Math Crackers
🤖 Wwe robots mark Rober youtubGrade 5Reading: grades 5-6MultiplicationBar modelsMulti-step word problemsFractions of a numberDivision

The Bot Slam Brawl Mystery

Right before the live stream championship match, someone sabotaged the trophy belt and hid the main control unit! Work through the tech logs and match evidence to find out which builder disrupted the event.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play
NameMain Bot AttackDefense SystemLanyard ColorHair StyleRobot Counter
Gearhead Gablelaser spinrocket boosterswears blue lanyardspiky purplefoam pellet
Engineer Eddielaser spinthermal sensorwears red lanyardspiky purplefoam pellet
Builder Biancahydraulic slamthermal sensorwears blue lanyardspiky purplewater spray
Battery Bayleylaser spintitanium shieldwears red lanyardspiky purplefoam pellet
Piston Punkglitter cannonshock trackswears red lanyardsilver buzzcutwater spray
Gadget Rheahydraulic slamthermal sensorwears blue lanyardneon greenwater spray
Tinkerer Sethhydraulic slamtitanium shieldwears red lanyardneon greenfoam pellet
Cable KOglitter cannonthermal sensorwears red lanyardneon greenmagnet trap
Circuit Charlottesonic bashpulse blastwears red lanyardspiky purplefoam pellet
Hacker Codylaser spinshock trackswears blue lanyardneon greenmagnet trap
Anvil Alexamagnetic droprocket boosterswears blue lanyardneon greenmagnet trap
Axle AJmagnetic droppulse blastwears red lanyardneon greenfoam pellet
Turbine Trishsonic bashtitanium shieldwears red lanyardneon greenmagnet trap
Robo Romanlaser spinshock trackswears red lanyardspiky purplefoam pellet
Wrench Walterlaser spintitanium shieldwears blue lanyardspiky purplewater spray
Dynamo Drewhydraulic slamthermal sensorwears red lanyardspiky purplefoam pellet
Sensor Asukasonic bashrocket boosterswears red lanyardneon greenfoam pellet
Voltage Vincelaser spinpulse blastwears red lanyardspiky purplemagnet trap
Rotor Rondaglitter cannonshock trackswears red lanyardneon greenmagnet trap
Mark Sparkglitter cannontitanium shieldwears red lanyardsilver buzzcutmagnet trap
Fuse Finnmagnetic droprocket boosterswears red lanyardspiky purplemagnet trap
Clue 1

Multiplication facts (1-12)

To decrypt the first security log, the engineering team multiplies the robot camera frame counts from the arena ring.

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
1
80
56
144
3
88
121
7
96
T
1
120
14
56
21
70
14
T
1
3
21
56
21
80
14
144
15
T
1
7
44
144
15
21
1 × 1 =T
7 × 8 =E
8 × 12 =I
8 × 11 =L
10 × 7 =N
7 × 1 =R
3 × 5 =K
10 × 8 =H
11 × 11 =P
10 × 12 =D
3 × 7 =S
1 × 3 =U
11 × 4 =A
2 × 7 =O
12 × 12 =C
0/15 letters found
Clue 2

Bar model word problems

Analyzing the energy bar charts from the stream reveals the suspect's movement across the main stage.

Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.

Awitnesssawthevillainwas
W
108
75
111
52
109
52
75
122
60
111
N
 
Y
 
111
52
122
.
The red team has 142 wrestling mats and the blue team has 34 wrestling mats. How many more wrestling mats does the red team have?
draw a bar model
Answer:→W
Robo Engineer has 156 championship belts, packed 3 to a bag. How many bags can be filled?
draw a bar model
Answer:→R
There were 110 microchips in all. 1 microchips were used. How many microchips are left?
draw a bar model
Answer:→S
Robo Engineer used 1/2 of the championship belts on the first day. The other 61 championship belts were used the next day. How many championship belts were there in all?
draw a bar model
Answer:→D
Robo Engineer has 10 times as many championship belts as a teammate. The teammate has 6 championship belts. How many championship belts does Robo Engineer have?
draw a bar model
Answer:→L
Robo Engineer shares 222 wrestling mats equally among 2 teams. How many wrestling mats does each team get?
draw a bar model
Answer:→A
One group collected 10 servo motors and another group collected 65 servo motors. How many servo motors in all?
draw a bar model
Answer:→E
0/7 letters found
Clue 3

