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IM: 6.3.5: Comparing Speeds and Prices (Lesson)

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Last updated 11 months ago
7 questions
5.1: Closest
1
Question 1
1.
Is the value of each expression closer to 1/2, 1, or 11/2?

  • 20 \div 18 __________
  • 9 \div 20 __________
  • 7 \div 5 __________
5.2: More Treadmills
Are you ready for more?
1
5.3: The Best Deal on Beans
Some students did treadmill workouts, each one running at a constant speed. Answer the questions about their workouts. Explain or show your reasoning.
  • Tyler ran 4,200 meters in 30 minutes.
  • Kiran ran 6,300 meters in 1/2 hour.
  • Mai ran 6.3 kilometers in 45 minutes.
1
Question 2
2.

What is the same about the workouts done by:
  • Tyler and Kiran?
  • Kiran and Mai?
  • Mai and Tyler?

1
Question 3
3.

At what rate did each of them run?

1
Question 5
5.

Tyler and Kiran each started running at a constant speed at the same time. Tyler ran 4,200 meters in 30 minutes and Kiran ran 6,300 meters in 1/2 hour. Eventually, Kiran ran 1 kilometer more than Tyler. How much time did it take for this to happen?

Four different stores posted ads about special sales on 15-oz cans of baked beans.
1
Question 6
6.

Which store is offering the best deal? Explain your reasoning.

1
Question 7
7.

The last store listed is also selling 28-oz cans of baked beans for $1.40 each. How does that price compare to the other prices?

Question 4
4.

How far did Mai run in her first 30 minutes on the treadmill?