Practice HW 4

Which of the following is a multiple of 6?

• 36

• 22

• 16

• 3

2047 x 8 = ?

• 16584

• 16084

• 16073

• 2873

32 x 45 = _____ x 5

• 7200

• 1440

• 385

• 288

5 min 16 s = _____ s

• 21

• 80

• 316

• 516

The figure below is made up of 3 identical rectangles. The length of the rectangle is 7 cm and its breadth is 3 cm. What is the perimeter of the figure?



• 20 cm

• 33 cm

• 40 cm

• 60 cm

Gillian went for a gathering with her friends. She left home at 20:50

and returned home at 00:30 the next day. How long was she out

that night?



• 3 h 20 min

• 3 h 40 min

• 4 h 20 min

• 4 h 40 min

4 ruler cost as much as 2 erasers of the same type. Matcolm paid

$4.80 for 1 ruler and 4 such erasers. Find the cost of 1 eraser.



• $0.80

• $0.96

• $1.20

• $1.60

Mr Ng bought a carpet measuring 4 m by 2 m. He placed It in the

middle of a rectangular room, leaving a border of 1 m around it.

What was the area of the room not covered by the carpet?



• 7 m2

• 8 m2

• 16 m2

• 24 m2

Victoria is 36.4 kg. She is 6.25 kg heavier than Wendy. Yannie is

3.8 kg lighter than Wendy. What is the mass of Yannie?



• 26.35 kg

• 38.85 kg

• 56.5 kg

• 81.5 kg

Which of the shapes bellow cannot be tessellated?

• A

• B

• C

• D