🦕 Dinosaurs, SoccerGrade 1Reading: grades 1-2AdditionPlace valueSubtractionSkip countingMissing addends
The Great Dino Valley Cup Mystery
The golden championship trophy is missing! Someone took it right before the final game. We must search the field and find the dinosaur who took 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
| Name | Soccer Move | Special Gear | Kicking Style | Head Feature | Fear |
|---|---|---|---|---|---|
| Ronaldo Rex | Head Butt | Golden Gloves | Right Footed | Green Spikes | Loud Whistles |
| Kepa Triceratops | Tail Kick | Golden Gloves | Left Footed | Blue Crest | Bright Lights |
| Bellingham Rex | Raptor Dash | Fancy Visor | Right Footed | Orange Scales | Loud Whistles |
| Marta Dino | Wing Save | Neon Jersey | Left Footed | Blue Crest | Bright Lights |
| Dembele Dino | Tail Kick | Sparkly Cape | Left Footed | Blue Crest | Loud Whistles |
| Rooney Raptor | Mega Stomp | Muddy Cleats | Left Footed | Blue Crest | Bright Lights |
| Neymar Raptor | Wing Save | Neon Jersey | Left Footed | Green Spikes | Loud Whistles |
| Harry Dino | Head Butt | Muddy Cleats | Right Footed | Green Spikes | Bright Lights |
| Foden Dino | Mega Stomp | Fancy Visor | Left Footed | Orange Scales | Bright Lights |
| Pele Saurus | Tail Kick | Fancy Visor | Right Footed | Blue Crest | Bright Lights |
| Stego Son | Head Butt | Sparkly Cape | Right Footed | Blue Crest | Squeaky Toys |
| Beckham Bronto | Head Butt | Golden Gloves | Left Footed | Orange Scales | Squeaky Toys |
| Rapinoe Rex | Head Butt | Muddy Cleats | Left Footed | Blue Crest | Squeaky Toys |
| Diaz Diplodocus | Raptor Dash | Fancy Visor | Right Footed | Blue Crest | Squeaky Toys |
| Zlatan Igua | Wing Save | Fancy Visor | Left Footed | Green Spikes | Squeaky Toys |
| Alex Morgan Saurus | Mega Stomp | Fancy Visor | Right Footed | Orange Scales | Squeaky Toys |
| Mbappe Pterodactyl | Raptor Dash | Golden Gloves | Left Footed | Orange Scales | Bright Lights |
| Saka Spino | Tail Kick | Sparkly Cape | Left Footed | Blue Crest | Bright Lights |
| Alisson Ankylosaur | Raptor Dash | Golden Gloves | Left Footed | Blue Crest | Bright Lights |
| Salah Saurus | Mega Stomp | Muddy Cleats | Right Footed | Green Spikes | Squeaky Toys |
| Rexy Messi | Mega Stomp | Fancy Visor | Left Footed | Orange Scales | Loud Whistles |
Clue 1
Addition
Coach Rex counts the soccer balls on the grass. He adds the red balls and green balls 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
5
7
20
3
16
20
8
4
10
T
5
7
14
20
13
17
6
20
3
16
6
T
5
2
20
8
11
8
3
9
8
11
4
15
10
18
8
9
20
1 + 4 =T
8 + 3 =R
4 + 4 =A
3 + 3 =O
12 + 4 =N
3 + 7 =Y
2 + 5 =H
1 + 3 =K
2 + 1 =S
11 + 7 =C
9 + 5 =I
4 + 11 =L
12 + 5 =D
1 + 1 =W
10 + 3 =F
7 + 2 =P
6 + 14 =E
0/17 letters found
Clue 2
Place value
Look at the big team scoreboard. The score has one ten and four ones. What number is that?
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
49
68
53
T
49
68
14
53
56
28
14
37
28
53
94
T
49
68
53
77
44
63
63
50
14
T
49
68
T
49
68
53
14
97
63
53
56
T
49
56
51
51
T
49
What number has 4 tens and 9 ones?T
What number has 5 tens and 0 ones?W
What number has 4 tens and 4 ones?A
What number has 6 tens and 3 ones?L
What number has 2 tens and 8 ones?K
What number has 9 tens and 7 ones?R
What number has 9 tens and 4 ones?D
What number has 5 tens and 6 ones?F
What number has 1 ten and 4 ones?I
What number has 3 tens and 7 ones?C
What number has 6 tens and 8 ones?H
What number has 5 tens and 3 ones?E
What number has 5 tens and 1 one?O
What number has 7 tens and 7 ones?B
0/14 letters found
Clue 3
Subtraction
A player had ten orange cones. He lost some cones. Let us subtract to see how many are 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
2
7
17
T
2
7
5
17
9
7
5
10
9
18
12
6
T
2
7
17
15
18
5
1
7
T
2
4
5
1
7
T
2
8
4 - 2 =T
14 - 9 =I
16 - 1 =B
13 - 5 =S
12 - 6 =M
16 - 7 =F
6 - 5 =G
17 - 5 =O
13 - 9 =L
20 - 3 =E
15 - 5 =D
19 - 1 =R
12 - 5 =H
0/13 letters found
Clue 4
Skip counting
We see muddy dino footprints in groups of two. Count by twos to find the total footprints.
