Page 77 - SPARK OF MATH book 4
P. 77
Vocabulary.
Point Line
Line segment Ray
Protractor Acute angle
Right angle Obtuse angle
Straight angle Intersecting
Perpendicular Parallel
Pictograph Bar chart
Axis Vertical
Horizontal
Objectives.
Identify intersecting, perpendicular and parallel lines.
Identify and estimate acute, right and obtuse angles.
Use a protractor to measure the degree of different angles.
Interpret information from pictographs and bar graphs.
Make their own bar graph.
At home.
Explain why people use ‘pictographs’ to present
complex information.