Multi-step word problems

Calculating the total weight of gear and spare parts cleared from the pit area points to our next clue.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Someonescaredthevillainoffwith
F
43
89
55
72
58
73
86
86
73
T
 
.
Robo Engineer filled 4 boxes with 8 wrestling mats each, then found 11 more wrestling mats. How many wrestling mats are there in all?F
Robo Engineer collected 173 championship belts in the morning and 47 championship belts in the afternoon, then split them equally among 4 Tech Tube Pit Crew. How many championship belts did each get?A
Robo Engineer earned 3 servo motors in each of 5 rounds, plus 54 bonus servo motors. Then 11 servo motors were lost. How many servo motors are left?P
Robo Engineer filled 4 boxes with 2 microchips each, then found 65 more microchips. How many microchips are there in all?E
There were 178 championship belts in all. 6 championship belts were set aside. The rest were shared equally among 2 Tech Tube Pit Crew. How many championship belts did each get?L
Robo Engineer earned 4 glitter bombs in each of 5 rounds, plus 65 bonus glitter bombs. Then 13 glitter bombs were lost. How many glitter bombs are left?M
Robo Engineer earned 2 wrestling mats in each of 4 rounds, plus 91 bonus wrestling mats. Then 10 wrestling mats were lost. How many wrestling mats are left?O
0/7 letters found
Clue 4

Fractions of a number

Taking a fraction of the total viewer votes on YouTube narrows down where the suspect hid the control belt.

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
21
27
23
24
5
37
37
37
35
31
23
23
5
32
37
35
27
14
16
35
18
11
35
3
5
15
36
27
11
4/8 of 42 =W
1/4 of 72 =U
4/6 of 36 =N
2/5 of 80 =D
4/8 of 10 =E
2/8 of 12 =L
4/5 of 20 =Y
1/2 of 74 =S
4/8 of 28 =K
3/4 of 48 =A
2/6 of 69 =T
1/2 of 62 =O
3/6 of 22 =R
3/8 of 72 =I
2/10 of 175 =P
1/6 of 90 =H
0/16 letters found
Clue 5

Division facts (1-12) — the last clue

Dividing the remaining arena battery packs equally among the bot stations unlocks the final evidence.

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
35 ÷ 5 = ?
4 ÷ 1 = ?
36 ÷ 6 = ?
45 ÷ 5 = ?
25 ÷ 5 = ?
18 ÷ 9 = ?
80 ÷ 10 = ?
110 ÷ 11 = ?
144 ÷ 12 = ?
22 ÷ 2 = ?
11 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain engaged the magnetic drop, then deployed the titanium shield.
2.The villain fired the glitter cannon, then blasted the pulse wave.
3.The villain activated the laser spin, then deployed the titanium shield.
4.The villain triggered the hydraulic slam, then turned on the thermal sensor.
5.The villain unleashed the sonic bash, then turned on the thermal sensor.
6.The villain unleashed the sonic bash, then blasted the pulse wave.
7.The villain activated the laser spin, then turned on the thermal sensor.
8.The villain triggered the hydraulic slam, then blasted the pulse wave.
9.The villain activated the laser spin, then ignited the rocket boosters.
10.The villain fired the glitter cannon, then ignited the rocket boosters.
11.The villain engaged the magnetic drop, then blasted the pulse wave.
12.The villain fired the glitter cannon, then turned on the thermal sensor.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Multiplication, Bar models, Multi-step word problems, Fractions of a number, Division
Reading level
grades 5-6
Theme
The Bot Slam Brawl Mystery — set in Tech Tube Arena Wrestling Ring
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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