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
25
45
15
42
40
33
21
42
55
T
14
25
40
26
40
55
25
30
20
36
100
33
120
45
12
22
45
55
T
14
42
20
30
T
14
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18T
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21G
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48O
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16C
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, ___, 110, 120B
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140U
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42Y
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27P
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26R
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55E
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65S
0/17 letters found
Clue 5
Missing addends — the last clue
The gear rack holds eight shin guards. We only see five. How many more do we need to make eight?
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
4 + ___ = 10
2 + ___ = 4
3 + ___ = 11
6 + ___ = 7
7 + ___ = 14
9 + ___ = 13
7 + ___ = 16
1 + ___ = 4
2 + ___ = 14
9 + ___ = 19
1 + ___ = 12
Step 2 — cross out the sentence with each answer
1.The villain did a massive tail kick, then tipped a fancy visor.
2.The villain did a massive tail kick, then showed off some golden gloves.
3.The villain leaped for a wing save, then flew past with a sparkly cape.
4.The villain made a powerful head butt, then left a trail of muddy cleats.
5.The villain leaped for a wing save, then flashed a bright neon jersey.
6.The villain shook the ground with a mega stomp, then left a trail of muddy cleats.
7.The villain made a powerful head butt, then showed off some golden gloves.
8.The villain zoomed by with a raptor dash, then showed off some golden gloves.
9.The villain zoomed by with a raptor dash, then flew past with a sparkly cape.
10.The villain shook the ground with a mega stomp, then flew past with a sparkly cape.
11.The villain leaped for a wing save, then left a trail of muddy cleats.
12.The villain made a powerful head butt, then tipped a fancy visor.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Great Dino Valley Cup Mystery
Culprit: Marta Dino (Wing Save · Neon Jersey · Left Footed · Blue Crest · Bright Lights)
- Clue 1 (Addition): "THE SNEAKY THIEF DOES NOT WEAR A SPARKLY CAPE"1 + 4 = 5 (T) · 8 + 3 = 11 (R) · 4 + 4 = 8 (A) · 3 + 3 = 6 (O) · 12 + 4 = 16 (N) · 3 + 7 = 10 (Y) · 2 + 5 = 7 (H) · 1 + 3 = 4 (K) · 2 + 1 = 3 (S) · 11 + 7 = 18 (C) · 9 + 5 = 14 (I) · 4 + 11 = 15 (L) · 12 + 5 = 17 (D) · 1 + 1 = 2 (W) · 10 + 3 = 13 (F) · 7 + 2 = 9 (P) · 6 + 14 = 20 (E)
- Clue 2 (Place value): "THE THIEF KICKED THE BALL WITH THEIR LEFT FOOT"What number has 4 tens and 9 ones? = 49 (T) · What number has 5 tens and 0 ones? = 50 (W) · What number has 4 tens and 4 ones? = 44 (A) · What number has 6 tens and 3 ones? = 63 (L) · What number has 2 tens and 8 ones? = 28 (K) · What number has 9 tens and 7 ones? = 97 (R) · What number has 9 tens and 4 ones? = 94 (D) · What number has 5 tens and 6 ones? = 56 (F) · What number has 1 ten and 4 ones? = 14 (I) · What number has 3 tens and 7 ones? = 37 (C) · What number has 6 tens and 8 ones? = 68 (H) · What number has 5 tens and 3 ones? = 53 (E) · What number has 5 tens and 1 one? = 51 (O) · What number has 7 tens and 7 ones? = 77 (B)
- Clue 3 (Subtraction): "THE THIEF HID FROM THE BRIGHT LIGHTS"4 - 2 = 2 (T) · 14 - 9 = 5 (I) · 16 - 1 = 15 (B) · 13 - 5 = 8 (S) · 12 - 6 = 6 (M) · 16 - 7 = 9 (F) · 6 - 5 = 1 (G) · 17 - 5 = 12 (O) · 13 - 9 = 4 (L) · 20 - 3 = 17 (E) · 15 - 5 = 10 (D) · 19 - 1 = 18 (R) · 12 - 5 = 7 (H)
- Clue 4 (Skip counting): "THE GOALPOST HAD A SHINY BLUE CREST ON IT"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (G) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (H) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (D) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (C) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (L) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (B) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (U) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (Y) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (P) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (R) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (E) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (S)
- Clue 5 (Missing addends): surviving statement (box 5) → Marta Dino4 + ___ = 10 = 6 · 2 + ___ = 4 = 2 · 3 + ___ = 11 = 8 · 6 + ___ = 7 = 1 · 7 + ___ = 14 = 7 · 9 + ___ = 13 = 4 · 7 + ___ = 16 = 9 · 1 + ___ = 4 = 3 · 2 + ___ = 14 = 12 · 9 + ___ = 19 = 10 · 1 + ___ = 12 = 11
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 Great Dino Valley Cup Mystery — set in The Dino Valley Soccer Stadium
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects