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Shade Trees in the Heat

Read how a desert-city nursery responds to changing buyers and supplies, then explain how supply and demand affect prices.

Grade 4Social StudiesInteractive · Printable

Aligned toECO.4.2

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What’s included

Single worksheet
Auto-graded online
1 C3 Framework standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 4
Subject: Social Studies
Question types: Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students explain how changes in supply and demand can affect prices.
Students use evidence to compare the amount buyers want with the amount sellers offer.
Students predict price changes in new supply-and-demand situations.

How to use

Read the nursery story together, study the requests graph, and ask students to explain each prediction with evidence from the page.

Curriculum

C3 Framework standard covered

ECO.4.2

Explain supply and demand and how they affect prices.

Preview

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Name Date

Shade Trees in the Heat

Use a family nursery's story to explain supply, demand, and prices.

Read about the nursery

Read the story and study the graph. Then answer the questions.

A Hot Week at Cactus Bloom Nursery

Cactus Bloom Nursery is a family business in Arroyo City, a desert city with very hot, sunny summers. Leila works there with her parents. They grow plants that can live with little water, including young shade trees. Before the summer heat, the nursery usually has about eight customers ask about shade trees each week. A tree costs $18.

One May week, the weather service warned that a heat wave was coming. More families wanted trees to shade their yards. Sixteen customers asked for a tree, but the nursery had only twelve young trees ready. Leila's parents changed the posted price to $24. Some customers bought a tree, while others decided to wait.

The family bought more young trees from another grower and began growing more for the next season. By the third week, twenty young trees were ready. The heat wave had ended, and only twelve customers asked about trees. The family changed the price to $20. They hoped the lower price would help sell the trees before they grew too large for the small nursery.

Leila kept a record of the number of customers and the price each week. She noticed that the number of trees available and the number of people who wanted them did not stay the same. Her family used those two pieces of information when making a plan for the nursery.