4. Recurring decimals … it keeps going on, it will never stop – we say it recurs. = 0.3333333333333…… 3 1
5. Recurring decimals … it keeps going on, it will never stop – we say it recurs. = 0.3333333333333…… 3 We can write it in mathematical shorthand as: 1
6. Recurring decimals … it keeps going on, it will never stop – we say it recurs. = 0.3333333333333…… 3 We can write it in mathematical shorthand as: 1 . 0.3333333333333…… = 0.3
9. 0.12121212121212… Is another recurring decimal This can be written as 0.12 . . In the same way 0.12341234123412341234 =
10. 0.12121212121212… Is another recurring decimal This can be written as 0.12 . . In the same way 0.12341234123412341234 = . . 0.1234
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12.
13. Recurring decimals as exact fractions For example Write 0.3 as an exact decimal Here only one 3 is recurring So the numerator is 3 3
14. Recurring decimals as exact fractions For example Write 0.3 as an exact decimal Here only one 3 is recurring So the numerator is 3 3 3 There is one digit in the numerator so we have one 9 in the denominator 9
15. Recurring decimals as exact fractions For example Write 0.3 as an exact decimal Here only one 3 is recurring So the numerator is 3 3 3 1 There is one digit in the numerator so we have one 9 in the denominator 9 This can then be cancelled down to be 3
27. Now try these Write the following using the dot notation then convert them into exact fractions. 0.111111111…. 0.4343434343 …. 0.765765765 …. 0.237823782378237…
28. Now try these Write the following using the dot notation then convert them into exact fractions. 0.111111111…. 0.4343434343 …. 0.765765765 …. 0.237823782378237… . 0.1 0.43 0.765 0.2378 . . . . . .
29. Now try these Write the following using the dot notation then convert them into exact fractions. 0.111111111…. 0.4343434343 …. 0.765765765 …. 0.237823782378237… . 0.1 0.43 0.765 0.2378 . . . . 1 43 99 765 2378 999 . . 9 9999