Journal Entry:

What is an example of data that is very precise but not very accurate? How can you increase accuracy?

Learning Intentions

• We will learn the signs of a chemical change.

• We will learn the difference accuracy and precision.

• We will learn how to determine significant figures within a number and how to record your answer using the proper significant figures.

Closing Task

You can solve mathematical problems with the appropriate significant figures in your answer.

Content Standards being covered:

SP 2.1 The student can justify the selection of a mathematical routine to solve problems.