Week 7: Tuesday - Daily 5

In Boise, Idaho, a museum displays the number 3,807,429. A student writes its expanded form as 3,000,000 + 800,000 + 7,000 + 400 + 20 + 9 and its word form as “three million, eight hundred seven thousand, four hundred twenty-nine.” Is the student correct, and how would you correct any error?

• Correct; no changes needed.

• Incorrect; word form should be “three million, eighty-seven thousand, four hundred twenty-nine.”

• Incorrect; expanded form should include 80,000 instead of 800,000.

• Incorrect; word form omits the hundreds place.

Answer explanation

The student is correct. The expanded form 3,000,000 + 800,000 + 7,000 + 400 + 20 + 9 accurately represents the number 3,807,429, and the word form "three million, eight hundred seven thousand, four hundred twenty-nine" is also correct.

In a story, Kai bravely fishes in a storm, while Lila waits safely on shore. How do their responses to the storm differ?

• Kai is cautious, and Lila is brave.

• Kai is brave, and Lila is cautious.

• Both are brave but act differently.

• Both are cautious but in different ways.

Answer explanation

Kai's action of fishing in a storm shows his bravery, while Lila's choice to stay on shore demonstrates her caution. Thus, their responses differ, with Kai being brave and Lila being cautious.

In the sentence “The salmon swam upstream,” what is the predicate?

• The salmon

• Swam upstream

• Upstream

• Swam

Answer explanation

The predicate of a sentence tells what the subject does. In "The salmon swam upstream," the action is "swam upstream," making "swam upstream" the correct predicate, as it includes both the verb and the direction.

How does a salmon’s streamlined body help it in a river ecosystem?

• It stores energy for long migrations.

• It allows faster swimming against currents.

• It camouflages the salmon from predators.

• It helps the salmon breathe underwater.

Answer explanation

A salmon's streamlined body reduces water resistance, allowing it to swim faster and more efficiently against strong river currents, which is crucial for migration and escaping predators.

Which Northwest Native American tribe was known for their large cedar plank houses in Puget Sound?

• Suquamish

• Apache

• Zuni

• Pawnee

Answer explanation

The Suquamish tribe, located in the Puget Sound region, is well-known for their large cedar plank houses, which were a significant part of their culture and architecture.