c.To be able to add and subtract simple linear expressions.
d.To understand that relationships and rules involving numbers and quantities may be
represented in mathematical expressions with letters, and to be able to write and interpret
mathematical expressions with letters.
(3)Students will understand equations and be able to use linear equations in their inquiries.
a.To understand the need for and the meaning of equations, and to understand the meaning of
letters in equations and solutions of equations.
b.To understand that equations may be solved by using the properties of equality.
c.To be able to solve simple linear equations, and to use linear equations in real-life situations.
[Terms and Symbols]
natural numbers
positive and negative signs
absolute values
terms
coefficients
transposing terms