options: Perform operations on vectors.

Use complex numbers in polynomial identities and equations.

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

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

Use properties of rational and irrational numbers.

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

Extend the properties of exponents to rational exponents.

Represent and model with vector quantities.

Perform operations on matrices and use matrices in applications.

Perform arithmetic operations with complex numbers.

Compute fluently with multi-digit numbers and find common factors and multiples.

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

Reason quantitatively and use units to solve problems.

Represent complex numbers and their operations on the complex plane.
problem_activity: Problem 1
Point
A
is located at
$$-4.5$$
, and point
B
is
$$3.25$$
units from point
A
. Write two addition equations that could be used to determine the location of point
B
. Model this on the number line below.
[IMG]
Problem 2
Find the sums.
a.
$${-3+ \left (-2 {1\over4} \right )}$$
b.
$${5.7 + (-12.2)}$$
c.
$${-9 + 3 {2\over5}}$$
d.
$${-{10\over3} + 18}$$
e.
$${-2+3+(-1)+5}$$


correct_option_index: 11