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# Standard #: MA.7.NSO.2.2

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Add, subtract, multiply and divide rational numbers with procedural fluency.

### General Information

Subject Area: Mathematics (B.E.S.T.)
Strand: Number Sense and Operations
Status: State Board Approved

#### Related Courses

 Course Number1111 Course Title222 1200400: Foundational Skills in Mathematics 9-12 (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 1205020: M/J Accelerated Mathematics Grade 6 (Specifically in versions: 2014 - 2015, 2015 - 2020, 2020 - 2022, 2022 and beyond (current)) 1205040: M/J Grade 7 Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 1204000: M/J Foundational Skills in Mathematics 6-8 (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 7812020: Access M/J Grade 7 Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2019, 2019 - 2022, 2022 and beyond (current))

#### Related Access Points

 Access Point Number Access Point Title MA.7.NSO.2.AP.2 Using tools or models, add, subtract, multiply and divide rational numbers.

#### Educational Game

 Name Description Fraction Quiz Test your fraction skills by answering questions on this site. This quiz asks you to simplify fractions, convert fractions to decimals and percentages, and answer algebra questions involving fractions. You can even choose difficulty level, question types, and time limit.

#### Educational Software / Tool

 Name Description Arithmetic Quiz In this activity, students solve arithmetic problems involving whole numbers, integers, addition, subtraction, multiplication, and division. This activity allows students to track their progress in learning how to perform arithmetic on whole numbers and integers. This activity includes supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.

#### Formative Assessments

 Name Description Complex Fractions Students are asked to rewrite complex fractions as simple fractions in lowest terms. Positive and Negative Fractions Students are asked to add, subtract, multiply, and divide positive and negative fractions. Rational Water Management Students are asked to combine rational numbers, including fractions and decimals, and use the properties of operations to simplify calculations. Understanding Products Students are asked to explain why the product of a positive and a negative rational number is negative. Negatives Explained Students are asked to describe a real-world context for a given expression involving the product of two rational numbers. Applying Rational Number Properties Students are asked to evaluate expressions involving multiplication of rational numbers and use the properties of operations to simplify calculations.

#### Lesson Plans

 Name Description Independent Compound Probability During this lesson, students will use Punnett Squares to determine the probability of an offspring's characteristics. Decisions, Decisions! In this Model Eliciting Activity, MEA, students will research a list of companies to invest in through purchasing stocks. Students will calculate the amount invested and readjust their investment choices.Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.

#### Tutorial

 Name Description Adding and Subtracting Numbers in Different Formats In this example, we will work with three numbers in different formats: a percent, a decimal, and a mixed number.

#### Video/Audio/Animation

 Name Description Interpreting Negative Number Statements Explore negative numbers to represent real world situations in this tutorial.

#### Educational Game

 Name Description Fraction Quiz: Test your fraction skills by answering questions on this site. This quiz asks you to simplify fractions, convert fractions to decimals and percentages, and answer algebra questions involving fractions. You can even choose difficulty level, question types, and time limit.

#### Educational Software / Tool

 Name Description Arithmetic Quiz: In this activity, students solve arithmetic problems involving whole numbers, integers, addition, subtraction, multiplication, and division. This activity allows students to track their progress in learning how to perform arithmetic on whole numbers and integers. This activity includes supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.

#### Tutorial

 Name Description Adding and Subtracting Numbers in Different Formats: In this example, we will work with three numbers in different formats: a percent, a decimal, and a mixed number.

Printed On:12/2/2022 2:20:21 AM
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