Math negative and positive numbers
[DOC File]Here is your cheat sheet to help you remember what to do ...
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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 …
[DOC File]Rogue Community College
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It will be negative for small numbers and positive for large numbers. The exponent should always be a multiple of 3 or -3. Homework: You are assigned problems 1,2,3,5,6,7,8,9,11,12,13,14,17,19.
[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’
[DOC File]Mneumonic devices
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The following was stolen from KIPP Academy’s seventh and eighth grade math teacher, Mr. Frank Corcoran: Adding integers: “Good Guys Meet Bad Guys: Slam!” (Students slam desks with hands at the end). Good guys are positive numbers and bad guys are negative numbers. When encountering one another, the group with the larger number always wins.
[DOC File]Lesson planning in a math classroom - CollectEdNY
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: Students can compare positive and negative numbers using , and =. Students have some understanding of signed numbers in applied contexts. For example, they understand that is ten degrees colder , or that could express a debt of $15. Materials: Have about 16 counters for each student.
[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 ...
[DOC File]Multiplying and Dividing Integers
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You will be solving these problems involving positive and negative numbers. Before you solve, write a math expression. Example: At noon the temperature was 12° Fahrenheit. By 6 pm the temperature had fallen 20 degrees. What was the temperature at 6 pm? Math expression: _____
[DOC File]Unit 1: Day 1: A Positive Attitude to Negative Numbers
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Unit 1: Day 1: A Positive Attitude to Negative Numbers Grade 8 Math Learning Goals. Students will re-establish necessary conceptual understanding and skills required for this unit. Students will gain mastery of adding and subtracting integers and contextualizing these operations in real life.
[DOCX File]Positive/Negative Convention (+ and - )
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two positive values OR two negative values (+4) / (+8) = +1/2Larger Number Below Smaller Number – The answer will always be less than 1.xxxxto break up four pieces eight times, you need to cut each of the four pieces in half.6 eggs: split into 2 groups of 3xxxxxxExample:When dividing numbers that have the same sign, the answer will always be ...
[DOC File]History of Negative Numbers:
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The Chinese used negative numbers as debts, and positive numbers as money received. Positive numbers are represented in red, while negatives are in black. To add positives and negatives, a counting board was used. In the top row, the positive number was listed. In the bottom, the negative …
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