STEP INTO THE GED
READING PRACTICE:
Introduction to the Scientific Calculator

RETURN TO: Scientific Calculator Passage
  Answer the questions in the boxes provided. (NOTE: To move from one line to another, use the tab key or click in the next line.)

1.  What is a calculator?

2.  What is the difference between what the C key does and what the AC key does?
 

3. What does the ►key do?
 



4. When do you think you might want to use a calculator?
 

5. Can a calculator make a mistake? 
 
 


6. Can you ever get a wrong answer using a calculator?
 

7. In your opinion, does someone who knows how to use a calculator need to know how to do math problems on his own?  Why?  Why not?
 
 

8. Do you have any ideas about what people did to work difficult problems before they had calculators?
 

9. In your opinion, who is smarter, a man or a calculator?  Why?
 

10. What is the order of operations?
 
 

Note:  Questions 7, 8, and 9 may be used for discussion.
 

Vocabulary Practice

Match each one of the words in Column A with one of the words in Column B.

                   A                                            

  1.  calculate                        

   2.  clear                              

   3.  entry                              

   4.  key                                 

   5.  rule                                

   6.  operations 

   7.  answer                          

   8.  multiplication

    9.  order

  10.  formula

 

 

  

 


               B

a.     number put in

b.  button

c. result

d.  law

e.    calculations

f.       accepted way of doing something

g.    sequence

h.     times

i.        determine

j.        erase

 
 

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© Leecy Wise and Vicky Lara, authors