Content Area: Math
Grade Level: Fourth Grade - Elementary
School: Tower Street School, Westerly
Authors: Amy Grattan, Paul V. Sherlock Center, Rhode Island College, Anne Dogon, Special Education, Westerly, Nancy McGonagle, Grade 4, Westerly
Description: This introductory unit on fractions consists of four lessons:
Lesson 1: Students will recognize and identify that fractions are used in daily activities. They will "tell what they know" (facts, math terms) about fractions, as well as follow a simple recipe by pouring ingredients into measuring cups. They will figure out how to create a measurement amount without have the exact measuring cup.
Lesson 2: Students will demonstrate conceptual understanding of basic fractions, using manipulatives to understand the equivalent relationships between these fractions. They are asked to reason, plan and use evidence at a high level of thinking. They are asked to make observations and draw conclusions.
Lesson 3: Students will develop understanding of fractions as parts of unit wholes, using models, benchmarks, and equivalent forms to judge the size of fractions. They will find fractional parts of a group, and will write, read, and apply fraction notation. Students will interpret the relationship between a real world situation and fractions, and will use their knowledge of set model to create their own sets using a more abstract model.
Lesson 4: Students will identify common characteristics of a whole, and will identify a set of objects has a subset making up a fractional part. They will identify what fractional notation represents the subset. Students are asked to reason, plan and use evidence at a high level of thinking, make observations, draw conclusions, and justify their responses.
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