Math Crackers
🔎 PokemonGrade 2Reading: grades 1-2AdditionSubtractionMultiplicationSkip countingMissing addends

The Mystery of the Missing Monster Egg

Someone took the rare glowing monster egg right before the big battle tournament. Help the Ranger Squad solve the math clues to find out who did 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
NameMonster TypeBattle GearWatch WristCap ColorFavorite Berry
MayaGrass LeafMagic CloakWears Watch On LeftRed CapSour Lemon Berry
MistyWater SplashPower BandWears Watch On LeftGreen CapSour Lemon Berry
LeoWater SplashPower BandWears Watch On LeftBlue CapSpicy Pepper Berry
ClemontElectric ZapPower BandWears Watch On RightBlue CapSour Lemon Berry
RubyGrass LeafMagic CloakWears Watch On LeftBlue CapSour Lemon Berry
DawnFire FlameSpeedy BootsWears Watch On RightGreen CapSpicy Pepper Berry
IrisFire FlameMagic CloakWears Watch On RightGreen CapSpicy Pepper Berry
NoraElectric ZapMagic CloakWears Watch On RightGreen CapSpicy Pepper Berry
BrockElectric ZapShield BadgeWears Watch On RightRed CapSpicy Pepper Berry
LunaFire FlameFeather CharmWears Watch On LeftRed CapSour Lemon Berry
ZoeGrass LeafPower BandWears Watch On RightBlue CapSour Lemon Berry
RexPsychic GlowFeather CharmWears Watch On LeftRed CapSour Lemon Berry
FloraPsychic GlowShield BadgeWears Watch On LeftGreen CapSour Lemon Berry
MayElectric ZapSpeedy BootsWears Watch On LeftGreen CapSour Lemon Berry
TobyPsychic GlowPower BandWears Watch On LeftGreen CapSour Lemon Berry
CinderElectric ZapMagic CloakWears Watch On RightBlue CapSweet Peach Berry
AshPsychic GlowPower BandWears Watch On LeftGreen CapSpicy Pepper Berry
SerenaFire FlamePower BandWears Watch On RightGreen CapSour Lemon Berry
SparkyFire FlameFeather CharmWears Watch On LeftGreen CapSpicy Pepper Berry
RiverPsychic GlowFeather CharmWears Watch On RightBlue CapSour Lemon Berry
KaiFire FlameMagic CloakWears Watch On LeftGreen CapSour Lemon Berry
Clue 1

Addition

Ranger Sam found monster footprints in two yards and added them together to read 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.

T
24
89
36
77
97
36
47
81
88
T
24
96
47
46
97
36
96
55
28
36
77
97
28
T
24
22
77
36
45
47
65
46
38
38
69
28
47
81
17 + 7 =T
37 + 60 =N
17 + 19 =E
49 + 47 =R
52 + 29 =K
21 + 34 =D
22 + 24 =I
31 + 57 =Y
29 + 18 =A
16 + 6 =U
16 + 12 =O
34 + 35 =L
43 + 34 =S
19 + 19 =C
42 + 47 =H
29 + 16 =M
44 + 21 =G
0/17 letters found
Clue 2

Subtraction

The caretaker dropped some monster snacks from her bag and subtracted the lost ones 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.

W
20
78
38
56
46
59
59
59
74
W
20
74
W
20
74
38
55
16
70
56
38
16
46
21
46
15
38
W
20
82
78
59
38
48 - 28 =W
115 - 37 =I
92 - 18 =A
55 - 40 =F
70 - 24 =E
85 - 29 =N
30 - 14 =H
69 - 31 =T
83 - 13 =O
42 - 21 =L
84 - 2 =R
89 - 34 =C
80 - 21 =S
0/13 letters found
Clue 3

Multiplication facts (1-12)

The team lined up monster cards in equal rows to decode the next 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
10
8
11
22
20
30
30
72
20
16
90
11
132
T
10
8
11
3
11
T
10
12
54
40
25
30
11
88
54
16
70
11
25
25
2
2 × 5 =T
2 × 8 =N
4 × 3 =S
4 × 10 =U
1 × 3 =P
9 × 10 =F
6 × 9 =O
1 × 2 =Y
3 × 10 =L
10 × 7 =B
11 × 2 =V
1 × 8 =H
1 × 11 =E
8 × 11 =M
5 × 5 =R
8 × 9 =A
5 × 4 =I
11 × 12 =D
0/18 letters found
Clue 4

Skip counting

The kids counted glowing monster eggs by twos to reveal a secret note.

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

D
65
22
130
22
36
130
12
140
22
26
27
8
6
28
D
65
60
28
22
60
130
100
9
22
22
28
36
60
20
60
130
26
12
130
22
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24P
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 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33F
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12O
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15R
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, ___, 65, 70A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30S
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150T
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42C
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26E
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10U
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120G
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160V
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16I
0/15 letters found
Clue 5

Missing addends — the last clue

The ranger checked the total badge count to figure out the missing badges and unlock 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
7 + ___ = 13
4 + ___ = 12
1 + ___ = 3
4 + ___ = 8
7 + ___ = 18
2 + ___ = 5
2 + ___ = 3
4 + ___ = 14
9 + ___ = 16
9 + ___ = 18
8 + ___ = 20
Step 2 — cross out the sentence with each answer
1.The villain creates a glowing mind shield, then turns invisible with a magic cloak.
2.The villain creates a glowing mind shield, then boosts power with a power band.
3.The villain shoots a big water bubble, then blocks traps using a shield badge.
4.The villain sparks a bright thunder jolt, then floats up with a feather charm.
5.The villain sparks a bright thunder jolt, then dashes away using speedy boots.
6.The villain shoots a big water bubble, then boosts power with a power band.
7.The villain creates a glowing mind shield, then floats up with a feather charm.
8.The villain creates a glowing mind shield, then blocks traps using a shield badge.
9.The villain shoots a big water bubble, then dashes away using speedy boots.
10.The villain shouts a flame attack command, then floats up with a feather charm.
11.The villain whips a long leaf vine, then blocks traps using a shield badge.
12.The villain sparks a bright thunder jolt, then blocks traps using a shield badge.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 2 math
Math topics
Addition, Subtraction, Multiplication, Skip counting, Missing addends
Reading level
grades 1-2
Theme
The Mystery of the Missing Monster Egg — set in Starling Island Monster Gym
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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