Weds June 22nd – Fractions as Decimals

LEARNING OBJECTIVE: By converting fractions to decimals understand the difference between a terminating and a recurring decimal. Plus discover how to convert a Recurring Decimal back into a fraction

SUCCESS CRITERIA: You will understand the difference between terminating and recurring decimals and be able to convert a recurring decimal back into a fraction

KEYWORDS: Recurring Decimal, Terminating Decimal, a rational number

STARTER: Using your calculator convert these fractions into decimals

1/3 = 0.33333	2/5 = 0.4
2/11 = 0.181818...	3/13 = 0.230769230769231
5/6 = 0833333	7/8 = 0.875
5/12 = 0.4166666	7/15 = 0.466666

 
 

Which are recurring decimals, which are terminating decimals.

LESSON: How to convert a recurring decimal into a fraction: Work through this MyMaths Lesson Screens 1 to 5 ONLY

Have a go at these questions

PLENARY: Checking answers then answer this question

Put these fractions in order from smallest to largest just by looking at them DO NOT USE A CALCULATOR_ Use your instinct

4/7    7/20    1/12    3/11    7/80

Now check your answers by converting them to decimals using your calculators