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Module Two focuses on subtraction because middle school students view addition as ‘too easy’. They typically find subtraction challenging.
Module Two focuses on subtraction because middle school students view addition as ‘too easy’. They typically find subtraction challenging.
Subtraction has two meanings:
Subtraction has two meanings:
taking away or removing, and
finding the difference or distance between two numbers.
Module Two aims to help students develop an intuitive understanding of subtraction as a distance, in order to build a solid foundation for higher level mathematics.
Module Two aims to help students develop an intuitive understanding of subtraction as a distance, in order to build a solid foundation for higher level mathematics.
Module Two concludes by looking at how to ensure all students feel safe enough to want to talk in every Number Talks session.
Module Two concludes by looking at how to ensure all students feel safe enough to want to talk in every Number Talks session.
Step One
Step One
Click here to work through the Google Slides outlining five different subtraction strategies that work efficiently across the continuum of rational numbers.
Click here to work through the Google Slides outlining five different subtraction strategies that work efficiently across the continuum of rational numbers.
Rational Numbers: Click here to work through Google Slides outlining three strategies that work specifically with decimals, fractions and even integers.
Step Two
Step Two
Read: Making Number Talks Matter, Chapter 4: Subtraction Across the Grades, pages 37−58.
Reflection Questions:
What does subtraction mean?
How can you use an open number line to help students visualize subtraction?
Step Three
Step Three
Step Four
Step Four
Rational Numbers: Click here to review Subtraction Problems (decimals, fractions and integers) for three strategies.
Step Five
Step Five
Optional Reading:
Optional Reading:
Digging Deeper Making Number Talks Matter Even More, Chapter 7: Safety, pages 75−80.
Digging Deeper Making Number Talks Matter Even More, Chapter 7: Safety, pages 75−80.
Reflection Question:
Reflection Question:
How will you create a learning environment that ensures students feel safe during Number Talks?
Click here to complete the Module Two Survey by October 6, 2024.
Facilitate Subtraction Number Talks, two to three times per week, in one class, for about five weeks.
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