1-1 Rational Numbers

Simplify.

1.

Write each decimal as a fraction in simplest form.

2. -0.41 3. –0.625

15 21

5 7

– 41

100

– 5 8

Bell Work

1-1 Rational Numbers

I can •Write fractions as decimals

Learning Target:

1-1 Rational Numbers

denominator numerator

To write a fraction as a decimal, divide the numerator by the denominator. You can use long division.

numeratordenominator

1-1 Rational Numbers

9 11 The pattern repeats.

1

–9

.2

2

0

.0

2

11 9

–1 8

Write the fraction as a decimal.

The fraction is equivalent to the decimal 1.2.11 9

A repeating decimal can be written with a bar over the digits that repeat. So 1.2222… = 1.2.

Writing Math

_

Try this one with me:

1-1 Rational Numbers

This is a terminating decimal.20 7

.30 5

The remainder is 0.

7 20

–07

1 0

0

0

0

.0

0–6 0

–1 0 0

Write the fraction as a decimal.

The fraction is equivalent to the decimal 0.35.7 20

Try this one with your partner:

1-1 Rational Numbers

9 15 The pattern repeats, so draw a bar over the 6 to indicate that this is a repeating decimal.

1

–9

.6

6

0

.0

6

15 9

–5 4

Write the fraction as a decimal.

The fraction is equivalent to the decimal 1.6.15 9

Try this one with your partner:

1-1 Rational Numbers

40 9 This is a terminating decimal..20 2

The remainder is 0.

9 40

–09

1 0

0

0

.0

0–8 0

– 8 02 0

0

0

5

0– 2 00

Write the fraction as a decimal.

The fraction is equivalent to the decimal 0.225.9 40

Try this one by yourself:

1-1 Rational Numbers

Do you have the learning target

mastered?

1-1 Rational Numbers

51 9

Which of the following represents the given fraction as a decimal?

A. 4.3

B. 4.6

C. 5.6

D. 6.5

1-1 Rational NumbersAssignment:

• Page 8, problems 19 – 28, 59 and 60