Section B Section B Checkpoint

Problem 1

How many ounces are in 5 pounds? Explain or show your reasoning.

Show Solution

Solution

80 ounces. There are 16 ounces in 1 pound, and

5 \times 16 = 80

Show Sample Response

Sample Response

80 ounces. There are 16 ounces in 1 pound, and

5 \times 16 = 80

Problem 2

Select the longest measurement.

200,000 cm

400 m

3 km

60 cm

Show Solution

Solution

3 km

Show Sample Response

Sample Response

3 km

Problem 3

Tyler is going to the zoo for a field trip. He will stay at the zoo for $3 \frac{1}{2}$ hours. The table shows how long Tyler plans to spend at each attraction within the zoo.

attraction	amount of time
Monkey and Gorilla Gymnasium	50 minutes
Bird House	25 minutes
Reptile Terrarium	45 minutes
African Safari	1 hour and 10 minutes

Does Tyler have enough time to visit all the attractions? Explain or show your reasoning.

Show Solution

Solution

Yes. Sample reasoning: 1 hour and 10 minutes is 70 minutes. All the times together make 190 minutes. 3 hours is 180 minutes, and a half hour is 30 minutes so that is 210 minutes.

Show Sample Response

Sample Response

Yes. Sample reasoning: 1 hour and 10 minutes is 70 minutes. All the times together make 190 minutes. 3 hours is 180 minutes, and a half hour is 30 minutes so that is 210 minutes.