# Recurring Decimals Rules:

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Single recurring digit rule:
0.555555 = 5/9 (PUT THE DIGIT OVER 9)
1 of 6
Double recurring digit rule:
0.31313131 = 31/99 (PUT THE TWO DIGITS OVER 99)
2 of 6
Treble recurring digit rule:
0.217217 = 217/999 (PUT THE THREE DIGITS OVER 999)
3 of 6
Single digit then single recurring digit rule:
0.57777 = 57-2/90 = 52/90 (1st 2 digits - 1st digit over 90)
4 of 6
Double digit then single recurring digit rule:
0.2744444 = 274-27/900 =247/900 (1st 3 digits - 1st 2 digits over 900)
5 of 6
Single digit then double recurring digit rule:
0.2171717 = 217-2/990 = 215/990 (1st 3 digits - 1st digits over 990)
6 of 6

## Other cards in this set

### Card 2

#### Front

Double recurring digit rule:

#### Back

0.31313131 = 31/99 (PUT THE TWO DIGITS OVER 99)

### Card 3

#### Front

Treble recurring digit rule:

### Card 4

#### Front

Single digit then single recurring digit rule:

### Card 5

#### Front

Double digit then single recurring digit rule: