🔎 PokemonGrade 2Reading: grades 3-4Place valueAdditionSubtractionSkip countingMissing addends
The Case of the Missing Spark Gem
Someone snagged the Golden Spark Gem right before the big Valley Tournament! Examine the clues to discover which trainer 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 | Partner Element | Battle Gear | Throwing Hand | Cap Color | Favorite Snack |
|---|---|---|---|---|---|
| Raihan | Flame | Flame Shield | Right Handed | Blue Cap | Berry Jam |
| Bede | Electric | Flame Shield | Left Handed | Blue Cap | Berry Jam |
| Mistina | Splash | Ice Badge | Left Handed | Green Cap | Berry Jam |
| Stevon | Electric | Ice Badge | Left Handed | Green Cap | Sweet Honey |
| Ilima | Splash | Speed Boots | Right Handed | Green Cap | Berry Jam |
| Beata | Shadow | Speed Boots | Left Handed | Green Cap | Berry Jam |
| Guzma | Shadow | Speed Boots | Left Handed | Red Cap | Sweet Honey |
| Ashford | Flame | Flame Shield | Left Handed | Blue Cap | Crunchy Seeds |
| Serene | Leaf | Ice Badge | Right Handed | Blue Cap | Crunchy Seeds |
| Kukui | Electric | Flame Shield | Right Handed | Green Cap | Sweet Honey |
| Clemont | Flame | Speed Boots | Left Handed | Red Cap | Sweet Honey |
| Gladion | Leaf | Volt Belt | Left Handed | Red Cap | Berry Jam |
| Brockton | Shadow | Volt Belt | Right Handed | Green Cap | Crunchy Seeds |
| Sonia | Electric | Power Ring | Left Handed | Blue Cap | Sweet Honey |
| Leona | Electric | Volt Belt | Left Handed | Green Cap | Berry Jam |
| Nessa | Splash | Power Ring | Left Handed | Green Cap | Sweet Honey |
| Cynthia | Flame | Power Ring | Right Handed | Blue Cap | Crunchy Seeds |
| Irisa | Electric | Ice Badge | Left Handed | Blue Cap | Berry Jam |
| Hau | Splash | Flame Shield | Left Handed | Green Cap | Berry Jam |
| Lillie | Leaf | Volt Belt | Left Handed | Green Cap | Berry Jam |
| Allister | Flame | Power Ring | Right Handed | Green Cap | Berry Jam |
Clue 1
Place value
Detective Spark checks the electronic lock board where place value digits reveal the villain missing gear.
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
42
67
74
50
24
56
56
36
24
13
30
94
74
86
13
94
T
42
14
74
36
62
36
33
56
36
90
74
86
67
24
74
56
30
What number has 4 tens and 2 ones?T
What number has 2 tens and 4 ones?I
What number has 6 tens and 7 ones?H
What number has 5 tens and 0 ones?V
What number has 7 tens and 4 ones?E
What number has 9 tens and 0 ones?M
What number has 1 ten and 3 ones?N
What number has 8 tens and 6 ones?S
What number has 6 tens and 2 ones?R
What number has 3 tens and 3 ones?F
What number has 9 tens and 4 ones?O
What number has 5 tens and 6 ones?L
What number has 3 tens and 0 ones?D
What number has 3 tens and 6 ones?A
What number has 1 ten and 4 ones?W
0/15 letters found
Clue 2
Addition
Officer Brock adds up the footprints counted along the sandy arena path to find a 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
28
74
38
67
95
55
55
34
95
35
T
28
74
84
64
56
96
72
64
35
96
T
28
38
84
21
34
55
55
96
55
38
62
T
28
74
34
35
88
38
88
18 + 10 =T
30 + 37 =V
23 + 51 =H
25 + 30 =L
42 + 22 =O
14 + 21 =N
10 + 11 =B
25 + 31 =W
32 + 64 =S
12 + 26 =E
27 + 45 =M
15 + 19 =A
57 + 27 =R
45 + 43 =D
37 + 25 =F
37 + 58 =I
0/16 letters found
Clue 3
Subtraction
Trainer Misty subtracts the missing creature treats to spot a leftover 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.
F
61
40
75
18
86
54
20
48
48
72
42
52
25
23
13
52
50
18
23
52
13
13
85
20
23
71
20
18
20
75 - 14 =F
118 - 32 =D
39 - 19 =E
35 - 10 =M
23 - 10 =T
104 - 33 =C
65 - 11 =B
90 - 40 =I
102 - 17 =H
73 - 1 =Y
52 - 10 =J
86 - 34 =A
50 - 27 =S
51 - 11 =O
59 - 11 =R
53 - 35 =N
89 - 14 =U
0/17 letters found
Clue 4
Skip counting
The security team skip counts rows of arena seats to locate a dropped 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.
