Show:
Properties
Algebraic addition
Expressions
+ and - equations
X and / equations
100
addition property of equality
What is adding the same thing to both sides of an equation?
100

/-5/ is  

 5

100
2 less than a number n
What is n-2
100

-9 +n =-21

What is -12

100

The product of some number and 9 increased by 11 is 110

what is the word form of 9X+11 = 110

200
5 times 1 equals 5
What is the identity property of multiplication
200
/-9/ - /3/ =
What is 6
200
25 plus the product of 13 and t
What is 25 + 13t
200

-28 + n = 47

What is 75

200

6 times some number less than 8 is 62

What is   8-6x=62

300

Integers are open under addition?

Give two examples or counter examples

no

300
6- -5 =
What is 11
300
15 more than the product of 33 and y
What is 33y +15
300

-21+ n =76

What is 97?

300

Fourteen is the quotient of some number and three decreased by four

What is 14=n/3-4

400
5+0=5
What is identity property of addition?
400
-7 --6=
What is -1?
400
4 times the sum of -7 and h
What is 4(-7+h)
400

The product of two factors 8 and 2 times a number equal 27. 

n = 

400

what is fifty-three increased by the quotient of y and negative 5 produces the sum of 40

 53+y/-5 = 40

500

Is multiplication closed under integers?

give two examples or counter examples

yes

500
-9+-5 - - 10=
What is -4?
500
18 divided by the difference of t and 9
What is 18/t-9
500
/-21/-/9/
What is 12
500

The quotient of the some number and the negative dividend of 5 result in -18

 q/-5=18