Students will then be asked to think about any ideas and observations that they

Students will then be asked to think about any ideas

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Students will then be asked to think about any ideas and observations that they might have about these newly added “negative numbers.” After a moment to ponder, students will be asked to discuss the idea amongst themselves, in previously formed student teams, each consisting of 4 to 5 students. Teams will be asked to report their ideas to the class, and brief discussion will be allowed to follow, as needed. After the discussion, attention will be focused back on the number line, and the teacher will conduct a brief lesson about Absolute Value. Once the students demonstrate an accurate understanding regarding the concept of Absolute Value, the lesson will progress forward into a discussion about the rules for addition of two mixed-signed numbers (one positive and one negative) as well as two negative numbers. Students will be given the following two rules for processing addition problems involving negative numbers: 1. When adding integers that have the same sign, add the absolute values of both integers, and give the sum the same sign. 2. When adding integers that have different signs, subtract the absolute value of the smaller number from the absolute value of the larger number, and give the difference the same sign as the integer with the larger absolute value. Once students demonstrate ability to process addition problems involving negative and mixed-signed numbers, they will be given the following rule for subtraction of negative and mixed-signed numbers.
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