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BELLRINGER (DAY 71)

BELLRINGER (DAY 71). p.396-397. 6/9.6 = 9/14.4 2.2/4.4 = 5.5/11 3.6/3 = 17.28/14.4 108 times 9 min 7.5 g 70 CDs 30,000 females 7.5 miles Yes No No Yes Yes Varied Yes, because it’s 7 times larger About 44.8 cm. False True 15/4 = 9/2(6/5) (13)-3/16 =5/8 3/4 = (9)/(9) +3

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BELLRINGER (DAY 71)

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  1. BELLRINGER (DAY 71)

  2. p.396-397 • 6/9.6 = 9/14.4 • 2.2/4.4 = 5.5/11 • 3.6/3 = 17.28/14.4 • 108 times • 9 min • 7.5 g • 70 CDs • 30,000 females • 7.5 miles • Yes • No • No • Yes • Yes • Varied • Yes, because it’s 7 times larger • About 44.8 cm • False • True • 15/4 = 9/2(6/5) • (13)-3/16 =5/8 • 3/4 = (9)/(9) +3 • 2/(-4) = 5/(-4)-6 • 9n = -54; -6 • n/2.5 = 7.2; 18 • 2/9 = 6/27 • 49/28 = 7/4 • 3/11 = 30/110 • 21/56 = 3/8 • 8.68 ft2 • 1.072 m2 • 78.288 in2 • A • 10 students • 70 • 5/2 = 25/10 • 2/8 = 3/12 • 5/20 = 3/12 • 8/6 = 12/9 • Cross-multiplied wrong; 4/9=8/18 • A • Cross-multiply; algebra; equivalent ratios • 9/2 = 36/8 • 21/24 = 7/8 • 30/6 = 35/7 • 3/21 = 4/28 • 4/8 = 14/28 • 6.8/17 = 2/5 • 7/4 = 3.5/2 • 7/10 = 5.6/8 • 20/6.25 = 16/5

  3. BELLRINGER (DAY 70) 5 y x 1 & 2 millimeter 36% 9/25 8 dozen

  4. Take a stand if… You have ever spent Christmas on vacation. You know what one-half plus two and one-half is You get up before 7am on Christmas morning You know what twenty-three and six hundred seventy-four thousandths is rounded to nearest tenth You have ever opened your presents before Christmas and wrapped ‘em back up again so nobody would notice You know what x is in the equation x plus 6 equals fifteen.

  5. Vocabulary percent A __________ is a ratio of a number to 100. Write the following as ratios: 24% = 45% = 63% = 6/25 9/20 63/100

  6. Writing fractions/ratios as % Make an equivalent fraction/ratio with denominator as 100 For example: 10/25 = 3/20 = 7/10 = 40/100 40% 15/100 15% 70/100 70%

  7. 7 900 10 1 1 200 4 1 630 1 50 1 Finding a percent of a number Convert the % to a fraction and multiply to the base (original number) For example: 70% of 900 25% of 200 90 1 50 1

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