Grade 6: Nana's party
(From: https://sites.google.com/qc.cuny.edu/m2c3/teacher-resources/home-and-family-activities-task/nanas-birthday?authuser=0
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How to solve operations with whole numbers and money
How to solve multistep problems involving rounding with money
Use mathematics to justify my conclusion
Formative Assessment Rubric: https://drive.google.com/file/d/0B_N7BDdYb2bgTTY4cEtRU3p1WEU/view?usp=sharing
Student Tasks:
https://drive.google.com/file/d/1zTHRlo_Aoc3p-OBPlOwclDE7S_JRWOfq/view?usp=sharing
Four operations (addition, subtraction, multiplication and division) using numbers between 0-1000.
Fair shares (division); equal groups (multiplication);
In this instance fair sharing may mean that shares are proportional to earnings/savings rather than equal
Partitioning
Equivalent fractions
Representing math ideas with pictures, symbols, and words.
Discuss in Small Groups
•In what situations have you been involved in sharing costs?
• Think about situations with family, friends, siblings or coworkers. With family?
• How do you decide how much each person pays?
• What factors impact your decisions?
Task A:
It is Nana Rosa’s 65th Birthday.
Her five grandchildren want to buy a special gift. She is a painter. At the art store they found a professional paint
set that comes with lots of paint colors and different size canvases and brushes. The paint set is on sale for $200.00
Maya, a 11th grader earns $60 each week from her book store job.
Andrea, a 9th grader, earns $30 each week from babysitting jobs.
Gabe, a 6th grader, earns $10 each week taking care of his neighbor’s pets.
Elisa, 4th grader, earns $5 each week watering plants for the family garden.
Joaquín, a 2nd grader, has no weekly job but has saved $8 in his piggy bank.
One of the grandchildren says that they should split the cost of the paint set among them and each pay the same amount. Another sibling says that it is not fair and they should each pay different amounts.
What do you think? What is fair in this Situation?
Help the children make a plan to share costs in a fair way to buy the gift.
• Use mathematics to justify your conclusions.
• Your plan should work in other situations where family members want to share costs fairly.
Task B:
It is Nana Rosa’s 65th Birthday.
• Her five grandchildren want to buy a special gift. She is a painter.
• At the art store they found a professional paint set that comes with lots of paint colors and different size canvases and brushes. The paint set is on sale for $199.00
• Maya, a 11th grader earns $60 per week from her book store job.
• Andrea, a 9th grader, earns between $20-30 each week from babysitting jobs.
• Gabe, a 6th grader, earns $10 each week taking care of a neighbor’s pets.
• Elisa, a 4th grader, earns about $5 each week watering plants for the family garden.
• Joaquín, a 2nd grader, has no weekly job but has saved $8 in his piggy bank.
One of the grandchildren says that they should split the cost of the printer among them and each pay the same amount.
• Another grandchild says that it is not fair and they should each pay different amounts.
• What do you think? What is fair in this Situation?
Help the children make a plan to share costs in a fair way to buy the gift.
• Use mathematics to justify your conclusions.
• Your plan should work in other situations where family members want to share costs fairly.
Student Tasks:
https://drive.google.com/file/d/1zTHRlo_Aoc3p-OBPlOwclDE7S_JRWOfq/view?usp=sharing
Gallery Walk of student strategies
Formative Assessment Rubric: https://drive.google.com/file/d/0B_N7BDdYb2bgTTY4cEtRU3p1WEU/view?usp=sharing