Lines and angles

Describe this shape

• It's a straight line.

• It's not a straight line.

• It's an open line.

• It's a curved line

What are these shapes?

• They all are broken lines

• They all are curved lines

• They all are open lines.

• They all are closed lines.

What are these?

• These are perpendicular lines.

• These are parallel lines

• These are oblique lines

• These are closed lines

What are these?

• These are perpendicular lines.

• These are parallel lines

• These are oblique lines

• These are closed lines

Describe this shape.

• 2 lines are intersecting.

• The 2 lines have 1 point in common.

• These lines are perpendicular.

• These lines make a right angle.

• These lines are parallel.

Describe this shape.

• These are 2 parallel lines

• These are intersecting lines.

• The lines have 1 point in common.

• These lines are perpendicular.

Parallel lines ...

• never cross.

• intersect and have 1 point in common.

• don't have any point in common.

• are at the same distance apart.

What are these?

• acute angles

• obtuse angles

• angles smaller than a right angle.

• angles bigger than the right angle.

What is this ?

• an acute angle.

• a right angle.

• an angle made by the sum of 2 right angles.

• an angle bigger than a right angle.

• a straight angle.

Describe this shape.

• The angle is bigger than the right angle.

• The angle is smaller than the straight angle.

• The angle is between the straight angle and the right angle.

• The angle is obtuse.