Question 1(a): [1 mark]

Which of the following fractions results in a recurring decimal?

 

Answer type: Multiple choice type 1

A: \dfrac{9}{12}

B: \dfrac{4}{6}

C: \dfrac{3}{15}

D: \dfrac{8}{16}

 

ANSWER: B: \dfrac{4}{6}

 

 

Question 1(b): [1 mark]

Which of the following decimals is the same as \dfrac{11}{12}

 

Answer type: Multiple choice type 1

A: 0. \dot 9

B: 1. \dot 1

C: 0. 8 \dot 9

D: 0. 91\dot 6

 

ANSWER: D: 0. 91\dot 6

 

 

Question 1(c): [1 mark]

Which of the following fractions is the same as 0. \dot 6

 

Answer type: Multiple choice type 1

A: \dfrac{2}{13}

B: \dfrac{4}{9}

C: \dfrac{6}{9}

D: \dfrac{13}{50}

 

ANSWER: C: \dfrac{6}{9}

 


 

Question 2: [2 marks]

Find what \dfrac{7}{12} is as a recurring decimal. Choose the correct answer below.

 

Answer type: Multiple choice type 1

A: 0. \dot 5

B: 0. 41 \dot 6

C: 0.58 \dot 3

D: 0. \dot 5 3846 \dot 1

 

ANSWER: C: 0.58 \dot 3

WORKING: 7 \div 12 = 0.58 \dot 3 using the bus stop method or equivalent.

 


 

Question 3: [3 marks]

\dfrac{1}{4} as a decimal is 0.25.

Find the fraction which is equivalent to 0. \dot 2 \dot 5.

 

Answer type: Fraction

ANSWER: \dfrac{25}{99}

WORKING:

x = 0. \dot 2 \dot 5

 

100x = 25. \dot 2 \dot 5

 

99x = 25

 

x = \dfrac{25}{99}

 


 

Question 4: [3 marks]

Find what 0. \dot 1 3 \dot 5 is as a fraction in simplest form.

 

Answer type: Fraction

ANSWER: \dfrac{5}{37}

WORKING:

x = 0. \dot 1 3 \dot 5

 

1000x = 135. \dot 1 3 \dot 5

 

999x = 135

 

x = \dfrac{135}{999} = \dfrac{5}{37}

 


 

Question 5: [2 marks]

Janet completes 4 steps out of 11 in order to unlock an achievement on her favourite app.

What is the proportion of the achievement that Janet has completed as a recurring decimal. Choose the correct answer below.

 

Answer type: Multiple choice type 1

A: 0.3 \dot 7 \dot 2

B: 0. \dot 3 6 \dot 0

C: 0. \dot 3 \dot 6

D: 0.36 \dot 1

 

ANSWER: C: 0. \dot 3 \dot 6

WORKING: 4 \div 11 = 0. \dot 3 \dot 6 using the bus stop method or equivalent.