Download algebra_notation_starter_2

Introducing Simple Algebra
© T Madas
I am thinking of a number (which you can call
n ), and I double it
2n
I am thinking of a number (which you can call
a ), and I treble it
3a
I am thinking of a number (which you can call
x ), I double it and then add 3 to it
2x + 3
© T Madas
I am thinking of a number (which you can call
k ), I double it and then add 5 to it
2k + 5
I am thinking of a number w, I multiply it by
3 and then subtract 2 from it
3w – 2
I am thinking of a number t, I multiply it by 4
and then add 7 to it
4t + 7
© T Madas
I am thinking of a number v, I multiply it by
4 and then subtract 7 from it
4v – 7
I am thinking of a number d, I multiply it by
7 and then add 6 to it
7d + 6
I am thinking of a number x , I multiply it by
6 and then subtract 5.
6x – 5
© T Madas
I am thinking of a number f, I multiply it by 5
it and then add 9 to it
5f + 9
I am thinking of a number y, I multiply it by
4 and then add 1 to it
4y + 1
I am thinking of a number p , I multiply it by
2 and then subtract 3.
2p – 3
© T Madas
I am thinking of a number a, I multiply it by
2 and then I subtract my answer from 10
10 – 2a
I am thinking of a number z, I multiply it by 3
and then I subtract my answer from 17
17 – 3z
I am thinking of a number q, I multiply it by
3 and then I add my answer to 6
3q++3q
6
6
© T Madas
I am thinking of a number a and I multiply it by 2.
Then I am thinking of a different number b and I
multiply it by 2.
Then I add my two answers together.
2a + 2b
I am thinking of a number x and I multiply it by 3.
Then I am thinking of a different number y and I
multiply it by 4.
Then I add my two answers together.
3x + 4y
© T Madas
I am thinking of a number t and I multiply it by 2.
Then I am thinking of a different number n and I
multiply it by 3.
Then I subtract my 2nd answer from my 1st answer.
2t – 3n
I am thinking of a number g and I multiply it by 4.
Then I am thinking of a different number h and I
multiply it by 2.
Then I subtract my 1st answer from my 2nd answer.
2h – 4g
© T Madas
I am thinking of a number a.
Then I am thinking of a different number b.
Then I multiply my two numbers together.
a
x
b = ab
ba
I am thinking of a number p.
Then I am thinking of a different number q.
Then I multiply my two numbers together.
p
x
q = pq
qp
© T Madas
I am thinking of a number r.
Then I am thinking of a different number s.
Then I multiply my two numbers together.
r
x
s = rs
sr
I am thinking of a number x.
Then I am thinking of a different number y.
Then I multiply my two numbers together.
x
x
y = xy
yx
© T Madas
I am thinking of a number x and I double it.
Then I am thinking of a different number y.
Then I multiply my two answers together.
x
x
2 x y = 2xy
2yx
I am thinking of a number a and I treble it.
Then I am thinking of a different number b.
Then I multiply my two answers together.
a
x
3
x
b = 3ab
3ba
© T Madas
I am thinking of a number p and I double it.
Then I am thinking of a different number q and I
multiply it by 4.
Then I multiply my two answers together.
p
x
2
x
q
x
4 = 8pq
8qp
© T Madas
I am thinking of a number m and I multiply it by 5.
Then I am thinking of a different number n and I
multiply it by 4.
Then I multiply my two answers together.
m
x
5
x
n
x
4 = 20mn
20nm
© T Madas
I am thinking of a number x, and I divide it
by 2
x
x ÷2 =
2
I am thinking of a number a, and I divide it
by 5
a
a ÷5 =
5
© T Madas
I am thinking of a number c, and I divide it
by 3
c
c ÷3 =
3
I am taking the number 3, and I divide it by
a number x
3 ÷x =
3
x
© T Madas
I am thinking of a number x, and I divide it
by another number y
x
x ÷y =
y
I am thinking of a number u, and I divide it
by another number v
u
u ÷v =
v
© T Madas
I am thinking of a number x and I double it.
Then I divide my answer by another number y
x
x
2 ÷y =
2x
y
I am thinking of a number x and I divide it by 4.
Then I add 7 to my answer
x
x ÷ 4 +7 =
+7
4
© T Madas
I am thinking of a number a and I treble it.
Then I divide my answer by 2
3
a
a x 3 ÷2 =
2
I am thinking of a number h and I divide it by 5.
Then I subtract 1 from my answer
h ÷5 – 1 =
h
5
–1
© T Madas
© T Madas