Counting Stars (Using both multiplicative and additive comparisons in real-life situations)

The video tutorial explores the fictional Planet Rupert, home to aliens Zedd and Razor, who enjoy counting stars. The tutorial introduces two star groups: pink and blue. Zed uses a multiplicative comparison, stating the blue group has three times as many stars as the pink group. Razor uses an additive comparison, claiming the blue group has 10 more stars than the pink group. Both methods are correct, demonstrating different comparison techniques. The lesson concludes with definitions of multiplicative and additive comparisons.

What are the names of the two aliens living on Planet Rupert?

• Zane and Roxy

• Zeke and Ruby

• Zedd and Razor

• Zara and Rex

How many times more stars does Zedd claim the blue group has compared to the pink group?

• Four times as many

• Three times as many

• Five times as many

• Twice as many

According to Razor, how many more stars does the blue group have than the pink group?

• 5 more stars

• 15 more stars

• 10 more stars

• 20 more stars

What type of comparison did Zedd use to compare the star groups?

• Divisive comparison

• Additive comparison

• Multiplicative comparison

• Subtractive comparison

Which comparison method involves describing the relation as 'times as many'?

• Multiplicative comparison

• Divisive comparison

• Subtractive comparison

• Additive comparison