Mrs. C's Math Challenge

8th Grade Mental Math

100

17 * 3

51

200

26+98

124

300

2(3+5)

16

400

8(4-9)+12

-28

500

(7-4)²+(8-2)

15

8th Grade Graphing

100

There are _______ quadrants on a coordinate plane

4

200

The points on the coordinate plane

What are coordinate points? Ex: (x, y)

300

What signs does Quadrant IV have?

(+, -)

400

An x and y axis divided into 4 quadrants.

What is the coordinate plane?

500

 A graph used to show change over a period of time.

What is a line graph?

8th Grade Math

100

Rise over run

What is slope?

200

The steeper the line the steeper the ________.

Slope

300

If a line is decreasing then it's slope is __________

Negative

400

Equation for slope

What is m= y₂-y₁ / x₂-x₁

500

Equation for a line

y= mx+b

Advanced Math

100

Slope of y=2x-4

What is m=2

200

y-intercept of y=3x-8

What is -8

300

Slope of -3/4x + 6

What is m=-3/4

400

Slope of y=-2

What is m=0

500

The slope of x=5

What is m=undefined

Trivia

100

Who is Mrs. C's favorite Marvel character?

Captain America

200

When is the last day of school?

When is May 24th?

300

What is the longest bone in the human body?

What is the femur?

400

What is the only planet in our solar system that rotates clockwise?

What is Venus?

500

Which Peanuts character always plays the piano?

Schroeder