Variables
5x=15
3
(1+1)4
8
25+25=?
50
What do you need to remember when doing P.E.M.D.A.S?
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1+1
2
7x6x=252
X=?
6
3+8(7x5)=
Use a calculator
385
7x9=
63
What is a Variable
A variable in Mathematics is defined as the alphabetic character that expresses a number.
5+5
10
7x10x=280
4
81/3x3=
9
50x+3x+4=?
53x+4
(10x+100)+54=254
10
9+10
21