Unit 3 - Lesson 1 - Grade 8: Illustrative Mathematics

What do you notice? What do you wonder?

Which line shows the ladybug’smovement?

Which line shows the ant’s movement?

Explain your reasoning.

How long does it take the ladybug to travel 12 cm? The ant?

Scale the vertical and horizontal axes by labeling each grid line with a number. You will need to use the time and distance information shown in the tick-mark diagrams.Mark and label the point on line u and the point on line v that represent the time and position of each bug after traveling 1 cm.

Write an equation for each of the three lines.

Explain how your line shows that the turtle is going half as fast.