options: Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

Use properties of rational and irrational numbers.

Know that there are numbers that are not rational, and approximate them by rational numbers.

Perform arithmetic operations with complex numbers.

Apply and extend previous understandings of multiplication and division to divide fractions by fractions.

Perform operations on matrices and use matrices in applications.

Represent complex numbers and their operations on the complex plane.

Represent and model with vector quantities.

Extend the properties of exponents to rational exponents.

Perform operations on vectors.

Reason quantitatively and use units to solve problems.

Apply and extend previous understandings of numbers to the system of rational numbers.

Use complex numbers in polynomial identities and equations.

Compute fluently with multi-digit numbers and find common factors and multiples.
problem_activity: The temperatures in Jackman, Maine, are shown in the table below.
| **           Day          ** | **           Monday          ** | **           Tuesday          ** | **           Wednesday          ** | **           Thursday          ** | **           Friday          ** |
|------------------------------|---------------------------------|----------------------------------|------------------------------------|-----------------------------------|---------------------------------|
|       Temperature (°C)       |               -5                |                3                 |                 -2                 |                 0                 |               -8                |
a.   What is the average temperature in Jackman, Maine, from Monday to Friday?
b.   On Saturday, the weather reporter in Jackman says that the average temperature, from Monday to Saturday, has risen to 0 °C. What is the temperature on Saturday?


correct_option_index: 0