This is the final review for the chapter.


Question 1
What is an example of the "putting-together" model for addition.
Al has two dollars, Sheraqueesha has ten dollars. How many dollars do they have in all?

Al gets two dollars and loses one dollar. How much money does he have now.




Question 2
787+0=


0

787

-787




Question 3

5+-5=
0
|771+-771|
10




Question 4


-(-7)=

|7| -7




Question 5


-|88436|

88436 -88436




Question 6


True or false? -76+-5=-|76+5| true false




Question 7


Somebody turns -270 degrees and then 30 degrees. How did he turn in all?

-300 degrees

300 degrees

-240 degrees




Question 8


Simplify: x^2 + 6x + 4x + 25

(x + 5)^2

(x + 5)(x + (2 + 3))

x*x + 10x + 25x




Question 9


Solve for x: 3500x=7000