Common Core Math - Grade 3
Lesson Plan
Understand a fraction as the quantity formed by parts of a whole
Goals / Objectives
Partition a whole (circle, rectangle, or other shape) into a specified number of equal parts and explain why the parts must be equal
Identify and name a unit fraction 1/b as one part when a whole is divided into b equal parts (e.g., 1/4 is one part when a whole is cut into 4 equal parts)
Explain the meaning of the numerator and denominator in a fraction a/b - the denominator tells how many equal parts the whole is divided into, and the numerator tells how many of those parts are being counted
Construct a non-unit fraction a/b by counting unit fractions (e.g., 3/4 means three copies of the unit fraction 1/4)
Determine the fraction represented by a shaded region in an area model and shade a region to represent a given fraction
Standards
3.NF.A.1
3.NF.A.1: Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
Academic Vocabulary
Not in our source material
Materials
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Remediation
This lesson’s brief has no prerequisite standards
Enrichment
Accommodations
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Anticipatory Set / Bell Work
Modeling
Check for Understanding
Guided Practice
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Independent Practice
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