Lesson plan

Compare two decimals using a number line and comparison symbols

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.Practice.MP6 http://corestandards.org/Math/Practice/MP6
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: Decimals can be compared based on their size. Decimals have a whole number part to the left of the decimal and, to the right, a part representing less than one whole. The task represented in this lesson uses timed sports as the real-world context. Students will use their understanding of place value to order and compare decimal numbers using a number line. Students need to recognize the place value of the digits when given a decimal number. In learning how to locate and compare decimal numbers on a number line, students are laying the foundation for computation of decimal numbers in later grades. Vocabulary: decimal, decimal place value, compare, expanded form, word form, symbol, hundredths, tenths, thousandths Special Materials: Number line