Algebra Readiness Made Easy Grade 6

Algebra Readiness Made Easy: Gr. 6 © 2008 by Greenes, Findell & Cavanagh, Scholastic Teaching Resources

INVENTIONS

TEACHING TRANSPARENCY

M

A

K

ET

HEC

A

S

E

6

Whose circuits are connected?

Complete the year of the invention.

The television was invented in the United States by

Vladimir Zworykin in 19___.

The letter Bstands for a 2-digit number.

Use the clues to figure out the value of B.

CLUES:

1. 
   

   The sum of the digits of B is not divisible by 2.

   
   


2. 
   

   B≥ 18 ÷ 2

   
   


3. 
   

   B≤ 90 ÷ 3

   
   


4. 
   

   Bhas no factors except for 1 and itself.

   
   


5. 
   

   The product of the two digits of B is a single-digit number.

   
   

Mighty Mouth

Boodles

CeCe Circuits

Of course,

Bis 14.

Obviously

Bis 29.

I believe that

Bis 23.

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