A
36
42
16
140
140
33
50
A
36
80
30
40
39
140
16
26
A
36
8
65
140
30
60
22
33
60
70
140
42
140
110
39
22
12
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42A
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160E
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16X
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45B
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80H
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70C
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48G
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20R
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130M
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100P
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75L
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50F
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12S
0/18 letters found
Clue 5
Missing addends — the last clue
Professor Elm calculates missing battle points to uncover the final clue.
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
10 + ___ = 20
6 + ___ = 9
7 + ___ = 12
7 + ___ = 9
8 + ___ = 16
9 + ___ = 13
2 + ___ = 3
5 + ___ = 12
4 + ___ = 15
3 + ___ = 9
3 + ___ = 12
Step 2 — cross out the sentence with each answer
1.The villain tangled the security gate with vines, then melted the vault display lock.
2.The villain dimmed the stadium spotlights, then sparked the electronic alarm system.
3.The villain dimmed the stadium spotlights, then dashed out the side tunnel.
4.The villain scorched the entry carpet, then froze the trophy case hinges.
5.The villain tangled the security gate with vines, then sparked the electronic alarm system.
6.The villain tangled the security gate with vines, then froze the trophy case hinges.
7.The villain flooded the locker room floor, then dashed out the side tunnel.
8.The villain zapped the main arena lights, then snatched the golden star gem.
9.The villain tangled the security gate with vines, then snatched the golden star gem.
10.The villain flooded the locker room floor, then froze the trophy case hinges.
11.The villain flooded the locker room floor, then melted the vault display lock.
12.The villain zapped the main arena lights, then sparked the electronic alarm system.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Spark Gem
Culprit: Leona (Electric · Volt Belt · Left Handed · Green Cap · Berry Jam)
- Clue 1 (Place value): "THE VILLAIN DOES NOT WEAR A FLAME SHIELD"What number has 4 tens and 2 ones? = 42 (T) · What number has 2 tens and 4 ones? = 24 (I) · What number has 6 tens and 7 ones? = 67 (H) · What number has 5 tens and 0 ones? = 50 (V) · What number has 7 tens and 4 ones? = 74 (E) · What number has 9 tens and 0 ones? = 90 (M) · What number has 1 ten and 3 ones? = 13 (N) · What number has 8 tens and 6 ones? = 86 (S) · What number has 6 tens and 2 ones? = 62 (R) · What number has 3 tens and 3 ones? = 33 (F) · What number has 9 tens and 4 ones? = 94 (O) · What number has 5 tens and 6 ones? = 56 (L) · What number has 3 tens and 0 ones? = 30 (D) · What number has 3 tens and 6 ones? = 36 (A) · What number has 1 ten and 4 ones? = 14 (W)
- Clue 2 (Addition): "THE VILLAIN THROWS MONSTER BALLS LEFT HANDED"18 + 10 = 28 (T) · 30 + 37 = 67 (V) · 23 + 51 = 74 (H) · 25 + 30 = 55 (L) · 42 + 22 = 64 (O) · 14 + 21 = 35 (N) · 10 + 11 = 21 (B) · 25 + 31 = 56 (W) · 32 + 64 = 96 (S) · 12 + 26 = 38 (E) · 27 + 45 = 72 (M) · 15 + 19 = 34 (A) · 57 + 27 = 84 (R) · 45 + 43 = 88 (D) · 37 + 25 = 62 (F) · 37 + 58 = 95 (I)
- Clue 3 (Subtraction): "FOUND BERRY JAM STAINS AT THE SCENE"75 - 14 = 61 (F) · 118 - 32 = 86 (D) · 39 - 19 = 20 (E) · 35 - 10 = 25 (M) · 23 - 10 = 13 (T) · 104 - 33 = 71 (C) · 65 - 11 = 54 (B) · 90 - 40 = 50 (I) · 102 - 17 = 85 (H) · 73 - 1 = 72 (Y) · 52 - 10 = 42 (J) · 86 - 34 = 52 (A) · 50 - 27 = 23 (S) · 51 - 11 = 40 (O) · 59 - 11 = 48 (R) · 53 - 35 = 18 (N) · 89 - 14 = 75 (U)
- Clue 4 (Skip counting): "A GREEN CAP FIBER WAS LEFT ON THE GEM BOX"Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (A) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, ___, 45, 50 = 40 (I) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (X) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (B) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80 = 70 (H) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70 = 50 (C) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, ___, 45, 48 = 42 (G) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (R) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (M) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70 = 60 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (P) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (L) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (F) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (S)
- Clue 5 (Missing addends): surviving statement (box 12) → Leona10 + ___ = 20 = 10 · 6 + ___ = 9 = 3 · 7 + ___ = 12 = 5 · 7 + ___ = 9 = 2 · 8 + ___ = 16 = 8 · 9 + ___ = 13 = 4 · 2 + ___ = 3 = 1 · 5 + ___ = 12 = 7 · 4 + ___ = 15 = 11 · 3 + ___ = 9 = 6 · 3 + ___ = 12 = 9
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Spark Gem — set in Spark Valley Monster Arena
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects