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BELLRINGER (DAY 69)

BELLRINGER (DAY 69). BELLRINGER (DAY 68). -4, -5, -6. 2001. i, f, y, m. 1/50 & 2%. 880,249. Take a stand if. You know how many Drummers are Drumming in the 12 days of Christmas song. You know what two times eight divided by four is.

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BELLRINGER (DAY 69)

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  1. BELLRINGER (DAY 69)

  2. BELLRINGER (DAY 68) -4, -5, -6 2001 i, f, y, m 1/50 & 2% 880,249

  3. Take a stand if... You know how many Drummers are Drumming in the 12 days of Christmas song. You know what two times eight divided by four is. You know how many Maids are Milking in the 12 Days of Christmas song. You know what one cubed is. You know how many Golden Rings are in the 12 Days of Christmas song. You know what x is in the equation x divided by five equals eight.

  4. Vocabulary A ____________ is an equation that states that two ratios are equivalent. A proportion is created by either _________ or _________ each number of your ratio by the same. proportion multiplying dividing

  5. 3 ways to solve proportions 1 – Use equivalent ratios Multiply or divide each number of the ratio by the same number For example: 5/8 = ___/24 12/3 = ___/12 22/4 = ___/2 15 48 11

  6. 2 x 10 12 2 2.4 10 12 •12 1 •12 1 24 x 10 2 – Use algebra to solve Do the opposite operation to solve for the variable. For example: 2.4 = x Do on your own: 7/6 = x/10

  7. 4 10 9 ? 4 10 9 22.5 2 5 11 ? 3 – cross multiply Multiply the numbers diagonally to find out what’s missing For example: 9 x 10 = 90 4 x _____ = 90 Do on your own: 22.5

  8. p.389 #3-7 • 5/6 = ___/18 • 15/20 = ___/4 • ___/6 = 4/2 • ___/5 = 5/25 • 35/12 = ___/2

  9. Closure How are proportions and ratios related?

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