Algebra Readiness Made Easy Grade 6

INVENTIONS

Name _____ Date __

Complete the year of the invention.

The Rubik’s Cube was invented in Hungary by Erno Rubik in 19___.

The letter Dstands for a 2-digit number.

Use the clues to figure out the value of D.

CLUES:

1. 
   

   D is an even number

   
   


2. 
   

   D ≤ 150 ÷ 2

   
   


3. 
   

   D > 7 x 9

   
   


4. 
   

   The difference between the digits of D is greater than 2.

   
   


5. 
   

   The product of the digits is greater than 20.

   
   

14

1.What are all of the numbers on Ima’s list?

2.What is D? ___

3.How did you figure out the value of D? ____

4.Check your number with the clues. Show your work here.

5.Record Don the line below to complete the year of the invention.

The Rubik’s Cube was invented in Hungary by Erno Rubik in 19___.

PROBLEM

2

Algebra Readiness Made Easy: Gr

. 6

© 2008 by Greenes, Findell & Cavanagh, Scholastic Teaching Resources

Ima Thinker

I’ll start with Clues 2 and 3 ,and

make a list of values for D. The first

three numbers are 64, 65, and 66.