WGU C 284 MATHEMATICS TEACHING AND LEARNING TASK
#3
Brittany Bailey
Mathematics Teaching and Learning
Task #3
General Information
Lesson Title: Circumference
Subject(s): Geometry
Grade Level: 7th Grade
Prerequisite Skills/Prior Knowledge:
• Ratios
• Ability to use and read a ruler/tape measure
• Multiplication and division
• Definition of perimeter
• Variables
• Metric units
Instructional Setting:
Lesson concepts will be introduced in a whole group setting. Students will work collaboratively in
small groups to complete their investigation.
Standards and Objectives
Arkansas Math Content Standards
7.G.B.4 – Know the formulas for the area and circumference of a circle and use them to solve
problems
Learning Objective(s):
Students will discover the ratio between circumference and diameter and use this ratio to derive
the formula for circumference. Given 4 problems, students will correctly calculate the
circumference with 75% accuracy.
Materials
• Various round objects
• Tape measures
• Calculators
Language Demands
Language Function:
• Students will listen and comprehend a story involving circumference.
• Students will interact with the story through acting out problems in the story.
• Students will recognize the ratio between circumference and diameter.
, Vocabulary:
• Ratio
• Circumference
• Diameter
• Radius
• Pi
Discourse and/or Syntax:
Students will answer the following questions:
• What is the ratio of the circumference of a circle to its diameter?
#3
Brittany Bailey
Mathematics Teaching and Learning
Task #3
General Information
Lesson Title: Circumference
Subject(s): Geometry
Grade Level: 7th Grade
Prerequisite Skills/Prior Knowledge:
• Ratios
• Ability to use and read a ruler/tape measure
• Multiplication and division
• Definition of perimeter
• Variables
• Metric units
Instructional Setting:
Lesson concepts will be introduced in a whole group setting. Students will work collaboratively in
small groups to complete their investigation.
Standards and Objectives
Arkansas Math Content Standards
7.G.B.4 – Know the formulas for the area and circumference of a circle and use them to solve
problems
Learning Objective(s):
Students will discover the ratio between circumference and diameter and use this ratio to derive
the formula for circumference. Given 4 problems, students will correctly calculate the
circumference with 75% accuracy.
Materials
• Various round objects
• Tape measures
• Calculators
Language Demands
Language Function:
• Students will listen and comprehend a story involving circumference.
• Students will interact with the story through acting out problems in the story.
• Students will recognize the ratio between circumference and diameter.
, Vocabulary:
• Ratio
• Circumference
• Diameter
• Radius
• Pi
Discourse and/or Syntax:
Students will answer the following questions:
• What is the ratio of the circumference of a circle to its diameter?
