Free worksheets adding and subtracting positive and negative numbers

    • [DOC File]Guided notes: Scientific notation

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      ADDING or SUBTRACTING in scientific notation. 1. First make sure that the numbers are written in the same form (have the same exponent) 3.2 x 103 + 40 x 102 (change to 4.0 x 103) Add (or subtract) first part of exponent (mantissas) 3.2 + 4.0 = 7.2. The rest of the exponent remains the same. Answer: 7.2 x 103. How do you make the exponents the same?


    • [DOC File]Year 7 - Maths

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      Article: Adding & Subtracting Negative Numbers . Up, Down, Flying Around (Strange Bank Account (Magic Letters (First Connect Three (Add, subtract, multiply and divide integers. Making a Difference (Playing Connect Three ( Weights ( Consecutive Negative Numbers (


    • [DOC File]Solving Inequalities

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      negative. number, you must . change. the direction of the inequality symbol. Example: Solving Inequalities Using Addition/Subtraction. Solve the following inequalities and graph the solution on the number line. y + 3 > 5 b. x - 3 < 5. Step 1: Isolate y variable Step 1: Isolate the x variable. Subtract 3 from both sides add 3 to both sides


    • [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 different signs, find …


    • [DOC File]POSITIVE AND NEGATIVE INTEGERS - YTI Career Institute

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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]Name______________________________

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      Adding & Subtracting Radicals HW #4 Adding & Subtracting Radicals continued HW #5 ... one positive and one negative. For example: = 5 and = -5 because 52 = 25 and (-5)2 = 25 ... -These numbers can be “added” because the radicands are the same.-However, only the numbers …


    • [DOC File]Year 7 - Maths

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      Article: Adding & Subtracting Negative Numbers Difference Sudoku recognise and use multiples, factors, primes (less than 100), common factors, highest common factors and lowest common multiples in simple cases; use simple tests of divisibility Sieve of Eratosthenes ... Steady Free Fall. ... distinguish between positive, negative and zero ...


    • [DOC File]Contents

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      Ask the child to use graph paper to help organise columns when adding, subtracting, multiplying, or dividing whole numbers. - Organisational and Study Skills Useful for Children with ADHD Many students with ADHD are easily distracted and have difficulty focusing their attention on assigned tasks.


    • [DOC File]Simplifying and Combining Like Terms

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      When simplifying using addition and subtraction, you combine “like terms” by keeping the "like term" and adding or subtracting the numerical coefficients. Examples: 3x + 4x = 7x 13xy – 9xy = 4xy 12x3y2 - 5x3y2 = 7x3y2. ... You need to "Get the x's on one side and the numbers on the other." Then you can solve. Example: 12x – 11 = 7x + 9


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