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Lesson plan

Round to the nearest hundred by using a number line

teaches Common Core State Standards 3.NBT.A.1 http://corestandards.org/Math/Content/3/NBT/A/1

Round to the nearest hundred by using a number line

Big Ideas: When rounding to the nearest hundred: 50 and above round up and 49 and below round down. The student will develop their rounding skills by understanding the big ideas. The students will be asked to round numbers to the nearest hundred. This lesson builds on students’ ability round numbers to the nearest hundred. The task uses a scenario to round numbers to the nearest hundred to solve real world tasks. Students will be building their foundational knowledge of place value and how it can play a role in solving tasks. The mathematical concepts in this lesson build towards students’ future work with in estimating solutions to problems. Vocabulary: rounding Special Materials: Math Journals Blank Number Lines