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Arithmetic
 Addition & Subtraction I describe how to add and subtract positive and negative numbers (no fractions or decimals).  The key is learning to read the shorthand of math so you never have to ask: Is that a minus or a negative? Do I add or subtract? What's the sign of the answer? The hyperlinks (blue text) below link to problems for practice with the concepts covered in the video.  Directions on the worksheets indicate a strategy for using them.  The strategy is intended to help you reinforce and retain the concepts.  I suggest NOT doing all of the problems in one sitting: you need breaks of increasing duration to move the concepts from your short term memory to your long-term memory. Comment is not working; I hope to fix it by early 2018. Detailed answer keys are always provided for each worksheet. Note: I suggest printing the Rules for Multiplication on yellow or green paper; this will help to keep the Multiplication Rules seperate and distinct in your mind from the Rules for Addition & Subtraction. Writing the rules also helps.

 Multiplication This is a brief review of multiplication, which parentheses can indicate three different ways. The hyperlinks below open the worksheet used in this video and its answer key. Multiplication (Sheet Used in Video) Comment is not working; I hope to fix it by early 2018.
 Division This is a brief review of long division, with a little vocabulary: quotient, divisor, dividend. The hyperlinks below open the worksheet used in this video and its answer key. Division (Sheet Used in Video) Comment is not working; I hope to fix it by early 2018.

 Exponents & Powers of 10 This is an introduction to the meaning of exponents, and how to simplify or evaluate numbers with exponents.  Also, I cover powers of ten and I introduce the zero exponent. Lastly, I briefly mention why zero exponent values always go to 1. You may want to print the Sheets Used in Video to take notes while watching the video. The Exponents & Powers of 10 worksheet has three columns of similar problems for practice. You should work one column, check and understand any mistakes, and then pause some minutes or hours before attempting the next column. Such breaks help to move knowledge from your short-term memory to your long-term memory. Exponents & Powers of 10 (Answer Key) Comment is not working; I hope to fix it by early 2018.