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Unit 5 - Lesson 10 - Grade 2: Illustrative Mathematics

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Grade 2 Unit 5
Lesson 10: Place Value Comparisons (Part 1)
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 5
Lesson 10: Place Value Comparisons (Part 1)
CC BY 2021 Illustrative Mathematics®
Lesson: Place Value Comparisons (Part 1)

Number Talk: Add Tens (Warm Up)

Find the value of each expression mentally.

Compare by Place

Who has more?

How do you know?

Compare the base-ten diagrams.

Write each value as a three-digit number. Use the symbols <, >, or = to compare the numbers.

Write each value as a three-digit number. Use the symbols <, >, or = to compare the numbers.

Write each value as a three-digit number. Use the symbols <, >, or = to compare the numbers.

Compare Hundreds, Tens, and Ones

Compare the base-ten diagrams.

Write each value as a three-digit number. Use the symbols >, <, or = to
compare the numbers.

Write each value as a three-digit number. Use the symbols >, <, or = to
compare the numbers.

Write each value as a three-digit number. Use the symbols >, <, or = to
compare the numbers.

Write each value as a three-digit number. Use the symbols >, <, or = to
compare the numbers.

In the last problem, how do you know which value was greater?

Cool Down: Count and Compare

Write the value of each base-ten diagram as a three-digit number. Use the symbols <, >, = or to compare the numbers.

Explain how you know.