Vocabulary
What is the letter in Algebra called?
3x (What is x?)
Variable
What is the pattern?
2,6,4,8,10,16,20
Even Numbers
What do you need to make both sides even?
8 + ___ = 16
8
If x=5 find the answer to x + 6
5+6
= 11
4x + 5x =
9x
The number that is multiplied by a variable or written in front of the variable. Is called what?
Coefficient
What is the pattern?
10,35,15,20
Multiples of 5
What is missing to make both sides even?
13 = 20 - __
7
If x=3 find the answer to 4x.
4 x 3
=12
4x - 3x =
x (Not 1x)
3x and 5x are examples of what?
Like terms
What is the rule of this pattern?
2,4,6,8,10
+2
Complete the following question.
6 + ___ = 15 - ___
There are Multiple correct answers.
eg. 6 + 5 = 15 - 4
If a=4 and b=6
what is b x a =
6 x 4
= 24
3a - 3b =
3a - 3b
x=5 into x+3 is and example of what?
Substitution
What is the rule of this pattern?
3,4,7,11,18,29
Add two previous numbers together
Explain which number needs to be switched to make both sides even?
13 + 7 = 6
7
as 7 + 6 = 13
If x = 2 find the answer to 3x - x
3 x 2 - 2
= 6 - 2
= 4
3a + 3b - 2b =
3a + b
When we multiply to remove the brackets, what is this process called
Expanding or Expand
Create a pattern with 4 numbers using the rule of 3x.
Identify which two numbers need to be switched.
6 + 9 = 4 + 7
9 & 7
as 6+7=4+9
If x = 8, what is y in this question
x = y - 5
8 = y - 5
y = 8 + 5
y = 13
4a + 8b - 2a - 3b =
2a + 5b