Illustrative Mathematics
Illustrative Mathematics: N q.a.3 and S id.a: Accuracy of Carbon 14 Dating I
This task examines, from a mathematical and statistical point of view, how scientists measure the age of organic materials by measuring the ratio of Carbon 14 to Carbon 12. The focus here is on the statistical nature of such dating....
Illustrative Mathematics
Illustrative Mathematics: N q.a.3: Dinosaur Bones
The purpose of this task is to illustrate through an absurd example the fact that in real life quantities are reported to a certain level of accuracy, and it does not make sense to treat them as having greater accuracy. Aligns with N-Q.A.3.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3: Calories in a Sports Drink
The goal of the task is to stimulate a conversation about rounding and about how to record numbers with an appropriate level of accuracy, tying in directly to the standard N-Q.3. Aligns with N-Q.A.3.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3 and F le.a.4: Accuracy of Carbon 14 Dating Ii
This task is a refinement of "Carbon 14 dating" which focuses on accuracy. Aligns with N-Q.A.3 and F-LE.A.4.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3: Bus and Car
This task it is an exploration of the relationship between speed, distance, and time. An understanding average speed gives an opportunity to address common confusion between average speed and the average of the speeds for the two...