Lesson plan

# 2. Filling in missing numbers in 120 chart (FP)

teaches Common Core State Standards CCSS.Math.Content.1.NBT.A.1 http://corestandards.org/Math/Content/1/NBT/A/1
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: Extend counting sequence to 120.

This lesson helps to build fluency with counting to 120. Number charts and number lines are used here because it supports recognition of number patterns. This work develops students' understanding that number patterns continue beyond 100.

Students engage in Mathematical Practice 7 (Students continue to explore the structure of place value) as they notice the continuity of number patterns throughout the counting sequence, particularly in terms of place value.

Key vocabulary:

• number line
• patterns

Special materials needed:

• 120 chart