5th+6th+7th Grade Mathematics

Property

Variables

Inequalities

Geometry formulas

100

(3+4)+5=3+(4+5)

True or False?

True

100

10x+50=5(5x-2)

x=4

100

2939872342-2939872341>x>123456789-123456789

Format _>x>_

1>x>0

100

What is the formula for a circle's area?

pi times r²

^r=radius

100

usual rounding of pi

3.14

200

392-288-272

Turn into a format like

_(_-_-_)

2(196-144-136)

4(49-36-34)

200

10x-(9x-5)=5x-22

Solve for x

x=9/4

200

2+437>s>3-54

Format: _>s>_

439>s>-51

200

what is the formula for a circle's circumference?

2pi times r

r=radius

200

first 10 digits of pi

3.14159265

300

1 x 8 = 8

What property?

Identity Property of Mutiplication

300

5(4+8-3x(7-2))=293736(4638(0³⁴))+2

x=58/75

300

639<x<8

how many values of x? (must be a whole number)

631

300

What is the formula of a cylinder's area?

pi r² times h

r=radius

h=height

300

first twenty digits of pi

3.141592653589793238

400

4 x (15 x 25) Justification:

Step 1: 4 x (25 x 15) The given expression

Step 2: (4 x 25) x 15 ________________

Step 3: 100 x 15 ________________

Step 4: 1500 _________________

4 x (15 x 25) Justification:

The given expression

Step 1: 4 x (25 x 15) Commutive Property of

Multiplication

Step 2: (4 x 25) x 15 Associative Property of Multiplication

Step 3: 100 x 15 Multiplied 4 and 25

Step 4: 1500 Multiplied 100 and 15

400

3y-3x+3-92=(739(4³⁴-5x(0)))2-3+1(4)

y=2x

x=30

400

What is the probability that you will sit next to Alex if you are sitting in a circle of you and 4 other friends?

1/2

400

what is a cone's formula for the area?

pi times r² times h/3

r=radius

h=height

400

what is the first digit of pi

500

Name the three basic property's

Associative Property

Commutive Property

Distributive Property

500

101-1x=3x+1

:) you chose the easiest one

x=25

500

True or False, Is 0 a positive?

False

500

How do you get pi?

A circle's circumference divided by it's diameter

500

What is the last digit of pi?

Impossible to find out