Essential Geometric Constructions Techniques

The video tutorial demonstrates six basic geometric constructions using the Circle Master Compass. It covers copying a line segment, bisecting a line perpendicularly, drawing perpendicular lines through points on and off a line, bisecting an angle, and copying an angle. The tutorial highlights the features of the Circle Master Compass, emphasizing its durability and versatility with different writing tools. Each construction is explained step-by-step, providing practical tips for accurate execution.

What is the name of the tool used in the video for constructions?

• Set Square

• Ruler

• Protractor

• Circle Master Compass

Tags

CCSS.4.MD.C.6

Which company no longer sells the Circle Master Compass?

• ETA hand2mind

• Key Curriculum Press

• Nasco

• Papermate

What is the first basic construction demonstrated in the video?

• Bisecting an angle

• Copying a line segment

• Copying an angle

• Drawing a perpendicular line

What is the key step in perpendicularly bisecting a line segment?

• Using a ruler to measure

• Drawing a full circle

• Using a protractor

• Drawing arcs from both ends of the segment

Tags

CCSS.HSG.CO.C.9

How do you start drawing a perpendicular line through a point on the line?

• By measuring with a protractor

• By using a ruler

• By marking arcs on either side of the point

• By drawing a full circle

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the first step in drawing a perpendicular line through a point not on the line?

• Drawing a full circle

• Drawing arcs from the point

• Using a ruler to measure

• Marking the point on the line

What is the purpose of bisecting an angle?

• To divide the angle into two equal parts

• To find the midpoint of a line

• To draw a perpendicular line

• To copy the angle

Tags

CCSS.HSG.CO.C.9

Where should the compass point be placed when bisecting an angle?

• On the ruler

• On the midpoint of the line

• On the vertex of the angle

• On the arc

Tags

CCSS.4.MD.C.6

What is the first step in copying an angle?

• Drawing a perpendicular line

• Marking equal arcs along the arms of the angle

• Using a ruler to measure

• Drawing a full circle

Tags

CCSS.4.G.A.1

How do you ensure the copied angle has the same measure as the original?

• By using a ruler

• By measuring the distance across the angle

• By drawing a full circle

• By using a protractor

Tags

CCSS.4.MD.C.6