Topic: Adding & Subtracting Decimals
|Topic: Adding & Subtracting Decimals |Date: Summer 2011 |
|Course/Subject: Math |Grade: 5 |
| |School District: Appoquinimink |
|Concept: |Concept: |Concept: |
|Representing Decimals |Comparing Decimals to the thousandths |Adding and subtracting decimals to the |
| | |hundredths |
| | | |
|Lesson Essential Questions: |Lesson Essential Questions: |Lesson Essential Questions: |
|How is a decimal similar to numbers I already |How can you use a number line or grid to compare |What strategies do you use to add and subtract |
|know? |decimals? |decimals (Including Decimals with Whole |
|How do you read and write tenths, hundredths |How can you use benchmark fractions and percents to |Numbers) |
|and thousands? |compare/order decimals? |How do you assess the reasonableness of you |
|How do we represent decimals as parts of a |How do you compare decimals that are greater than |answer using estimation? |
|100’s grid? |one? | |
| | | |
| | | |
| | | |
|Vocabulary: |Vocabulary: |Vocabulary: |
|Tenths, hundredths, thousandths, fractions, |Benchmarks, number line, less than, greater than, |Rounding, estimation, |
|decimals, expanded form, number line, grid, |equal to, grid, equivalents, | |
|place value | | |
|Additional Resources: |
|Unit 6 Investigation 1 (1.5A) |
|Investigation 2 (2.5A) |
|Concept: |Concept: |Concept: |Concept: |Concept: |
| | | | | |
|Lesson Essential Questions: |Lesson Essential Questions: |Lesson Essential Questions: |Lesson Essential Questions: |Lesson Essential Questions: |
| | | | | |
|Vocabulary: |Vocabulary: |Vocabulary: |Vocabulary: |Vocabulary: |
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Key Learning: Students will read, write, compare, add and subtract decimals.
Unit Essential Question: How do you read, write, compare add and subtract decimals?
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