Lesson

Can you identify a half turn?

Which of these clocks shows a half turn?

A

B

Worked Solution

Idea summary

A turn is a rotation around a point. A half turn shows a rotation halfway around the clock.

Angles are a measure how much something turns and they are all around you. Let's learn about where we may see angles.

Which door has made a bigger angle when opened?

A

B

Worked Solution

Idea summary

An angle measures the amount of turning between two lines.

Let's look at how similar objects can have different angles. Let's look at how angles can be bigger, smaller or the same.

In the clocks shown, think of the angle from the minute hand to the hour hand going clockwise.

Which clock shows the bigger angle?

A

B

Worked Solution

Idea summary

Even if we make the arms of an angle longer, the size of the angle doesn't change.

identifies, describes, compares and classifies angles