1. Geometry: Unit 1 Review
Mathsketball

2. Do Now
Find the distance between (-1, -4) and (5, 4) on a coordinate plane.

3. Vocabulary
Interior point
Exterior point

4. Mathsketball Rules Your table group is your team.
One team member works on a problem on the whiteboard with help from partners.
If correct, one person (called by color) will have the opportunity to shoot a 1, 2, or 3 point basket.

5. Point Deducted for… Wrong person working on problem
Using markers for anything but solving equations
Disrespectful teams/teammates
Rowdiness (including tossing the “ball” when you aren’t making an official shot)

6. 13 Questions
Start by 8:10, 3 minutes per question.

7. Segment Addition
Point K is in between point X and Y on a line. If KX is 2x+3 inches, KY is 5x-7 inches, and XY is 24 inches, what is x?
Sketch a diagram and solve for x.

8. Segment Addition
x=4

9. Supplementary
If is supplementary to and determine the measure of

10. Supplementary
What is the sum of complementary angles?

11. Vertical Angles
Using proper notation, name a pair of vertical angles in the diagram below. E A X D B C

12. Vertical Angles
and
and

13. Classify Angles
Write the definition of an acute angle and sketch a diagram.

14. Classify Angles The measure of an acute angle is less than 90 degrees.
You also know obtuse angles, right angles, and straight angles.

15. Distance Between Two Points
Find the distance between (1, -3) and (6, 9) on the coordinate plane.

16. Distance Between Two Points

17. Angle Bisector
If ray OX bisects angle NOP, what is y? First write an equation using the angle names. N O X P

18. Angle Bisector

19. Different types of lines
Write the correct notation for each type of line and draw a diagram. In each diagram, label the points P and Q.
Ray
Line Segment
Line

20. Different types of lines
Ray
Line Segment
Line P Q P Q Q P P Q

21. Angle Addition
Point D is on the interior of angle ABC. Sketch a diagram of the angle and ray BD, then write an equation about the diagram using the angle addition postulate.

22. Angle Addition A B D C

23. Midpoint
Picture a number line. If one endpoint is -4 and the midpoint is 12, what is the other endpoint?

24. Midpoint 28

25. Consruction
How do you construct a perpendicular bisector of segment AB using a ruler and protractor? A B

26. Consruction Measure the length of AB. Divide by 2.
Measure and mark the midpoint.
Use the protractor to measure 90 degree angle at the midpoint and draw a line.
*You should also know how to construct an angle bisector.

27. Angles Vocabulary Multiple choice. Draw a diagram!
The nonshared sides of two adjacent angles form a 90 degree angle.
The angles are ______________.
(a) a linear pair (b) supplementary
(c) both obtuse (d) complementary

28. Angles Vocabulary
(d) complementary

29. Midpoint
Find the midpoint of (-5,2) and (7,9) on a coordinate plane.

30. Midpoint
(1, 3.5) or (1, 7/2)

31. Collinear vs. Coplaner
Write a sentence explaining the difference between collinear points and coplaner points.

32. Collinear vs. Coplaner
Collinear points are on the same line. Coplaner points are on the same plane.

33. Just for fun...
Ms. Kutler's famous!