Addition and Subtraction - Concept

Concept Concept (1)

When we first learn about numbers, we begin with the Natural numbers, 1, 2, 3 ... After awhile, we are introduced to the idea of zero, and can now work with the Whole numbers: 0, 1, 2, 3 ... As you get more sophisticated, you can start to understand numbers that are less than zero, which are called negative numbers, The set of Integers is ... -3. -2, -1, 0, 1, 2, 3, ... The idea of a negative number and performing math operations with negative numbers is extremely important in moving forward with understanding math ideas.

Sample Sample Problems (3)

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Addition and Subtraction - Problem 1
Problem 1
Using color chips or tiles to represent addition and subtraction of integers
Addition and Subtraction - Problem 2
Problem 2
Using a number line to represent .and subtracting positive and negative numbers
Addition and Subtraction - Problem 3
Problem 3
Evaluating a string of integers being added or subtracted
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