A Look at Standards for Mathematical Practice Gr. 3-5

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# A Look at Standards for Mathematical Practice Gr. 3-5 - PowerPoint PPT Presentation

A Look at Standards for Mathematical Practice Gr. 3-5. Class 1 January 31, 2011. Learning Intentions. We are learning to recognize the first of the Standards for Mathematical Practices within a chosen Content Standard and identify those standards within a particular math task.

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## A Look at Standards for Mathematical Practice Gr. 3-5

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### A Look at Standards for Mathematical Practice Gr. 3-5

Class 1

January 31, 2011

Learning Intentions

We are learning to recognize the first of the Standards for Mathematical Practices within a chosen Content Standard and identify those standards within a particular math task.

We will know we are successful when we can articulate how both a Content Standard and a Standard for Mathematical Practices are infused in a math lesson in the classroom

Folding Fraction Strips

Fold fraction strips to represent the following:

As you fold, discuss with your partner how you know that your fraction strips are accurate.

Turn and Talk
• What was the benefit of folding your own fraction strips?
• In what way would the cognitive demand be affected if we were to hand you a pre-printed set of strips?

½ ¾ 1 1 ¼ 1 ½

• Choose a target number from this set that is less than 1 or more than 1
• Make a model of that number using your fraction strips to serve as a reference.
• Using your fraction strips find combinations to represent your target number.
• Start with combinations of 2 fractions, then 3, then 4, etc.
• Record your combinations. Also record any conjectures your group makes as you work on the task.
• If you feel that you have explored all combinations for your first target number, pick a second one.
• What did you understand about fractions that allowed you to make combinations?
• What ideas about addition of fractions surface as you engaged in these explorations?
• How did the fraction strip model support your thinking
Unpacking the Practice Standard

1. Make sense of problems and persevere in solving them.

* - “This makes sense to me.”

With your group, discuss questions and highlight key ideas in this standard.

• What would this practice look like in a classroom?
• Students would be…
• Teachers would be…
Lookingat a Cluster of Content Standards
• Domain: Number and Operations: Fractions
• Cluster:

Gr 3: Develop understanding of fractions as numbers.

Gr 4: Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.

Gr 5: Use equivalent fractions as a strategy to add and subtract fractions

• Standards: 3.NF.3
Unpacking the Content Standard

* - “This makes sense to me.”

With your group, discuss questions and highlight key ideas in this standard.

### Understanding Understanding

What does that verb mean in these math standards?

Content Standard Discussion