Lesson plan

Round decimals by using a decimal grid

teaches Common Core State Standards CCSS.Math.Content.5.NBT.A.3b http://corestandards.org/Math/Content/5/NBT/A/3/b
teaches Common Core State Standards CCSS.Math.Content.5.NBT.A.4 http://corestandards.org/Math/Content/5/NBT/A/4
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Big Ideas: We can use visual models to help us round decimals. In grade four, students were taught to compare decimals to the hundredths using a visual model. In this lesson, students will be asked to draw upon their previous knowledge to utilize the same model as a strategy for visualizing how to round decimals. Moving forward, students will apply this knowledge to basic decimal computation. Vocabulary: digit, hundredths, place value, round, tenths, thousandths Special Materials: decimal grid - tenths, hundredths, thousandths