fractions

 For example, 1/2 is a fraction.A    fraction simply tells
us how many parts of a whole we have. You can
recognise a fraction by the slash that is written
between the two numbers. We have a top number,
the numerator, and a bottom number,
the denominator      . 

fraction

denominator

parts

numerator

Give me four different fractions

5/9

3/100

9/7

1/90

Algebra 1

Algebra is the language of    numbers /mathematics                        . In algebra we use letters        to represent  mathematics/ numbers. Finally and most importantly, we can use algebra to solve problems         . 

3xn=15   n=5

2+8=n     n=10

n-6=8      n= 14

20÷n= 5    n=4