generating)equivalent)expressions) itemsappearoncalculatorandnoncalculatorsessions...

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Generating Equivalent Expressions Items appear on Calculator and Non Calculator Sessions 1. Which expressions below are equivalent to 2 2 + 1 ? Select all that apply. A. 4 + 2 B. 2 1 + 2 C. 2 2 + 1 D. 2 + 1 + 2 + 1 E. + + + + 1 + 1 2. Mario has read two less than four times the number of books Tonya has read. What factored expression represents the number of books, x, Mario has read? A. 4 + 2 B. 2( 1) C. 4( 2) D. 2(2 1) 3. Shannon says the two expressions below are equivalent. Is she correct? Explain why or why not? 2(3a – 2) + 4a and 10a – 2 4. Which of the given pairs of expressions are equivalent? Select all that apply. A. 3 + 2 and 5 B. 8 8 and 0 C. 9.1 + 4.5 2.5 and 11.1 D. 7 3 3 and 0 E. 6 3 and 18 5. Which expressions are equivalent to 6 + 9 18? Select all that apply. A. 3(2 + 3 6) B. 3(2 + 3 6) C. 3(2 + 3 6) D. (5 6) E. 3(5 6) F. 15 18 6. Which of the equations shows an application of the Zero Property of Multiplication? A. ! ! + 0 = ! ! B. ! ! 3 = C. 0 ! ! = 0 D. ! ! 2 ! ! + 3 = 5 7. Write an expression in simplest form that represents the sum of (2 5) and + . 8. What is the greatest common factor of the terms 24xy and 42x? 9. Rewrite the expression below as the sum of one constant and one variable term. 2 4 + 6 5 3 10. Factor the following expression: 16 + 20 11. Ms. Johnson asked her class to write an equivalent expression to 14 9 + 21 7 + 2 Riley wrote the expression 7 2 3 1 7 Ahmad wrote the expression 7 2 + 3 7 Ariana wrote the expression 7 2 3 7 Who is correct? Explain how you know. 12. Which expression is equivalent to the expression given below? 2 3 + 4 + 3 A. 6 B. 6 3 C. 3 D. 2 + 3

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Generating  Equivalent  Expressions  Items  appear  on  Calculator  and  Non  Calculator  Sessions  

 1. Which  expressions  below  are  equivalent  to  

2 2𝑥 + 1 ?    Select  all  that  apply.  A. 4𝑥 + 2  B. 2 1 + 2𝑥  C. 2 2𝑥 + 1  D. 2𝑥 + 1 + 2𝑥 + 1  E. 𝑥 + 𝑥 + 𝑥 + 𝑥 + 1 + 1  

 

2. Mario  has  read  two  less  than  four  times  the  number  of  books  Tonya  has  read.    What  factored  expression  represents  the  number  of  books,  x,  Mario  has  read?  

A. 4𝑥 + 2  B. 2(𝑥 − 1)  C. 4(𝑥 − 2)  D. 2(2𝑥 − 1)  

 3. Shannon  says  the  two  expressions  below  are  

equivalent.  Is  she  correct?  Explain  why  or  why  not?                          2(3a  –  2)  +  4a  and  10a  –  2    

 

4. Which  of  the  given  pairs  of  expressions  are  equivalent?  Select  all  that  apply.    

A. 3𝑧 + 2𝑧  and  5𝑧  B. 8𝑥 − 8𝑥  and  0  C. 9.1 + 4.5𝑎 − 2.5𝑎  and  11.1𝑎  D. −7𝑦 3 − 3  and  0  E. 𝑦 − 6 3  and  𝑦 − 18  

 5. Which  expressions  are  equivalent  to  6𝑥𝑦 + 9𝑥𝑦 −

18𝑦?  Select  all  that  apply.  A. 3(2𝑥𝑦 + 3𝑥𝑦 − 6𝑦)  B. 3𝑦(2𝑥 + 3𝑥 − 6)  C. 3𝑥(2𝑦 + 3𝑦 − 6)  D. 𝑥𝑦(5 − 6𝑦)  E. 3𝑦(5𝑥 − 6)  F. 𝑦 15𝑥 − 18  

 

6. Which  of  the  equations  shows  an  application  of  the  Zero  Property  of  Multiplication?    

A. !!𝑏 + 0 = !

!𝑏  

B. !!3𝑦 =  𝑦  

C. 0 ∙ !!= 0  

D. !!𝑚 − 2 − !

!𝑚 + 3 = −5  

 7. Write  an  expression  in  simplest  form  that  

represents  the  sum  of  (2𝑥 − 5𝑦)  and   𝑥 + 𝑦 .      

8. What  is  the  greatest  common  factor  of  the  terms  24xy  and  42x?  

 9. Rewrite  the  expression  below  as  the  sum  of  one  

constant  and  one  variable  term.    

2 𝑥 − 4 + 6𝑥 − 5𝑥 ∙ 3    

10. Factor  the  following  expression:    

16𝑥 + 20  

11. Ms.  Johnson  asked  her  class  to  write  an  equivalent  expression  to    

14𝑑 − 9 + 21𝑘 − 7𝑑𝑘 + 2  • Riley  wrote  the  expression  

7𝑑𝑘 2 − 3 − 1 − 7    

• Ahmad  wrote  the  expression  7 2𝑑 + 3𝑘 − 𝑑𝑘 − 7  

 • Ariana  wrote  the  expression  

7𝑘 2𝑑 − 3 − 𝑑 − 7                    Who  is  correct?    Explain  how  you  know.      

12. Which  expression  is  equivalent  to  the  expression  given  below?    

2 𝑥 − 3 + 4𝑥 + 3    

A. 6𝑥  B. 6𝑥 − 3  C. 3𝑥  D. −2𝑥 + 3