Subtracting and adding negative numbers
[DOC File]Using Manipulatives to develop the rules for adding and ...
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If you are in debt, you have less than zero dollars, which is a negative amount of money. Working with negative numbers can be tricky, but using a number line may help. You can explore how to add and subtract positive and negative . integers, or numbers with no fractional part, in the Adding and Subtracting Integers Gizmo™. To begin, check that
[DOC File]Here is your cheat sheet to help you remember what to do ...
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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 sign of the larger number. Example #1
[DOC File]Lesson planning in a math classroom - CollectEdNY
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Good guys are positive numbers and bad guys are negative numbers. When encountering one another, the group with the larger number always wins. If good guys meet good guys (i.e. you are adding two groups of positive numbers), you will obtain a sum of a larger positive number (a gang of good guys).
[DOC File]Adding and Subtracting Integers
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A. Ten is the number with the larger absolute value and its original sign is negative, therefore our sum is: -6. B. 4 twelve is the number with the larger absolute value and its original sign is positive, therefore our sum is: 4. Rules for Subtracting Integers. Change the problem to its additive inverse (Cha-ching!)
[DOCX File]Chapter
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Adding and Subtracting Integers with 2-Color Counters by Steve Hinds. Model Lesson Using Manipulatives. Objective: The student will be able to add and subtract integers using 2-color counters and using pencil sketches of color counters. Before the Lesson: Students can compare positive and negative numbers using , and =.
Adding and Subtracting Negative Numbers Worksheets
Here is your cheat sheet to help you remember what to do with positive and negative numbers (integers) when adding, subtracting, multiplying or dividing. Adding Rules: SAME SIGN SUM (if they have the same sign, add the #’s together) DIFFERENT SIGN DIFFERENCE (if different signs, find …
[DOC File]POSITIVE AND NEGATIVE INTEGERS
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Adding and Subtracting Negative Numbers Hours 1 Aims This lesson unit is intended to help students to: Add and subtract directed numbers (positive, negative and zero) with understanding. Address common misconceptions about the addition and subtraction of directed numbers. Explain their reasoning using diagrams. Pedagogy Fluency Activity (details)
[DOC File]Rules for Adding, Subtracting, Multiplying, and Dividing ...
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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’
[DOC File]Year 7Spring (1) NUMBER LINE
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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:
[DOC File]Strategies for Adding & Subtracting Integers
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Adding and subtracting negative numbers. Adding and subtracting fractions. Addition and subtraction word problems. Adding and subtracting decimals word problems. Average word problems. Adding decimals. Adding decimals 0.5. Adding decimals 2. Adding fractions. Adding fractions with common denominators.
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