converting fractions to decimals hex

Agenda Tuesday, Dec. 8

homework 15 p. 244 # 1 - 15, 33 - 38, 43

correct homework

5-2 fractions - decimals

22.

23.

24.

25.

lowest common denominator

is the same as

least common multiple

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

Denominator and the numerator.

3Numerator

4 Denominator

34

1Write each fraction as a decimal.

2/

5

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

- 4 3/

10

Converting a Decimal to a Fraction.

.3535

100

35

100

5

5

720

.325325

1000

325

1000

25

25

1340

3Write each decimal as a fraction in simplest form.

0.8

4Write each decimal as a fraction in simplest form.

-0.625

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

- 2/

3

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

45

26

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

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...

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=

=

49

110

511

1120

45

58 0.8

0.45

0.1

0.55

0.625

0.4

Match fractions and decimals

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