All	Grade 7	Grade 8	Grade 9
Area	5 examples	4 examples	3 examples
Central Tendency	1 example	1 example
Equations	3 examples	3 examples	2 examples
Integer Addition	1 example	1 example	1 example
Integer Subtraction	1 example	1 example	1 example
Graphing	1 example	2 examples	3 examples
Properties of 2D Shapes		4 examples	4 examples
Properties of 3D Figures	2 examples
Ratios	1 example	1 example
Transformations	5 examples	3 examples
Perimeter		1 example	1 example
Volume	2 examples	2 examples	1 example