

1. 
What is the value of 4(9 + y) if y = 0.1? 


A. 
36.4 
B. 
36.1 


C. 
40 
D. 
3.6 


Hint 


2. 
The Ride Away Bike Shop has 27 mountain bikes and 34 road bikes. Find the expression that represents the number of tires in the Ride Away Bike Shop. 


A. 
34 + 27 
B. 
2(27) × 2(34) 


C. 
2(27 + 34) 
D. 
27 × 27 + 34 × 34 


Hint 


3. 
On average, letter carriers deliver approximately 670 million pieces of mail each day. About how many pieces of mail do they deliver in 6 days? 


A. 
4.02 billion 
B. 
4.02 million 


C. 
420 billion 
D. 
4,020 


Hint 


4. 
Rewrite a + (b + c) using the Associative Property. 


A. 
ab + ac 
B. 
(c + b) + a 


C. 
(a + b) + c 
D. 
a + b + c + 0 


Hint 


5. 
Which expression represents the Identity Property of Multiplication? 


A. 
j × 1 = j 
B. 
h × 0 = 0 


C. 
4 × 1 = 1 × 4 
D. 
8 + 0 = 8 


Hint 


