Lesson plan

# 8. Compare two-digit numbers using place value (FP)

teaches Common Core State Standards CCSS.Math.Content.1.NBT.B.2 http://corestandards.org/Math/Content/1/NBT/B/2
teaches Common Core State Standards CCSS.Math.Content.1.NBT.B.3 http://corestandards.org/Math/Content/1/NBT/B/3
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Lesson objective: Compare two-digit numbers using phrases like "is greater than," "is less than," "is equal to".

This lesson helps to build fluency with comparing two-digit numbers. Base-ten blocks and arrow cards are used to support understanding of how tens and ones compose two-digit numbers. This work develops students' understanding that place-value is important when comparing two-digit numbers.

Students engage in Mathematical Practice 7 (Students continue to explore the structure of place-value. They will see the system for grouping numbers into the tens and ones that compose the numbers) as they consider place-value while comparing two-digit numbers.

Key vocabulary:

• arrow cards
• base-ten blocks
• equal to
• greater than
• less than

Special materials needed:

• dice
• base-ten blocks
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• 8. Compare two-digit numbers using place value (FP)