Positive and Negative Numbers

• I can explain what 0, positive numbers, and negative numbers mean in the context of temperature and elevation.
• I can use positive and negative numbers to describe temperature and elevation.
• I know what positive and negative numbers are.

Comparing Positive and Negative Numbers

• I can explain how to use the positions of numbers on a number line to compare them.
• I can use inequalities to compare positive and negative numbers.

Ordering Rational Numbers

• I can compare and order rational numbers.
• I can use phrases like “greater than,” “less than,” and “opposite” to compare rational numbers.

Absolute Value of Numbers

Changing Temperatures

• I can use a number line to add positive and negative numbers.

Changing Elevation

• I can add positive and negative numbers.

Money and Debts

• I understand what positive and negative numbers mean in a situation involving money.

Representing Subtraction

• I can explain the relationship between addition and subtraction of rational numbers.
• I can use a number line to subtract positive and negative numbers.

Constructing the Coordinate Plane

• I can plot points with negative coordinates in the coordinate plane.
• I know what a coordinate plane is and can describe the four quadrants.
• When given points to plot, I can construct a coordinate plane with an appropriate scale and pair of axes.

Interpreting Points in a Coordinate Plane

• I can explain how rational numbers represent balances in a money context.
• I can explain what points in a four-quadrant coordinate plane represent in a situation.
• I can plot points in a four-quadrant coordinate plane to represent situations and solve problems.

Distances in the Coordinate Plane

• I can find horizontal and vertical distances between points on the coordinate plane.