**Lines and angles - third and fourth class **

Content for third class

*The child should be enabled to*

- Identify, describe and classify vertical, horizontal and parallel lines?

*Discuss and describe lines in the environment?*

Draw and label lines.

Use geostrips to construct vertical and horizontal lines. - Recognise an angle in terms of a rotation?

*Form angles by opening books and doors, by rotating clock hands and geostrip arms, by physically turning (clockwise/anti-clockwise), or on computer.* - Classify angles as greater than, less than or equal to a right angle.

*Construct and use a right-angle measure to identify right angles in the environment and in 2-D and 3-D shapes.*

Classify and record angles as >, < or = to a right angle. - Solve problems involving lines and angles.

Content for fourth class

*The child should be enabled to*

- Identify, describe and classify oblique and perpendicular lines. Use straws to construct oblique and perpendicular lines
*and diagonals in a square?* - Draw, discuss and describe intersecting lines and their angles such as
*perpendicular and oblique lines, acute, obtuse and right angles?* - Classify angles as greater than, less than or equal to a right angle
- Solve problems involving lines and angles.