Transcript variable_expressions

Variables – Expressions
Sometimes we
feel as if we are
beating each other
up to solve math
problems.
First of all there are certain words that are
used for math processes!
Copy these into your math notebook
Addition +
Plus
the sum of
increased by
Total
more than
added to
subtraction
-
Minus
the difference of
Lower than
less than
decreased by
subtracted from
multiplication x
Times
the product of
Multiplied by
of
division
Divided by
The quotient of
per

Let’s practice use “n” for a number –
the variable
Eight times a number
Eight fewer than a number
Eight more than a number
The quotient of eight and a number
One-eighth of a number
Using sage and scribe structure
Solve rewrite each of the following using
symbols
Four increased by some number
Some number divided by nine
The sum of twelve and some number
Four times some number increased by three
Some number divided by three decreased by eight
Six times the difference of some number and one
Some number subtracted from ten
The product of some number and 3 increased by 2
The solutions
4+x
y 9
12 + m
4x + 3
n 38
6(y-1)
10-n
3b+2
Practice work
Page 11 and 12 #20 through 34 evens