) · 1 + 4 = 5 (I) · 1 + 1 = 2 (W) · 5 + 9 = 14 (D) · 1 + 2 = 3 (Y) · 9 + 9 = 18 (N) · 13 + 7 = 20 (A) · 1 + 5 = 6 (O) · 10 + 6 = 16 (G) · 11 + 8 = 19 (B) · 3 + 10 = 13 (H)
- Clue 2 (Subtraction): "THE BANDIT IS A RIGHT HANDED SHOOTER"19 - 1 = 18 (T) · 18 - 9 = 9 (R) · 7 - 3 = 4 (I) · 8 - 5 = 3 (H) · 19 - 2 = 17 (D) · 14 - 8 = 6 (E) · 3 - 1 = 2 (S) · 16 - 1 = 15 (B) · 17 - 7 = 10 (N) · 16 - 4 = 12 (O) · 16 - 5 = 11 (A) · 11 - 6 = 5 (G)
- Clue 3 (Skip counting): "THE BANDIT RAN FROM THE SQUEAKY FLOOR"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (U) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (K) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (L) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (B) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (R) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (A) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (Y) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (N) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (M) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, ___, 33, 36 = 30 (F) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (Q) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (D)
- Clue 4 (Place value): "THE BANDIT HAS BRIGHT PINK HAIR"What number has 1 ten and 7 ones? = 17 (T) · What number has 4 tens and 6 ones? = 46 (H) · What number has 3 tens and 3 ones? = 33 (G) · What number has 2 tens and 2 ones? = 22 (S) · What number has 2 tens and 8 ones? = 28 (I) · What number has 9 tens and 0 ones? = 90 (P) · What number has 3 tens and 7 ones? = 37 (B) · What number has 1 ten and 6 ones? = 16 (A) · What number has 4 tens and 7 ones? = 47 (D) · What number has 5 tens and 4 ones? = 54 (E) · What number has 4 tens and 8 ones? = 48 (N) · What number has 4 tens and 2 ones? = 42 (R) · What number has 5 tens and 2 ones? = 52 (K)
- Clue 5 (Missing addends): surviving statement (box 10) → Candace2 + ___ = 10 = 8 · 2 + ___ = 13 = 11 · 1 + ___ = 7 = 6 · 3 + ___ = 7 = 4 · 3 + ___ = 12 = 9 · 10 + ___ = 15 = 5 · 2 + ___ = 14 = 12 · 1 + ___ = 2 = 1 · 2 + ___ = 5 = 3 · 10 + ___ = 12 = 2 · 10 + ___ = 17 = 7
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Subtraction, Skip counting, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Great Golden Trophy Mystery — set in The Championship Gym
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects