Show:
Patterns
Midpoint
Area/Perimeter
Distance
Counterexamples
100
-2, 2, 6, 10...
What is 14
100
(0,0) and (6, 8)
What is (3, 4)
100
Formula for the area of a circle.
What is pi r squared
100
(0,0) to (0, 10)
What is 10
100
All prime numbers are odd.
What is 2
200
4, 2, 1, 1/2...
What is 1/4
200
(1, 1) and (7, 5)
What is (4,3)
200
Formula for the circumference of a circle.
What is pi times diameter
200
(0, 3) to (4, 0)
What is 5
200
x squared is always greater than x
What is 0, 1, or any positive fraction
300
0.1, 0.01, 0.001, 0.0001...
What is 0.00001
300
(-5,8) and (3, -2)
What is (-1, 5)
300
Area of a triangle whose base and height are both 5 inches.
What is .5*5*5 = 12.5 inches squared
300
(2, 3) to (4, 8)
What is the square root of 29
300
(x+1)/x is always greater than or equal to one
What is any negative number
400
3, 5, 8, 13, 21, 34...
What is 55
400
(2,9) and (-2, -1)
What is (0, 4)
400
The area of a rectangle whose diagonal is 10 inches and length is 8 inches.
What is 6*8 = 48 inches squared.
400
(-1,6) to (4, -6)
What is 13
400
If the product of two numbers is even, then both numbers must be even. For example, since 2*6 = 12, then 2 and 6 are both even.
What is 3*4=12 and 3 is odd
500
6561, 81, 9, 3 ...
What is the square root of 3 ( or about 1.73)
500
Endpoint at (-3, -3) and a Midpoint at (3, -9). Find the other Endpoint.
What is (9, 15)
500
The circumference of a semi-circle whose radius is 8 inches. (use 3.14 for pi)
What is 41.12 inches.
500
Suppose M is between L and N. If LM = 3x+8, and MN = 2x-5, and LN = 4x+7, find the value of x.
What is 4.
500
Without using a calculator or paper, square 85.
What is 7,225