Math Crackers
🔎 Victor and minionsGrade 1Reading: grades 1-2AdditionSubtractionMultiplicationSkip countingDivision

The Secret Lair Mystery

Someone snuck into the secret lab and took the big shiny energy gem! Search for clues to find out which villain 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
NameGadgetRideEye GearHairstyleWeakness
Tinker TomZap BlasterFlying CraftWears GogglesWild Blue HairLoud Bells
Sprocket SamFreeze LaserHover ScooterNo GogglesSpike Green HairBright Flashlights
Fizzy FredZap BlasterFlying CraftNo GogglesWild Blue HairBanana Jam
Rusty RickShrink RayRocket BootsWears GogglesWild Blue HairBright Flashlights
Minion PipZap BlasterFlying CraftWears GogglesWild Blue HairBanana Jam
Gizmo GusShrink RayFlying CraftWears GogglesSpike Green HairBright Flashlights
Minion KevinZap BlasterAnti Gravity BeltNo GogglesShiny Bald HeadBanana Jam
Dr HissZap BlasterHover ScooterWears GogglesWild Blue HairBright Flashlights
Agent SnipGoo LauncherRocket BootsNo GogglesSpike Green HairBright Flashlights
Baron BoltShrink RayFlying CraftNo GogglesSpike Green HairBright Flashlights
Victor VainMagnet CannonSuper Speed HelmetNo GogglesSpike Green HairLoud Bells
Noodle NedMagnet CannonHover ScooterNo GogglesWild Blue HairBright Flashlights
Prof PopGoo LauncherHover ScooterNo GogglesSpike Green HairLoud Bells
Minion OttoGoo LauncherFlying CraftNo GogglesSpike Green HairBright Flashlights
Minion TimFreeze LaserAnti Gravity BeltNo GogglesShiny Bald HeadBright Flashlights
Bimble BenFreeze LaserAnti Gravity BeltWears GogglesWild Blue HairBanana Jam
Sparky SidGoo LauncherFlying CraftWears GogglesShiny Bald HeadBright Flashlights
Bumper BillZap BlasterSuper Speed HelmetWears GogglesSpike Green HairLoud Bells
Zippy ZedMagnet CannonFlying CraftNo GogglesSpike Green HairBanana Jam
Captain ClankFreeze LaserSuper Speed HelmetWears GogglesSpike Green HairBright Flashlights
Major MashShrink RayAnti Gravity BeltNo GogglesSpike Green HairBright Flashlights
Clue 1

Addition

We added up all the stolen test tubes on the table.

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
19
12
10
15
8
16
16
14
8
2
9
3
10
18
2
3
T
19
7
18
10
13
3
11
17
10
T
19
4
3
3
T
19
18
12 + 7 =T
1 + 1 =N
4 + 7 =C
1 + 2 =O
5 + 13 =S
9 + 6 =V
5 + 4 =D
6 + 6 =H
2 + 2 =B
3 + 10 =R
9 + 5 =A
8 + 9 =K
4 + 3 =U
7 + 3 =E
6 + 10 =L
4 + 4 =I
0/16 letters found
Clue 2

Subtraction

We took away the broken gears to clean up the bench.

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
13
11
14
8
11
4
7
12
6
15
2
2
4
15
8
1
10
5
11
8
10
3
10
3
3
2
11
14
4
T
18
4
2
2
20 - 2 =T
14 - 7 =K
8 - 7 =W
10 - 4 =V
14 - 3 =E
18 - 3 =I
6 - 2 =A
20 - 8 =Y
14 - 6 =N
7 - 4 =G
20 - 6 =S
10 - 8 =L
8 - 3 =R
15 - 2 =H
11 - 1 =O
0/15 letters found
Clue 3

Multiplication facts (1-12)

We counted the rows of mini gadgets on the shelf.

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

B
80
4
49
90
42
27
99
14
110
9
42
14
49
90
42
27
9
9
8
110
4
20
44
27
42
20
121
49
14
14
110
49
32
110
77
110
64
10 × 8 =B
4 × 5 =E
7 × 11 =W
11 × 11 =V
11 × 9 =F
3 × 3 =S
7 × 7 =I
4 × 11 =D
10 × 9 =G
4 × 8 =N
7 × 6 =H
9 × 3 =T
10 × 11 =A
2 × 4 =C
8 × 8 =Y
2 × 2 =R
2 × 7 =L
0/17 letters found
Clue 4

Skip counting

We skip counted the boots printed on the floor.

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
6
40
33
10
70
140
28
65
33
90
70
15
12
24
55
10
28
110
33
26
27
33
33
12
40
45
28
27
45
T
6
T
6
40
33
140
45
25
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10T
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130K
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33R
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30G
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75C
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35B
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28D
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14P
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110F
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65S
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55A
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80O
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60H
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16N
0/18 letters found
Clue 5

Division facts (1-12) — the last clue

We split the banana snacks equally among the team.

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
90 ÷ 10 = ?
48 ÷ 8 = ?
8 ÷ 4 = ?
72 ÷ 6 = ?
35 ÷ 7 = ?
22 ÷ 2 = ?
33 ÷ 11 = ?
28 ÷ 4 = ?
24 ÷ 6 = ?
56 ÷ 7 = ?
1 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain turned on the magnet cannon, then flew away in a flying craft.
2.The villain fired the freeze laser, then zipped by on a hover scooter.
3.The villain squirted the goo launcher, then zipped by on a hover scooter.
4.The villain squirted the goo launcher, then zipped off in rocket boots.
5.The villain turned on the magnet cannon, then dashed fast with a super speed helmet.
6.The villain blasted the shrink ray, then floated up with an anti gravity belt.
7.The villain turned on the magnet cannon, then zipped off in rocket boots.
8.The villain shot the zap blaster, then flew away in a flying craft.
9.The villain blasted the shrink ray, then flew away in a flying craft.
10.The villain squirted the goo launcher, then flew away in a flying craft.
11.The villain shot the zap blaster, then dashed fast with a super speed helmet.
12.The villain shot the zap blaster, then zipped by on a hover scooter.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 1 math
Math topics
Addition, Subtraction, Multiplication, Skip counting, Division
Reading level
grades 1-2
Theme
The Secret Lair Mystery — set in The Top Secret Lab
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

More free printable math cases

1st grade worksheetsAddition worksheetsSubtraction worksheetsMultiplication worksheetsDivision worksheetsSkip counting worksheetsAll worksheets →
The Case of the Missing Moon Crystal
Grade 1
The Great Championship Whistle Mystery
Grade 1
The Case of the Missing Diamond Vault
Grade 1
The Great Cake Caper
Grade 1