IXL | Quantities that combine to zero: word problems

In which story is the answer to the question 0?

Jeremiah worked at a summer camp last summer. His cabin was located at an elevation of -30 feet. Every morning, he jogged from his cabin along a trail. The trail ended at an elevation 30 feet lower than the elevation of his cabin. At what elevation did the trail end?

Jeremiah worked at a summer camp last summer. His cabin was located at an elevation of -30 feet. Every morning, he jogged from his cabin along a trail. The trail ended at an elevation 30 feet higher than the elevation of his cabin. At what elevation did the trail end?

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question

In which story is the answer to the question 0?

Beth's neighborhood is having a community yard sale. At the yard sale, Beth sold her dollhouse for $50. Later, she bought a suitcase from her neighbor for $50. How much money did Beth gain by the end of the yard sale?

Beth's neighborhood is having a community yard sale. At the yard sale, Beth sold her dollhouse for $50. Later, she sold her old suitcase for $50. How much money did Beth gain by the end of the yard sale?

solution

You want to find which story has 0 as the answer to the question.

Read the first story.

Beth received $50 from selling her dollhouse. Then, she spent

$50.

So, Beth gained $0 by the end of the yard sale.

Read the second story.

Beth received $50 from selling her dollhouse and another $50 from selling her suitcase.

So, Beth gained $100 by the end of the yard sale.

Looking for more? Try these:

Lesson: Additive inverses

Lesson: Integers

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O.4Understanding opposite integers

O.1Understanding integers

Lesson: Additive inverses

Lesson: Integers

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