# Primary 5 CA1 Practice #1

Time elapsed:

Q1.
224 920 = 200 000 + ____ + 4000 + 900 + 20. What is the missing number? [1 mark]

Q2.
Mrs Koh is 4 times as old as Malcolm now. In 5 years time, the sum of their ages is 55 years. How old is Malcolm now? [2 marks]

Q3.
Express 3

^{9}⁄_{20}as a decimal. [1 mark]
Q4.
78 x 300 = ____ x 1000. What is the missing number in the box? [1 mark]

Q5.
Which of the following decimals is nearest to 1? [1 mark]

Q6.
Samuel made a pattern using 4 shapes. The pattern is shown below. Which of the following is the 16th shape of the pattern? [2 marks]

Q7.
Yvette measured her height using a tape measure, as shown below. What was her height? [1 mark]

Q8.
Cheryl, Ellie and Gina shared $380. Cheryl received $120, Ellie received $42 less than Gina. Find the amount of money Ellie received? [1 mark]

Q9.

^{3}⁄_{8}of the people in the library were children.^{1}⁄_{4}of them were men and the rest were women. There were 12 women. How many people were there altogether? [2 marks]
Q10.
56 รท 5 = ___ [1 mark]

^{1}⁄

_{5}

^{5}⁄

_{6}

^{1}⁄

_{5}

^{5}⁄

_{6}

Q11.
Study the diagram below. Sophia started at a position during a treasure hunt. She walked 2 steps to the south, 3 steps to the west, 1 step to the north and 2 steps to the west and spotted the hidden treasure. What was her starting positiom? [2 marks]

Q12.
ABCD is a rectangle. Find the area of triangle CDE. [1 mark]

^{2}

^{2}

^{2}

^{2}

Q13.
3 chickens weigh as much as 2 ducks. 6 chickens and 5 ducks weigh 18.9 kg. What is the mass of a duck? [2 marks]

Q14.
7

^{2}⁄_{5}= 7 + ___ +^{1}⁄_{3}[1 mark]^{1}⁄

_{15}

^{1}⁄

_{5}

^{3}⁄

_{8}

^{1}⁄

_{2}

Q15.
The bar graph shows the different flavours of ice cream chosen by 240 pupils.

^{1}⁄_{6}of the pupils chose ___ ice-cream. [1 mark]
Q16.
Which of the following is five hundred and two thousand and sixty-three in numeral? [1 mark]

Q17.
How many ninths are there in 2

^{1}⁄_{3}? [1 mark]
Q18.
10 hundred thousands + 500 hundreds + 62 tens + 6 ones = ___ [1 mark]

Q19.
What is 519 445 rounded to the nearest 1000? [1 mark]

Q20.
For every 15 bookmarks that Vincent paid for at a bookshop, he received 5 bookmarks free. Vincent got a total of 160 bookmarks from the bookshop. What was the least number of bookmarks he paid for? [1 mark]