Lines, Rays, and Angles

Draw

100

Ray

Ray

200

Line

Line

300

Line Segment

Line Segment

400

Acute Angle

Acute Angle

500

Obtuse Angle

Obtuse Angle

Degrees

100

How many degrees is a Right Angle?

90 degrees

200

How many degrees is an Acute Angle?

Less than 90

300

How many degrees is an Obtuse Angle?

more than 90

400

How many degrees is a line?

180 degrees

500

How many degrees is a circle?

360 degrees

Add/Subtract

100

Part of a 90 degree angle is 10 degrees. How much is the remaining part of the angle?

80 degrees

200

Part of a 90 degree angle is 25 degrees. How much is the remaining part of the angle?

65 degrees

300

Part of a 90 degree angle is 46 degrees. How much is the remaining part of the angle?

44 degrees

400

Part of a straight angle is 120 degrees. How much is the remaining part of the angle?

60 degrees

500

An obtuse angle is 134 degrees. The obtuse angle is split into two equal parts. How many degrees is one of the parts?

67 degrees

Measurement

100

Draw a 90 degree angle.

90 degrees

200

Draw a 45 degree angle

45 degrees

300

Draw a 175 degree angle

175 degrees

400

Draw a 85 degree angle

85 degrees

500

Draw a 135 degree angle

135 degrees

Find

100

Write down 3 right angles in the classroom

5

200

Find 2 obtuse angles in the classroom

2

300

Find 3 straight angles in the classroom

3

400

Find 2 Acute Angles in the classroom

2

500

Find 1 acute, 1 obtuse, and 1 right angle

3