Primary Three - Mathematics Ca2 (Mock)

Which digit stands for the tens place in the number 3109?

• 0

• 9

• 3

• 1

6737 - 96 + 10 = 4700 + 3000 - _______

7210 = 721 hundreds

• True.

• False.

Arrange the following numbers in descending order.7703, 7077, 7777, 7099, 7902, 7076

• 7077, 7076, 7099, 7703, 7777, 7902

• 7902, 7777, 7703, 7099, 7077, 7076

• 7076, 7077, 7099, 7703, 7777, 7902

• 7076, 7077, 7099, 7777, 7703, 7902

Form the smallest 4-digit number with the following numbers.9    9    3    7

5622 - 783 = _______

• 4869

• 4889

• 4836

• 4839

7019 - 275 = ___ thousand, ___ hundred and ________-________

• 6, 6, 4, 4

• 6, 7, 4, 4

• 5, 7, 4, 4

• 5, 6, 4, 4

Find the difference between 61 hundreds and 24 tens.

Type down the first 7 multiples of the quotient of "8 divided by 2".(separate each multiple with a comma, followed by a 'space'. E.g. 1, 2, 3, 4, .....)

9 x 8 = (3 x 8) + (1 x 8) + ______ (answer in whole number)

Ali went to a nearby food centre to buy dinner for 6 of his family members, not including him. He bought nasi goreng for everyone, at $3 per packet. How much did he spend in total?

A bookshop staff was asked to shelf 80 identical science textbooks before a sale. During the sale, a total of 9 customers each bought 5 textbooks. How many textbooks were left in the shelf after the sale?

• 40

• 66

• 35

• 125

In the division of 93 and 5, the quotient is 18 and the remainder is 3.

• True.

• False.

Type the following amount using $.Six thousand and thirty-three dollars and two cents. (Begin your answer with $ and remember to add a decimal place (.) before typing the cents place.)

Tom wants to buy a $22 school bag. However, he only has 50-cent coins in his wallet. How many 50-cent coins does he need to purchase his item? (Answer in whole number, e.g. 2, not 2 50-cent coins.)Hint: 50 cents = Half a dollar

Along a cycling track, there are 7 streetlights from one end to the other end of the track. The distance between one streetlight and its neighbour is 5 metres. What is the total distance of the cycling track? (Express your answer in m.) - meaning metres.

To reach his workplace, Manny has to walk 100m from his home to the carpark, then drive 14 kilometres before arriving at the office multi-storey carpark. From there, he has to walk 50m before entering his office. What is the total distance Manny will need to travel in order to reach his office from his home? (Express your answer in m.) - meaning metres, no need for a comma when there's a thousands place.

A cube has 6 sides, each side is a square. If the length of each side of a square is 3cm, what is the volume of the cube? (No need to add the units for the area of the cube, just answer in whole number.)

Larry has a mass of 45kg. His younger brother's mass is 3 times lighter than his mass. After 3 years, both of them gained 7kg 100g. What is the total mass of the two brothers after 3 years?

• 74kg 200g

• 74 kg

• 74kg 400g

• 74kg 300g

1/12 + 1/24 = 3/12

• True.

• False.

Arrange the following fractions in an ascending order.1/4, 2/3, 6/10, 2/5Hint: Make all denominators the same and compare.

• 2/3, 2/5, 6/10, 1/4

• 1/4, 6/10, 2/5, 2/3

• 2/5, 1/4, 6/10, 2/3

• 1/4, 2/5, 6/10, 2/3

7/49 = 1/7 = 14/98

• True.

• False.

8/13 + 4/5 = ________(Express your answer as an improper fraction.)

12/29 = 57/29 - ___/29

There are 105 fruits. 35 fruits are oranges, 15 fruits are apples, 20 fruits are grapes and the rest are pears. What fraction of the fruits are pears? (Express your answer as a fraction in its simplest form. E.g. 2/4, simplest form = 1/2.)