IB Proportions

Subject: Math
Grade Level: 7th
Participants: Allison Blevins, Sherry Wallace, Jeanne Simpson

MYP Aim or Objectives

• Recognize the relationship between mathematics and everyday life
• Develop and apply information and communication technology skills

ACOS Content Standard: Ratios and Proportions

Intercultural Connection Ideas
We are communicating with students in Canada and comparing everyday cost of living between Decatur and Winnipeg.

Resources:

• Stretching and Shrinking
• Comparing and Scaling

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* MMI Handouts

• 7math.wikispaces.com

Some possible example questions
Assessment
Students will create an open-ended question about everyday life in Decatur and present it to the Canadian students. They will also create answer keys showing correct answers and how they would be scored according to ARMT guidelines.

Rubric for IB Criterion D, Reflection and Evaluation

0	The student does not reach a standard described by any of the descriptions given below.
1-2	The student attempts to justify the method used and to evaluate the reliability of findings.
3-4	The student justifies the method and the majority of processes used. The students evaluate the reliability of findings with some success.
5-6	The student presents a reasoned justification for the method and processes and provides and evaluation of the significance and reliability of findings. The student suggests other approaches to solving the problem.
7-8	The student presents a concise, reasoned justification and considers fully the range of approaches which could have been used, including the use of technology. The student makes a thorough evaluation of the significance and reliability of the findings.