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Warm-up (day 4)

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Midpoint G.3A (day4)Objective:SWBAT find the mdpt on a number line & coordinate plane (1.7)lWarm-up:“Terms Segments Lengths”- odds**hw/hw log/StorybookHomework (day 4):“Terms, segments, Lengths” worksheet(evens)“Midpoints” worksheet(evens)Pearsonsuccess due FridayBring Graph Paper for day 5 LessonQuiz next block (alg I skills, 1.2, 1.3,1.7)

### Warm-up (day 4)

• “Terms, Segments and Lengths” worksheet (odds)

• Check Homework

“Story Time…………….”

### Midpoint of a Segment

What does midpoint of a segment mean?

If X is the midpoint of AB ____________

If AX BX ____________________

“Midpoint” worksheet (1-8)

B

A

X

Midpoint

### Midpoint on Number Line

Midpoint RC 2. XB 3. 4. KC 5.

-3 190 124 8 29

Midpoint PR7. Length BX 8. identify two congruent segments

123 190 BR KB

### Let’s Practice- graph Paper in front of room

Given: C(-3,0) D(-3,-4)

• Midpoint AB (2, 1)

10. AB

11. (0, -1)

12. Length AC

13. CD 4

A

B

### Example:

14. In the skateboard design, bisects at point T, and find .

“Midpoint” worksheet (9-17odd)

X

V

T

W

Y

### Using Algebra with line segments

15. Point M is the midpoint of ; Find the length of .

4x - 1

3x + 3

V

M

W

### Finding the missing value(s)

16. Find the missing endpoint of where M is midpoint (4,-1) and J(3,2). Find the coordinates of K. (5, -4)

17. The midpoint is (-1, 0) and one endpoint is

(-5,-6). Find the missing endpoint. (3, 6)

### Extra Practice:

18. Find the measure of

5x - 7

11-2x

P

M

Q

l

### Extra Practice:

19. Find the coordinates of the missing endpoint of when M(-1,-2) and one endpoint is W(4,4). Find the coordinates of V.

### Extra Practice:

Find the length of ,

where A(-3, 2) and B(1, -4)