Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle to solve practical problems. (e)

- Number and Number Sense
The student will a) investigate and describe the concept of negative exponents for powers of ten; b) compare and order numbers greater than zero written in scientific notation; c) compare and order rational numbers; d) determine square roots of perfect squares; and e) identify and describe absolute value of rational numbers.

The student will use problem solving, mathematical communication, mathematical reasoning, connections, and representations to