CERCA SLIDES
Changeability of Systems
How does changing one element of a system change the whole system?
Check out this set where students consider catalysts of change to experiences they encounter in everyday life.
CERCA Slides by Grade

Grades 3: Fred’s Family Reunion
How many boxes of cookies does Fred need to bring to the family reunion?
CCSS.CONTENT.3.OA.A.2
CCSS.PRACTICE.MP7

Grades 4: Family Water Usage for July
How could Sonya decide how much water usage may be needed for each family?
CCSS.CONTENT.4.OA.C.5
CCSS.PRACTICE.MP7

Grades 5: Pool Membership Prices
How much would the Grimm family, who do not live in the Village of Troy, pay for a pool membership on May 30?
CCSS.CONTENT.5.OA.B.3
CCSS.PRACTICE.MP7

Grade 6: Donating Proportionally to Nonprofit Organizations
According to the text, how will Sally's financial contributions to nonprofit organizations change as her salary changes?
CCSS.CONTENT.6.RP.A.3.
CCCSS.PRACTICE.MP7

Grade 7: Pizza Party
How does changing the amount of different pizza toppings impact the price of an extra large pizza?
CCSS.CONTENT.7.RP.A.2
CCSS.PRACTICE.MP7

Grade 8: Planning a Road Trip
Which rental car will result in the least amount of money spent on gas during a road trip?
CCSS.CONTENT.8.SP.A.3
CCSS.PRACTICE.MP7

Grade 9–10: What young workers should know about Social Security and saving
How might understanding how social security works help people plan for the future?
CCSS.CONTENT.HSA.CED.A.1
CCSS.PRACTICE.MP7
