We went over our chapter 5 quiz review together in class, answering any questions the students had. We then went through a review exercise in which partners worked with several different types of review problems in 5 minute intervals. After 4 of these rotations, the students then got started on their second quiz review towards the end of the period.
Assignment: Chapter 5 Quiz review #2
Lesson 5-1 practice worksheet
1. both pairs of opposite angles congruent in parallelograms
2. diagonals bisect in parallelograms
3. both pairs of opposite sides congruent in parallelograms
4. both pairs of opposite sides congruent in parallelograms
5. WX = 15
6. angle WXY = 110
7. XP = 13
8. WY = 36
9. angle WXY = 105
10. angle WZY = 120
11. angle STP = 112
12. angle PSR = 100
13. angle PQR = 100
14. angle PSQ = 25
15 QR = 19
16. RS = 25
17. x = 6
18. angle P = 105
19. x = 16
20. x = 7
Two column proof
Statements Reasons
ABCD is parallelogram given
P is midpoint of AB given
Q is midpoint of DC given
AP parallel to DQ opp. sides of large parallelogram parallel
AP = 1/2 AB midpoint theorem
DQ = 1/2 DC midpoint theorem
AB = DC opp. sides of large parallelgram congruent
AP = DQ transitive
AP congruent DQ def. of congruent
APDQ is parallelogram if one pair of sides is both parallel and
congruent, then figure is parallelogram
Lesson 5-2 Practice worksheet
1. yes; both pairs of opposite sides are congruent
2. yes; both pairs of opposite sides are parallel
3. yes; one pair of opposite sides are both congruent and parallel
4. no conclusion possible
5. yes; diagonals bisect each other
6. yes; both pairs of opposite sides are congruent
7. yes; both pairs of opposite angles are congruent
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