Ch. 5 2 Rectangles

25
Agenda Tuesday, Nov. 17 homework 6 p. 244 # 1 - 27 ?questions on project? Please create a Thanksgiving Project folder in your math folder and share the folder with me all at once. Any interest in peer tutors? correct homework 5-2 fractions - decimals

Transcript of Ch. 5 2 Rectangles

Page 1: Ch. 5 2 Rectangles

Agenda Tuesday, Nov. 17

homework 6 p. 244 # 1 - 27

?questions on project? Please create a Thanksgiving Project folder in your math folder and share the folder with me all at once.

Any interest in peer tutors?

correct homework

5-2 fractions - decimals

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To express a fraction as a decimal, divide the numerator by the denominator.

Write as a decimal. means 3 ÷ 4. The fraction

can be written as 0.75, since 3 ÷ 4 = 0.75.

Next

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Denominator and the numerator.

3Numerator

4 Denominator

34

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1Write each fraction as a decimal.

2/

5

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2Write each fraction as a decimal. Round to the nearest ten thousandths if necessary.

- 4 3/

10

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Converting a Decimal to a Fraction.

.3535

100

35

100

5

5

720

.325325

100

325

100

25

25

1340

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3Write each decimal as a fraction in simplest form.

0.8

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4Write each decimal as a fraction in simplest form.

-0.625

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5Write each fraction as a decimal. If necessary round to the nearest ten thousandths

- 2/

3

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TERMINATING AND REPEATING DECIMALS

TERMINATING DECIMAL

A decimal that ends or terminates.EXAMPLE: 0.5 0.814 1.03

Pull

Pull

Pu

llPu

ll

A decimal that ends with arepeating digit or block of digits _ __EXAMPLE: 0.333 0.1212

REPEATING DECIMAL

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0.4

4.3

0.81

0.375

0.1

Terminating decimals

Repeating decimals

0.125

Repeating or terminating decimals

0.111...

4.333...0.8181...

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Writing a repeating decimal as a fraction.

1. Identify how many digits repeat.2. Place the repeating digits over the same number of 9's.3. Simplify.

Example 1. 0.33 19 3

Example 2. 0.4545 599 11=

=

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49

110

511

1120

45

58

0.8

0.45

0.1

0.55

0.6250.4

Match fractions and decimals

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Click the die to roll it. Write the fraction for that decimal in the fraction maker. Then click the arrow.

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