Bellringer day 71
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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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Bellringer day 71

BELLRINGER (DAY 71)


P 396 397

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


Bellringer day 70

BELLRINGER (DAY 70)

5

y x

1 & 2

millimeter

36%

9/25

8 dozen


Take a stand if

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.


Vocabulary

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


Writing fractions ratios as

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%


Finding a percent of a number

7900

10 1

1200

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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