Unit 5, Lesson 1
How Do We Compose a Hundred?
Grade 2
Activity 1
- How many do you see? How do you see them?
- Andre added more blocks.
- What is the value of his blocks now?
- How many tens and ones does he have?
- Andre made the same number with the fewest number of blocks possible. Draw a base-ten diagram to show how the number looks now. Use your base-ten blocks to help.
Activity 2
Three students look at 100 small squares arranged this way.
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Match the diagrams to the statements. Label each diagram with a, b, or c.
- Priya said, “I see 100 ones.”
- Kiran said, “I see 10 tens.”
- Lin said, “I see 1 hundred.”
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- Represent with blocks or a diagram.