1. Moving Straight with RoboMath: 1
Discuss with your partner/table:
Ziffle’s Tribot required 1.3 rotations to travel 25cm.
How many rotations must Ziffle program in his Move Block duration for his Tribot to travel 75cm?
Scale Factor
1.3 rotations
25 cm
x rotations
75 cm =
Scale Factor
x = 1.3 rotation x 3
x = 3.9 rotations
75 cm
25 cm
Scale Factor =
= 3

2. Moving Straight with RoboMath: 2
Discuss with your partner/table:
Ziffle’s Tribot required 520 degrees to travel 25cm.
How many rotations must Ziffle program in his Move Block duration for his Tribot to travel 62.5cm?
Scale Factor
520 degrees
25 cm
x degrees
62.5 cm =
Scale Factor
x = 520 degrees x 2.5
x = 1,300 degrees
62.5 cm
25 cm
Scale Factor =
= 2.5

3. Moving Straight with RoboMath: 3
Discuss with your partner/table:
Ziffle’s Tribot required 1.25 rotations to travel 25cm.
How many rotations must Ziffle program in his Move Block duration for his Tribot to travel 108cm?
Step 1:
Write Ratio
Step 2: Create
Proportion
Scale Factor
1.25 rotations
25 cm
x rotations
108 cm =
Step 4: Use
Scale Factor
Scale Factor
Step 3:
Calculate
108 cm
25 cm
x = 1.25 rotations x 4.32
x = 5.4 rotations
Scale Factor =
= 4.32

4. Moving Straight with RoboMath: 4
Ziffle’s Tribot required 500 degrees to travel 25cm. How many degrees must Ziffle program in his Move Block duration for his Tribot to travel 94cm?
Step 1:
Write Ratio
Step 2: Create
Proportion
Scale Factor
500 degrees
25 cm
x degrees
94 cm =
Step 4: Use
Scale Factor
Scale Factor
Step 3:
Calculate
94 cm
25 cm
x = 500 degrees x 3.76
x = 1,880 degrees
Scale Factor =
= 3.76