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[DOC File]Six-day Thematic Unit for a unit in fifth grade math
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KEY VOCABULARY: positive, negative, addition, and sum. MATERIALS: Number Line (with positive and negative numbers), copies of the “rules” for addition, questions for teacher to ask during numbered heads, and worksheet over addition problems. MOTIVATION: Students will be taught the “rules” for adding positive and negative numbers.
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[DOC File]CEENBoT / TekBot Site | ECE (Scott Campus - Omaha ...
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Putting “Signed Numbers” in Recognizable Terms: Signed numbers can either be positive or negative with negative being the opposite of positive. Negative numbers are to the left of zero and positive numbers are to the right of zero. Signed numbers describe the position of the number relative to zero.
adding and subtracting negative numbers worksheets

[DOCX File]toolkit.mathematicsmastery.org
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When adding and subtracting negative numbers it is really vital that students use number lines to develop a sense of the concepts being met rather than learning rules or methods. In particular, when dealing with questions such as 2+ -3, confusing language such as ‘a plus and minus make a minus’ should be avoided.
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[DOC File]Rogue Community College
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Adding Signed Numbers: positive + positive - Add the absolute values. The sign of the answer is positive. negative + negative. Add the absolute values. The sign of the answer is negative. positive + negative. or . negative + positive. Subtract the absolute values (smallest from largest). The sign of the answer is the sign of the largest numeral.
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[DOC File]Guided notes: Scientific notation
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When using Scientific Notation, there are two kinds of exponents: positive and negative. The number in the front is a number between ___ and ___, called the _____. When changing scientific notation to standard notation, the exponent tells you if you should move the decimal: ... Let’s say you are adding 2.3 x 103 and 2.1 x 105. You can either ...
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[DOC File]eupschools.org
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Use counters to explore adding positive and negative numbers. Use number lines to explore adding positive and negative numbers. Examples: Example 1 Add Integers with the Same Sign. Find –6 + (–3). Method 1. Use a number line. Start at zero. Move 6 units left. From there, move 3 units left. So, –6 + (–3) = –9. Method 2. Use counters.
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[DOC File]POSITIVE AND NEGATIVE INTEGERS
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A. Rules for Adding Positive and Negative Numbers. To add two positive numbers, add and keep the positive sign. Example: (+6) + (+7) = +13. To add two negative numbers, add and keep the negative sign. Example: (-13) + (-24) = -37. To add numbers with different signs, find the difference between the two numbers (subtract) and give the answer the ...
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[DOC File]POSITIVE AND NEGATIVE INTEGERS
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A. Rules for Adding Positive and Negative Numbers. To add two positive numbers, add and keep the positive sign. Example: (+6) + (+7) = +13. To add two negative numbers, add and keep the negative sign. Example: (-13) + (-24) = -37. To add numbers with different signs, find the difference between the two numbers (subtract) and give the answer the ...
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[DOC File]Using Manipulatives to develop the rules for adding and ...
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“Adding positive and negative numbers” and “Subtracting positive and negative numbers” Manipulatives: counters to represent +1 and ─1. You could use poker chips in two colours, or squares of card in two colours, or squares marked + and ─ . Each team of students will need about 15 positive counters and 15 negative counters. Optional:
math negatives and positives rules

[DOC File]Strategies for Adding & Subtracting Integers
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(positive & negative whole numbers) 1. Song to help you remember how to add and subtract integers: Same signs, add and keep. Different signs subtract. Keep the sign of the bigger # And then you’ll be exact! (Sung to “Row, row, row your boat”) 2. KOOL to change a subtraction sentence into addition: K O O L. e p p e. e p p t’
adding and subtracting negative numbers worksheets

Adding positive and negative number worksheet