Skip to main content

7.5 Rational Number Arithmetic

I can compare rational numbers.
I can use rational numbers to describe temperature and elevation.

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

I understand how to add positive and negative numbers in general.

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

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

I can find the difference between two rational numbers.
I understand how to subtract positive and negative numbers in general.

I can solve problems that involve adding and subtracting rational numbers.

I can multiply a positive number with a negative number.
I can use rational numbers to represent speed and direction.

I can explain what it means when time is represented with a negative number in a situation about speed and direction.
I can multiply two negative numbers.

I can solve problems that involve multiplying rational numbers.

I can divide rational numbers.

I can solve problems that involve multiplying and dividing rational numbers.
I can solve problems that involve negative rates.

I can add, subtract, multiply, and divide rational numbers.
I can evaluate expressions that involve rational numbers.

I can represent situations with expressions that include rational numbers.
I can solve problems using the four operations with rational numbers.

I can solve equations that include rational numbers and have rational solutions.

I can explain what the solution to an equation means for the situation.
I can write and solve equations to represent situations that involve rational numbers.

I can solve problems about the stock market using rational numbers and percentages.