Monday, November 7, 2011

Day 295

Well, Are You???
I prepared a fifth grade math test, tonight.  Go ahead and try some of the problems from the test!  No cheating and no calculators...show all your work!  ;)

Find the quotients:
1)  
234.5 ÷ 1  =
234.5 ÷ 10  =
234.5 ÷ 100  =
234.5 ÷ 1000  =

2)
7.8  ÷  1  =
7.8  ÷  1= 
7.8  ÷  100  = 
7.8  ÷  1000  = 


Divide.  Check by multiplying.  

3)
61.80 ÷  5 

4)
43.86 ÷ 12

5)
43.2 ÷ 0.6

6)
0.12 ÷ 0.08


Solve. 


7)   
What does 8.4 ÷ a equal, if a = 0.6?

    (a)  140
    (b)  14
    (c)  1.4
    (d)  0.14

8)  
 An overseas phone call costs $57.66 for 31 minutes. How much does the call cost per minute?

    (a) $1.78
    (b) $1.86
    (c) $0.19
    (d) $18.60

Use the six problem solving steps and the bar model to solve:

9)  Three kids bought a gift for their mom and dad.  If they spent $135.63 and shared the cost equally, how much did they each spend?

Step 1:
Read the entire problem and underline important info

Step 2:
Draw a unit bar(s).
Step 3:
Reread the problem again, sentence by sentence, using the needed info to label the bar(s).
Step 4:
Label the question on the bar.
Step 5:
Compute and solve correctly.
Step 6:
Write the answer in a complete sentence and check to make sure it is reasonable.
 
 
Review:

10)   
34.56 + 28  +  0.832  =

11)  
 489.9  -  23.825  =

12)   
Write the following in standard form:                         
four cubed                        

13)   
Write the following in exponential form:             
5 x 5 x 5 x 5                        

14)  
Order the following numbers from least to greatest:

345,872  ;  345,000.9  ;  345,877.398

15)  
Round 786,324 to the ten thousands’ place                                                
 

 

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