7th Grade Math

Computing w/ Rational Numbers

150

(-) x (-) =

(+) or positive

250

-120 - -44

-76

350

-3/5 / 3/5

-1

450

What is the prime factorization of 36? Please use the tree for help. 

3 x 3 x 2 x 2 or 3^2 x 2^2

550

-5/4 + 1/2 + 3/4

0 or Zero

Slope

150

What is the formula to slope? 

y2-y1 / x2-x1

250

Find Slope: (10, 40) (5, 20) 

-20/-5 or 4/1 

350

What is 60% of 240? 

144

450

How do you know if a graph is porportional? 

Goes through the origin or (0,0)

550

If Jake is paid $18.75/hr. How much money will he get if he works 12.5 hours for 3 days straight. Round to the nearest hundredth. 

$703.13 

Geometry

150

What is pie stand for in numbers? 

3.14 

250

Define area of a circle?

A= 3.14(r²)

350

Define circumference of a circle? 

C=3.14(D)

450

Define radius and diameter?

Radius is right in the middle 

Diameter dives from one end to the other. 

550

Please find CARD: Circumference, Area, Radius and Diameter

If the give you a radius of 12. 

4 answers

R=12 

D=24

C= 75.36

A= 452.16

Expression, Equations and Inequalities

150

What does equivalent mean? 

Equal or the same

250

-7(8b -43) 

-56b + 301

350

(3x+2) + (-6x + 3)

-3x + 5

450

6x + 2 < 14

2<x

550

-3.5 x + 7 -24.5

x is greater or equal to 9

Exponents/Roots

150

Define the  word prime?

Prime means: 1 an its self

For example: 5: 1, 5 

250

9³

729

350

Square of 144

12 

450

Kelly wrote: 2⁴ x 5 x 3= 83

Is the student right, Yes or No

Please tell me what she did wrong. 

No, the correct answer is 240

550

What is the square root of 81 x square root of 144? 

108