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Standards for mathematical practice

MA.6.AR.3 Understand ratio and unit rate concepts and use them to solve problems.

 

MA.6.AR.3.1 Given a real-world context, write and interpret ratios to show the relative sizes of two quantities using appropriate notation: 𝑎/𝑏 , 𝑎 to 𝑏, or 𝑎: 𝑏 where 𝑏 ≠ 0.


MA.6.AR.3.2 Given a real-world context, determine a rate for a ratio of quantities with different units. Calculate and interpret the corresponding unit rate.

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MA.6.AR.3.3 Extend previous understanding of fractions and numerical patterns to generate or complete a two- or three-column table to display equivalent part-to-part ratios and part-to-part-to-whole ratios.

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MA.6.AR.3.4 Apply ratio relationships to solve mathematical and real-world problems involving percentages using the relationship between two quantities.

objectives

After the successful completion of the lessons and corresponding assessments, students will be able to...

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  • Write and interpret ratios as part-to-part and part-to-whole using a colon, fraction notation, and the word "to".

  • Find the unit rate given a real-world scenario.

  • Identify and create equivalent ratios using a table.

  • Find a missing part or a whole and a missing percent given a scenario.

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