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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
Bell RingersSolve for x in each of the following.
1. 3x = 15
2. x + 5 = 8
3. 5x 5 = 30
4. 3x 8 = 22
5. 5x 4 = 10x + 26
x =
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
Distance on a Line Segment
Pull for Formula
d = l X1 X2 l
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
1084.514811
A B C D E F G H
Length of a Line Segment on a number line
The Distance Formula gives the distance between any two points. It can be used to find the length of a line segment.
Drag and drop the coordinatesinto the formula.
Pull for Teacher's Notes
Pull for H
int
Pull for Answ
er
l x1 x2 l
.5
AC=
CH=
DG=
DF=
d=
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
Midpoint on a Line Segment
Pull for Formula
midpoint = (x1 + x2)/2
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Distance and midpoint on number line and pythagorean theorem.notebook
5
August 02, 2011
1084.514811
A B C D E F G H
Length of a Line Segment on a number line
The Midpoint Formula gives the coordinate in the middle of any two points.
Drag and drop the coordinatesinto the formula.
Pull for Teacher's Notes
Pull for H
int
Pull for Answ
er
(x1 + x2)/2
.5
AC=
CH=
DG=
DF=
midpoint =
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
Pythagorean Theorem
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
257
Length of a Line Segment
A
B
x
yWhat is AB? Drag the answer to the dotted square. Only the correct answer will appear.
Pull for H
int
5
That's right!
42 + 32 = c216 + 9 = c225 = c2
√25 = c5 = c
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
Practice
Draw a line segment.Find its length.
Pull for Form
ula
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
1
Use the number line to find the length of LN.
A 6
B 4
C 5
D 5
L M N P
0 2 4 624
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
2
Use the number line to find the midpoint of MP.
A 1
B 4
C 3
D 5
L M N P
0 2 4 624
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
3
Use the number line to find the midpoint of LN.
A 2
B 1.5
C 2.5
D 2.5
L M N P
0 2 4 624
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
4
Use the Pythagorean Theorem tofind the length of AB.
A 5.1
B 172
C 13.11
D 12
A
B
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
5
Use the Pythagorean Theorem tofind the length of AB.
A 12.08
B 11.05
C 10
D 146
A
B
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Distance and midpoint on number line and pythagorean theorem.notebook
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August 02, 2011
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Attachments
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SMART Notebook
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