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Review 8,056,205,004 Names for the groups of 3: Billions Millions Thousands Ones In English words: Eight billion fifty-six million two hundred five thousand four In Expanded Form: 8,000,000,000 + 50,000,000 + 6,000,000 + 200,000 + 5,000 + 4 Textbook Homework, first page: Your first assignment is 1.1 1-53odd {27} Which of these should you do? There are 5 different instructions; Can you identify them? Where do you check your answers? Let’s play Bad Homework, Good Homework … Good Homework … Show instructions and original problems/numbers: Bad Homework ! The “Answer List” The Right Way: Lazy Lazarus 1.1 1-53odd {27} 1. ---φ---3 3. --- φ---9 5. 37<49 7. 101>87 … 15. Millions 17. Hundred-thousands 19. Three thousand seven hundred ninety … 27. 357 … 33. 5000+200+80+7 … 43. 850 Graph numbers: 1. ---φ---3 3. --- φ---9 Use < or > between: 5. 37 < 49 7. 101 > 87 Yahoo 27 Serious 1.1 1-53odd {27} 27 … Place value of 3: 15. 3,491,507 Millions 17. 76,319,204 Hundred-thousands Number in words: 19. 3790 Three thousand seven hundred ninety … # in Standard Form: 27. Three hundred fifty-seven 357 … # in Expanded Form: 33. 5287 = 5000 + 200 + 80 + 7 … Round to given place value: 43. 845 to tens 8 4 5 44. 1439 to hundreds 1 4 3 9 1 up 0 down 850 1400 In-class exercise: (this will be handed in, so be neat) Practice written homework format • • • • • • • • • • • • Take out a piece of paper On the Front Side: Put your name upper right List the assignment 1.1 1-53odd {27} Copy the “Graph Numbers” instructions. Do 1. No work needed? Write the answer. Do 3. Make you number lines neat. Copy the “Use < or >” instructions. Do 5. Put down #’s the the relationship. On the Other Side of the paper: Do 43. (in this example it is wrong) You must check your answers with textbook answers. Circle the correct ones, Mark 43 wrong (big X). • Assume you did 24 out of 27 correctly… GO BACK TO 1st PIECE for Scoring On top, left of your name, write 24/27 • Staple multiple sheets together (you can use both sides) • Multiple sections? Staple all together, in order. 24 27 Graph numbers: 1. ---φ---3 3. ---φ---9 Use < or > between: 5. 37 < 49 7. 101 > 87 … Leave space for 9, 11 and 13 Place value of 3: 15. 3,491,507 Millions … Leave space for 17 through 41 Round to given place value: 43. 845 to tens 8 4 5 0 down 800 X … Leave space for 45 through 53 Your name 1.1 1-53odd {27} Your Homework Checklist On the first page of each homework section: Put your Name & Assignment in the right top corner of first page For each problem: Write problem number and the original problem (word problems: summarize briefly) Write down intermediate work steps – most problems will have them Write down your answer clearly Suggested - Every 5 problems: Check these 5 answers in the back of the textbook Correct any wrong answers (if you can ) by fixing the work steps Circle only the correct answers. Mark any wrong or missing answers with a big X – do not circle or count as correct! Use both front and back pages but leave a little space between problems After working all the problems that you can, determine the SCORE: Count the number of correct problems Get the number of assigned problems from the assignment line {##} Your SCORE is the ratio of correct problems to the total assigned. Example: 27 31 Write the SCORE at the page top just left of your name If more than one page was used for this section, Staple them together top left When it’s time to Submit one of the 13 Homework Submissions: Staple (top left) the 3 to 5 sections together, in order Pass in to me for Grading (0 to 10 points) based on percentage of problems done correctly Some Common Mistakes • Mistakes with the first homework submissions: – – – – – – – – – Format wrong: Score, Name & Assignment not in right corner of first page Missing the Score (# of correct)/{# of assigned} The Score is not accurate Not writing down the original problem Not circling the correct answers Incomplete H/W: whole section missing, or too many problems missing Messy, disorganized or cramped work Failure to use the vertical approach, where appropriate EOO failure, did some wrong problems (this is ok occasionally) • Practices that may be considered Cheating (Inflating your Score) – – – – Not checking answers in back of the book Missing work steps, when appropriate Answer is right, but does not match work (you and I will meet to discuss) Not clearly identifying incorrect answers (if you left them wrong): Put a BIG X over the incorrect or missing answer