UNIT X UNIT 7 | 275 FORMATIVE ASSESSMENT DIFFERENTIATED INSTRUCTION Scaffold To help students discuss the questions, provide these sentence frames: _____ use the most water for irrigation. I live in _____. My state uses _____ to _____ million gallons per day. The climate in Texas must be _____. Amplify Have students use the information from the map to create a bar graph. Ask them to put the water withdrawals per day on the horizontal axis and the number of states on the vertical axis. Write: Irrigating the Land Complete the sentences: To get water from wet areas to dry areas, people use _____. Farmers make water _____ from underground springs for their crops. C • Identify academic vocabulary Ask a volunteer to read the instructions aloud. Point out the word highlighted in yellow. Say: This is an academic vocabulary word. Find the word, definition, and example definition on the page. Ask a volunteer to read the Academic Vocabulary box aloud. • Understand maps Draw attention to the map. Ask: What is this a map of? (the United States) Point out the heading and ask a volunteer to read it aloud. Say: This map shows the total water withdrawals in the United States. Then point out the key in the bottom right-hand corner and read it aloud. Say: The states that are the lightest shade of blue withdraw 0 to 2,000 million gallons of water per day. How many gallons per day do the states that are the darkest shade of blue withdraw? (20,001 to 28,800 million gallons) • Background knowledge In the U.S. 1,000 million is 1 billion. In countries that use the metric system, 1,000,000 million is 1 billion. Have students practice reading the numbers in the key as billions. • Make connections Preview the questions. Check comprehension of the term infer. Say: When you infer something, you use information to form an opinion that is probably true. For example, if someone comes into the building with a wet umbrella, I can infer that it’s been raining. Have students discuss the questions in pairs. Then ask volunteers to share their answers with the class. ANSWERS 1. Texas and California use the most water for irrigation. 2. Sample answer: I live in Louisiana. My state uses 5,001 to 10,000 million gallons per day. 3. The climate in Texas must be arid. Practice Book p. 149 Assessment Program p. 129 COMMUNICATE C Making connections This map shows water withdrawals from irrigation systems in the United States. Use the map to answer the questions. 1. Which states use the most water for irrigation? 2. Find the state you live in on the map. How much water does your state use? 3. Look at how much water Texas uses every day. What can you infer about the climate in Texas? Total Water Withdrawals ACADEMIC VOCABULARY withdrawal (noun) Definition the act of taking away something Example Farmers make water withdrawals from underground springs for their crops. UNIT 7 275 UNIT 7 / CONNECT TO SOCIAL STUDIES
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