options: Represent and model with vector quantities.

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

Perform arithmetic operations with complex numbers.

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

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

Extend the properties of exponents to rational exponents.

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

Use complex numbers in polynomial identities and equations.

Perform operations on matrices and use matrices in applications.

Represent complex numbers and their operations on the complex plane.

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

Perform operations on vectors.

Use properties of rational and irrational numbers.

Reason quantitatively and use units to solve problems.
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: 6