Calculating Speed and Costs

The video tutorial covers the concept of equivalent ratios and their unit rates. It begins with an introduction to the learning targets, followed by a number talk activity to identify differences in units and formats. The tutorial then demonstrates how to calculate costs using unit rates with a burrito example. Finally, a task is presented to calculate a cheetah's speed using given distance and time.

What is the learning target for the session on equivalent ratios?

• To explore the metric system

• To learn about the history of mathematics

• To give an example of two equivalent ratios and show they have the same unit rates

• To understand the concept of fractions

Which unit is used in number four that makes it different from the others?

• Feet

• Miles

• Kilometers

• Inches

What is the significance of identifying which number doesn't belong in a set?

• To memorize numbers

• To practice addition

• To understand different units and formats

• To learn about different cultures

What is the cost of four burritos if two burritos cost $14?

• $21

• $14

• $28

• $35

How much would five burritos cost if two burritos are $14?

• $28

• $49

• $35

• $42

What is the cost of a single burrito if two burritos cost $14?

• $5

• $8

• $7

• $6

If 10 burritos cost $70, what is the cost per burrito?

• $5

• $7

• $6

• $8

What is the unit rate for the cost of burritos if two cost $14?

• $8 per burrito

• $5 per burrito

• $7 per burrito

• $6 per burrito

What is the first step in calculating the speed of a cheetah running at a constant speed?

• Multiply distance by time

• Divide distance by time

• Find the time

• Find the distance

If a cheetah runs 120 meters in 4 seconds, what is its speed?

• 30 meters per second

• 20 meters per second

• 35 meters per second

• 25 meters per second