| Question | Answer |
| What has a starting point and ending point? | line segment
|
What goes on forever in both directions? | line
| What is halfway between 2 points? | midpoint
| What has an endpoint and goes on in the other direction forever? | ray
| What are intersecting lines called that create 90 degree angles? | perpendicular lines
| What tool is used to measure angles? | protractor
| An angle less than 90 degrees is called a(an)______angle. | acute
| An angle more than 90 degrees but less than 180 degrees is a(an)_____angle. | obtuse
| An angle more than 180 degrees is a(an)____angle. | reflex
| An angle that is exactly 90 degrees is a(an)____angle. | right
| An angle that is exactly 180 degrees is a(an)_____angle. | straight
| What are lines that cross each other called? | intersecting
| 2-(-73)= | 75
| 39+(-20.4)= | 18.6
| 67.086-(-20)= | 87.086
| 3.008-46= | -42.992
| 85.082+48.11= | 133.192
| 17-(-58.12)= | 75.12
| 32+(-72.1)= | -40.1
| 12.006-(-49.29)= | 61.296
| 51.8-92.004= | -40.204
| -56/-8= | 7
| a/-7=-9 | 63
| -50/a=10 | -5
| -36/9= | -4
| -6 x a=-18 | 3
| a x -7= 49 | -7 |
