Comparing Speeds of Snails and Slugs

Mrs. Nelson explains how to compare the speeds of a slug and a snail using ratios and constant speeds. Both travel at constant speeds, and the lesson demonstrates that despite the snail traveling a greater distance, both move at the same speed when time is equalized. A double number line diagram is used to visualize and compare their speeds, leading to the conclusion that neither is faster. The objective is to understand comparing ratios by considering rates.

What is the main objective of the lesson?

• To explore the concept of time travel

• To understand the history of mathematics

• To compare ratios by considering their rates

• To learn about different types of animals

What is the initial claim made by Mai regarding the snail?

• The snail travels at the same speed as the slug

• The snail does not move at all

• The snail travels faster because it covers more distance

• The snail travels slower than the slug

What does 'constant speed' mean in the context of the lesson?

• The speed is slower than a snail

• The speed is faster than light

• The speed remains the same regardless of time

• The speed changes over time

How is a double number line diagram used in the lesson?

• To determine the age of the slug and snail

• To measure the weight of the slug and snail

• To compare the speeds of the slug and snail

• To compare the colors of the slug and snail

What conclusion is reached about the speeds of the slug and the snail?

• The slug is faster than the snail

• Neither moves at all

• The snail is faster than the slug

• Both travel at the same speed

Why did the snail appear to travel further than the slug?

• It traveled for a longer time

• It had a head start

• It was faster

• It was larger

What common factor was used to compare the slug and snail's speeds?

• The distance they traveled

• Their color

• The time they traveled

• Their size

What is the speed of both the slug and the snail?

• Two centimeters per second

• Six centimeters per second

• One centimeter per second

• Three centimeters per second

What was the purpose of allowing the slug to travel for six seconds?

• To see if it would stop

• To compare its distance with the snail

• To change its color

• To make it faster

What does the lesson teach about comparing ratios?

• Ratios are only for measuring weight

• Ratios should be compared by considering rates

• Ratios are irrelevant in speed comparison

• Ratios are not useful in mathematics