REVISION - 8IG1E0

A student draws a diagram of a chicken's egg and includes the magnification, m, of the drawing.

The student writes m = x2.

The image length on the diagram is 140 mm.

What is the length of the actual chicken's egg?

• 35 mm

• 70 mm

• 140 mm

• 280 mm

A cylindrical can is rolled along the ruler shown in the diagram.

The can rolls over twice.

What is the circumference (distance all round) of the can?

• 13 cm

• 14 cm

• 26 cm

• 28 mm

The diagram shows four identical spheres placed between two wooden blocks on a ruler.

• 1 cm

• 2 cm

• 3 cm

• 4 cm

• A

• B

• C

• D

A student uses a piece of string to measure the circumference of a pencil.

He wraps the string around the outside of the pencil. The string wraps round exactly six times.

He measures the length of string used with a ruler. What is the circumference of the pencil?

• 2.4 cm

• 2.6 cm

• 14.4 cm

• 15.4 cm

Diagram 1 shows a measuring cylinder containing water. Five identical steel balls are now lowered into the measuring cylinder. Diagram 2 shows the new water level in the cylinder. What is the volume of each steel ball?

• 6 cm³

• 14 cm³

• 30 cm³

• 70 cm³

A stopwatch is used to time a runner in a race. The diagrams show the stopwatch at the start and at the end of a lap of the race.

How long did the runner take to finish the lap of the race?

A            50.00 seconds

B            50.10 seconds

C            90.00 seconds

D           100.10 seconds

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D