ontents
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umbers and Mathematical Expressions
(1)Students will understand positive and negative numbers through their experiences in everyday
situations. They will develop the fluency to calculate with positive and negative numbers, as well
as develop their ability to reason about and represent positive and negative numbers.
a.To understand the need for and the meaning of positive and negative numbers.
b.To understand the meaning of the four arithmetic operations with positive and negative
numbers by relating them to what they studied in the elementary grades.
c.To be able to calculate with positive and negative numbers.
d.To represent and process real-life situations using positive and negative numbers.