7th Grade Math

(Marvins-Underground-K-12) #1

Text Option Take the Quick Check below. Refer to the Quick Review for help.


You have two options for checking
prerequisite skills for this chapter.

126 Rational Numbers

Online Option Take the Online Readiness Quiz.


Write each percent as a fraction in
simplest form.


  1. 75% 2. 90%

  2. 47% 4. 14%

  3. FRIENDS Of Max’s friends, 35% have
    a birthday in the summer months.
    Write 35% as a fraction in simplest
    form.


EXAMPLE 1

Write 25% as a fraction in simplest form.
25% = _ 10025 Definition of percent.
1
= _/^25
100 or

_^1
4
4
/

Graph on a number line.


  1. 2 ^1
    4
    7. 5
    ^1
    2

  2. ^45 9. 1 ^1
    3

  3. MEASUREMENT Jenna is baking a cake
    that requires 2 ^3
    4
    cups of flour and
    1
    ^1
    2
    cups of sugar. Graph the amounts
    of flour and sugar on a number line.


EXAMPLE 2

Graph 3 _^2
3
on a number line.
Find the two whole numbers that 3 _^2
3
lies between.
3 < 3 _^2
3
< 4
Since the denominator is 3, divide each
space into 3 sections.
Place a dot at 3 _^2
3
.

0123456

Write each percent as a decimal.


  1. 57% 12. 38%

  2. 94% 14. 6%

  3. SOCCER Last season, Chris made 72%
    of his penalty kicks. Write 72% as a
    decimal.


EXAMPLE 3

Write 21% as a decimal.
21% = _ 10021
= 0.21

Are You ReadyAre You Ready


for the Chapter?for the Chapter?


Rewrite the percent as a fraction with a
denominator of 100.
Write 21 hundredths as a decimal.

Simplify. Divide the numerator and
denominator by the GCF, 25.

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