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By Amanda Blitstein. Math. Order of operations (PEMDAS). Picture of PEMDAS.
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By Amanda Blitstein Math
Order of operations (PEMDAS) Picture of PEMDAS • Order of operations is really easy to learn. PEMDAS stands for parentheses, exponents, multiplication, division, addition and subtraction. This means that if you have a number sentence and there is exponents, and subtraction, and multiplication you would do the exponents first then the multiplication then the subtraction because that is the order of PEMDAS.
Tree Diagrams Picture of a tree diagram Description • For a tree diagram you would have one main number. Which in this case is 36. The you have 2 sub number. Which in this case 18. And you would have two numbers leading from one of the 18’s, in this case it is 9 and 9. Leading off of the other 18 there would be 3 numbers. In this case they are 6,6 and 6. A tree diagram tells you what the top number can lead off from.
Turning Fractions into decimals and percents These websites can help you • http://www.factmonster.com/ipka/A0881930.html • http://www.marthalakecov.org/~math/fr_dec_pct.html Now it is your turn to try!!! Answer key 1/3 2/3 3/10 Thx
Answer Key • Decimal= .33 • Percent= 33% Back to the others
Answer Key #2 • Decimal= .66 • Percent= 66% Back to the others
Answer Key #3 • Decimal= .3 • Percent= 30% Back to the others
Thank You Thank You Mom and Dad. I am thanking you because you always help me with my homework and teaching me everything you know. You are my role models! When I grow up I want to be just like you to. I love you so so so so much. Thank You! You do not even know how much you to mean to me. ~Love you~