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Curated OER
Pennies for Pits
Sixth graders use the edible and nonedible parts of various fruits to determine percentages. Using measurements and appropriate tools are part of the lesson.
Khan Academy
Khan Academy: Necessary Assumptions Learn More
Necessary assumption questions ask you to determine what has to be true - but was never explicitly stated - in order for an argument to work. Stated differently, if a necessary assumption were discovered to be false, the argument would...
Khan Academy
Khan Academy: Necessary Assumptions Quick Guide
A quick guide to approaching questions that ask you to find an assumption required by the argument. This question asks you to identify the claim that must be true or is required in order for the argument to work. In other words, there is...