Use letters, boxes, or other symbols to stand for any number in simple expressions or equations (e.g., demonstrate an understanding and the use of the concept of a variable).

1. th
4
Grade Math
Algebra
Solve for an unknown number represented by a
letter
Jessica Corriere & Robert Richards

2. This PowerPoint is a
th
sample of the book, 4
Grade Math
Visit our website
www.GreenAzibo.com

3. Use letters, boxes, or other symbols to stand
for any number in simple expressions or
equations (e.g., demonstrate an
understanding and the use of the concept of
a variable).

4. Which number is symbolized by n?
6 x n = 48
A. 6
B. 7
C. 8
D. 9

5. How to solve
Understand how to solve for the unknown.
6 x n = 48
Both sides must be treated the same
Divide both sides by 6 to get the n alone on one side
(6 x n) ÷ 6 = 48 ÷6
n = 48 ÷6
n=8
Choice C has the correct answer
***
You understand it when you can explain it

6. E-books only $2.99
We have 4th and 6th grade eBooks available
on;
Amazon (Click Link)
6th grade eBook on Nook (click Link)
6th grade eBook on iBooks (click link)