# Primary 6 SA2 Practice #4

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Q1.
In 42.315, what does the digit 3 stand for? [1 mark]

Q2.
The figure below is made up of a rectangle and 3 identical circles. Find the area of the shaded part. Leave your answer in terms of π. [2 marks]

^{2}

^{2}

^{2}

^{2}

Q3.
At 8 a.m., a swimming pool was completely filled with water. From 8 a.m. to 1 p.m., water was drained from the swimming pool. The line graph below shows the volume of water in the swimming pool from 8 a.m. to 1 p.m. During which one-hour period was the decrease in the volume of water the greatest? [1 mark]

Q4.
Kate paid $12 for 30 identical pencils. What is the cost of each pencil? [1 mark]

Q5.
The table below shows how Felicia spent her money. Which of the following bar graph best represents Felicia's spending? [1 mark]

Q6.
The empty cuboid below measures 8 cm by 9 cm by 15 cm. Find the area of the shaded face. [1 mark]

^{2}

^{2}

^{2}

^{2}

Q7.
Read the riddle below. Which one of the following is the correct shape? [1 mark]

Q8.
Vivian bought

^{5}⁄_{6}kg of minced meat. She gave^{1}⁄_{4}of it to her neighbour and^{1}⁄_{3}of the remainder to George. How much minced meat did Vivian have left? [2 marks]^{1}⁄

_{4}kg

^{1}⁄

_{2}kg

^{5}⁄

_{12}kg

^{5}⁄

_{24}kg

Q9.
What is the missing number in the blank? 5

^{2}⁄_{3}= 4 _^{}⁄_{3}[1 mark]
Q10.
Express

^{5}⁄_{6}÷ 2 in its simplest form. [1 mark]^{5}⁄

_{12}

^{3}⁄

_{5}

^{2}⁄

_{3}

^{2}⁄

_{5}

Q11.
Isabelle bought some sugar. She used

^{1}⁄_{3}of the sugar on Monday and^{2}⁄_{5}of it on Tuesday. The amount of sugar she had left was 132 g. How much sugar did Isabelle buy? [2 marks]
Q12.
The price of a mobile phone is $200 excluding GST. GST is 7%. What is the price of the mobile phone including GST? [1 mark]

Q13.
Natasha cut out three identical right-angled triangles. She joined them to form the figure below. AB = 10 cm and AC = 6 cm. The perimeter of the figure is 56 cm. Find the area of Triangle ABC. [2 marks]

^{2}

^{2}

^{2}

^{2}

Q14.
There were 1600 participants at a conference. 80% of them were female. Some female participants left the conference and the ratio of the number of female participants to the number of male participants became 7 : 4. How many female participants left the conference? [2 marks]

Q15.
What is the difference between 13 tens and 13 tenths? [2 marks]

Q16.
Study the straight lines on the protractor below. Which two angles are equal? [1 mark]

Q17.
Which of the following numbers is 12 000 when rounded to the nearest hundred? [1 mark]

Q18.
Find the value of (260 - 80 + 120) ÷ (10 - 4). [1 mark]

Q19.
Arrange the fractions,

^{5}⁄_{3}, 1^{5}⁄_{8},^{11}⁄_{9}, from the smallest to the largest. [1 mark]^{5}⁄

_{3},

^{11}⁄

_{9}, 1

^{5}⁄

_{6}

^{11}⁄

_{9},

^{5}⁄

_{3}, 1

^{5}⁄

_{6}

^{11}⁄

_{9}, 1

^{5}⁄

_{6},

^{5}⁄

_{3}

^{5}⁄

_{6},

^{5}⁄

_{3},

^{11}⁄

_{9}

Q20.
How many of the following figures have at least one line of symmetry? [1 mark]