INVENTIONS
Name _____ Date __
Whose circuits are connected?
12
MAKE
THE
CASE
Algebra Readiness Made Easy: Gr
. 6
© 2008 by Greenes, Findell & Cavanagh, Scholastic Teaching Resources
Mighty Mouth
Boodles
CeCe Circuits
Of course,
Bis 14.
Obviously
Bis 29.
I believe that
Bis 23.
Complete the year of the invention.
Thetelevision 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:
The sum of the digits of B is not divisible by 2.
B ≥ 18 ÷ 2
B ≤ 90 ÷ 3
B has no factors except for 1 and itself.
The product of the two digits of B is a single-digit number.