[2015] Brent Ramsay: Figuring Fractions

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[2015] Brent Ramsay: Figuring Fractions

In the unit, Figuring Fractions, students will utilize real world examples to explore fractions as real numbers. This is one of the four critical areas instructional time should focus on in third grade.

with Mr. Brent Ramsay


Students will determine the fraction that represents a single piece of an equally divided whole.

Figuring Fractions

Students will be able to explore and identify equal parts of a whole.




Students will learn to divide multiple objects to create equal shares.


Students will identify the fraction that represents multiple pieces of an equally divided whole.


Students will be able to locate a fraction on a number line.


A movement preassessment, during the lesson students complete group work and explanation. Post assessment will be on the worksheet.

Pre-assessment is number line exercise. Next groups answer questions. The summative assessmen is fraction number lines creation and workbook. The unit formative assessment is portfolio and unit test.

and Assessments...

Vocabulary preassessment. A formative assessment with fraction circles. Post assessment is a foldable and workbook.

Pre-assessment is fist of five. During lesson, students will use whiteboards. Summative assessment is cellar project and workbook.

Pre-assessment is a fist of five. During the lesson students categorize their harvest. Post assessment is workbook.

The Instructional Plans

The Concept Formation lesson will begin with a discussion of equal shares in community harvests across Alaska. Activity will have students catch different food sources scattered throughout the room and divide them equally amongst their group and list their shares. Class will regroup for discussion on difficulties.

This Direct Instruction lesson will open with a verbal review and a YouTube video on fractions which will be followed with a story about denominators and numerators. We will then use activities from the day before to write actual fractions using denominators and numerators, then use white boards and fractions circles to practice the conept. Lesson concludes with a fractions foldable.

This Direct Instruction lesson will begin with a vocab review, and an exercise using fingers and thumbs. Data will then be collected around the class to make fractions using whiteboards. Students will practice concpet with activities from Day 2, creating fractions from their shares of the harvest.

This Direct Instruction lesson will open with a vocab review and locating 1/2 on a giant number line drawn on white board. A new number line will then be used and begin at zero and go to one, while featuring a drawing of an entire whale above the line. The students will then locate different fractions on the line by dividing the whale into said fractions. An online activity checks for understanding and construction of a number line will guide their practice.

The Learning Cycles lesson will beign with a movement activity dividing the class and individuals into equal parts. Next, small groups will decide how best to divide a large paper pizzas into equal sizes, and present the way they made their cuts with the document camera. The students will expand the lesson with a worksheet practicin their exploration.

Success: Equal Parts in "Pefect Parts of a Pizza"Least Success:Equal Shares in "Sharing the Harvest"

Teaching Reflections...

ConclusionThe unit laid the foundation for figuring fractions in a fun and meaningful way for the students. By relating food and culture to the content, students were engaged to learn. ...If only they had some practice learning in small groups!


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