Moore, 8th Grade Math

Equations

100

x+6=12 

x=6

200

7x+3=24

x=3

300

3(u-7)

3u-21

400

4x+8=2x+32

x=12

500

3(2x-5)= 3x + 30

x=15

Slope

100

What is the slope formula?

y₂ - y₁ / x₂ - x₁ 

200

What is the slope intercept formula?

y=mx+b

300

Use the slope formula to find the slope of this line given the following points.

A (3,2)  B (9,6)

Slope = 4/6

400

Use the slope formula to find the slope of this line given the following points.

A (3,2)  B (5,0)

-2/2 or -1

500

Surprise questions:

Snowman + Snowman = 18

Candy Cane + Snowman = 12

(Candy Cane x Snowman) - Elf = 7

How much is the Elf worth?

Snowman = 9 

Candy Cane = 3 

Elf = 20

Similar/Congruent and Rate of Change.

100

In order for a shape to be congruent, it has to be both the ____ and ___

Same size and the same shape

200

In order for a shape to be similar, it has to be the same  ____ but can be a different ___

Shape 

Size

300

Create an equation to represent the cost after x months. AT&T has an initial setup fee of $20. Each month you are on AT&T’s plan it cost $50 a month.

50x+20

400

Create an equation to represent the cost after x months. T-Mobile has an initial setup fee of $10. Each month you are on T-Mobile’s plan it cost $55 a month.

55x+10

500

A parking lot charges $2 per hour to park, with an initial fee of $5 when entering. Write an equation for the total parking cost, and figure out total cost for parking for 8 hours.

2x+5

After 8 hours cost= $21

Pythagorean Theorem

100

Use the Pythagorean Theorem to solve this problem. Side A=3 and Side B=4, with this information solve for Side C

C=5

200

Use the Pythagorean Theorem to solve this problem. Round to the nearest tenth. Side A=10 and Side B=24, with this information solve for Side C

C=26

300

Use the Pythagorean Theorem to solve this problem. Side A= and Side B=9, with this information solve for Side C=41

A=40

400

Use the Pythagorean Theorem to solve this problem. Side A=6 and Side B=, with this information solve for Side C=36 

B=35.5

500

Off the coast of Florida, a coast guard building is (b) 200 yards away from a lighthouse. A ship coming to shore at night is (c) 300 yards off shore from the coastguard building. Knowing this, figure out how far away the ship is from the lighthouse (a).

a=223.6

Holiday Category

100

You are as cuddly as a cactus and as charming as an eel _____ 

The Grinch

200

What brought Frosty the Snowman to life?

A top hat

An old silk hat

300

The train that takes kids to the North Pole to visit Santa.

The Polar Express

400

Who is the most famous Reindeer of them all?

Rudolph 

500

How many ghost visited Scrooge on the night before Christmas? 

Four ghost, Past, Present, Yet to Come, and Marley.