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Understanding Addition and Subtraction with Negative Numbers

This assignment focuses on the process of adding and subtracting negative numbers in mathematics. It explains how these operations can be visualized using shaded and unshaded boxes, allowing students to better grasp the concepts. By grouping tiles representing positive and negative values, students can understand that taking away values leads to either an increase or decrease in the total. For example, when calculating -3 + -3 by combining shaded tiles, the outcome demonstrates a clear representation of negative totals. Practice problems are included for mastery.

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Understanding Addition and Subtraction with Negative Numbers

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  1. Assignment #5 David Villavicencio Period 1 Adelante 2013,Math/Technology

  2. Adding and Subtracting with Negatives • Adding and subtracting negatives is how many you take away or equal to.

  3. 1. The addition problem of a number can be representative as shaded boxes or unshaded boxes. 2. Group the two – tiles eith the other two + tiles since you took away both tiles you’ll end up + or – number. 3. For example lets take -3 + -3 if we take three shaded tiles we will have three more shaded tiles and it’ll equal -6 shaded tiles EX: 6 + -8 = -2 because you took away 6 unshaded boxes and you left off with 2 shaded boxes.

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