PYTHAGOREAN THEOREM AND DISTANCE FORMULA

PRACTICE WITH DISTANCE ON A GRID

Find the distance from point A to point B.

DISTANCE IN A COORDINATE PLANE

PRACTICE WITH DISTANCES
IN A COORDINATE PLANE

Use the distance formula to find the distance between the points given.

1. A to B

2. C to D

3. E to F

4. G to H

5. (0, 3) to (-7, 4)

6. (-12, 4) to (3, -10)

CIRCLES IN THE PLANE

PRACTICE WITH CIRCLES

Find the equation of the circle.

1. Center at the origin, radius = 7 units

2. Center at the origin, radius = 1 unit

3. Center at the origin, radius = 15 units

4. (BONUS!) Center at (1,2), radius = 3 units

5. (BONUS!) Center at (-2,7), radius = 5 units

CLASSROOM CONNECTION

Identify three Standards at your grade level that focus on prior knowledge
necessary to understand the equation of a circle.

Identify a lesson in your textbook that addresses one of these Standards.
Discuss strengths of the lesson and modifications you might make (if any)
to increase understanding for all learners.

THE RECTANGLE PARADOX

Cut up a 5 x 21 rectangle as shown in the picture. Put the pieces back
together as shown in the second picture to make an 8 x 13 rectangle.
Some area has been lost. Explain how.