Algebra tiles
Combine like terms
Algebra tile equations
Solve equations
Check the solution
100
Area of this: 
y+y2+x2+x+x
=y2+y+x2+2x
100
2x2-7x2
-5x2
100
Which is great?
Right
100
2(x+4)=12
2x+8=12
2x=12-8
2x=4
x=2
100
Show your steps how to check x=2 is the right solution or not for 4x-4-3x=5x-3-7
4(2)-4-3(2)=-2
5(2)-2-7=0
not the solution.
200
Perimeter of this:
x+1+1+x+x+x+1+1
=4x +4
200
(x-2)-(2x+5)
x-2-2x-5
=-x-7
200
8x-7+2x=6x+4+4x
10x-7=10x+4
-7 =4
No solution
300
Area and perimeter of this: 
Area y2+2y+2y+4
y2+4y+4
Perimeter: y+2+y+2+y+2+y+2
=4y+8
300
5+3(x-6)
5+3x-18
=3x-13
300
Solve the equation by algebra tiles.
No solution.
300
4-3x-(x-1)=5x+4
4-3x-x+1=5x-4
5-4x=5x-4
5+4=5x+4x
9=9x
x=1
300
Show your steps to check x=16 is the right solution or not for 3(x-4)=2(x+2)
3(16-4)=3(12)=36
2(16+2)=2(18)=36
Yes
400
Area of this:
y+1
400
x2+3x-5+2(x2+x+1)
x2+3x-5+2x2+2x+2
=3x2+5x-3
400
Which one is great?
Right
400
5-2x=4x-7
5+7=2x+4x
12=6x
x=2
400
Show your steps to check x=5 is the right solution or not for 7x-5=7x-5
7(5)-5=30
7(5)-5=30
Yes.
500
Perimeter of this:
y+1+1+y+1+1+y+1+1+1+1+y
4y +8
500
(5x2-8x)-(x2-3x+9)
5x2-8x-x2+3x-9
4x2-5x-9
500
Solve equation by algebra tiles 
X=3
500
4x-5x+5-2=7x-8x+9-6
-x+3=-x+3
All numbers
500
Show your steps to check x=4 is the right solution or not for 4x-5=3x-2
4(4)-5=11
3(4)-2=10
No