Page 66 - Math Course 1 (Book 1)

Fractions: Understanding Rational Numbers

Mo. 2

Lesson 2

Bar Notation
You can use bar notation to indicate that a digit or
KEY CONCEPTS: group of digits repeats.
1. Write fractions as terminating or repeating
decimals.
2. Compare fractions and decimals. =0.6666666666... = 0.6 the digit
6 repeats, so place a bar over the 6.

MO. 2 - L2a

Converting Fractions Let’s Begin
to Decimals

Write a Fraction as a Terminating
Vocabulary A-Z Decimal
Let us learn some vocabulary
Examples

1
Write as decimal.
16
Terminating Decimal
Method 1 Use paper and pencil.
If the division ends, or terminates, when the 0.0625
remainder is zero, the decimal is a terminating 16 1.0000
decimal.
-096
40
3 = 0.375 -32
8 80
80
0 Division ends when
the remainder is 0.
Mixed Number
A mixed number is the sum of a whole number and
a fraction. Mixed numbers can also be written as
decimals. Answer 0.0625 is a terminating decimal.

1
3 1 Write as decimal.
2 16
Method 2 Use a calculator

Repeating Decimal
1 ÷ 16 ENTER 0.0625
Repeating decimals have a pattern in their digits that
repeats without end.
Answer 0.0625 is a terminating decimal.
2 =0.6666666666...
3

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