What types of numbers exist and how do we use them?

1. What is the absolute value and how can it be used to solve problems?

1.1. Understand that the positive and negative value of a number are opposites.

1.1.1. How are reflections related to opposites?

1.2. Describe how to find the distance between two points on a number line.

1.3. Describe absolute value as the magnitude of its number.

1.3.1. The further a number is from zero, the greater its absolute value.

1.4. What is the difference between a number's value and its absolute value?

2. Meaning of positive and negative numbers.

2.1. Every negative number is less than zero.

2.2. How are they used in the real world?

3. What are rational numbers and how are they used in the real world?

3.1. How are they represented on a number line?

3.1.1. How can number lines help to compare, order, or interpret numbers?

3.1.2. How does moving up, down, left, right affect the value of the number?

3.1.3. How does zero fit with other numbers, what does it mean?

3.2. What are coordinates and how are they used to map locations?

3.2.1. How do you know where to plot a point?

3.2.2. How can you find the distance between two points?