Math Grade 9 

1.1 Matrix 1.1.1 Rows and Columns of a Matrix 1.1.2 Order of a Matrix 1.1.3 Equal Matrices

1.3 Addition and Subtraction of Matrices 1.3.1 Addition of Matrices 1.3.2 Subtraction of Matrices 1.3.3 Multiplication of a Matrix by a Real Number 1.3.4 Commutative and Associative Laws of Addition of Matrices 1.3.5 Additive Identity of a Matrix 1.3.6 Additive Inverse of a Matrix

1.4 Multiplication of Matrices 1.4.1 Associative Law under Multiplication 1.4.2 Distributive Laws of Multiplication over Addition and Subtraction 1.4.3 Commutative Law of Multiplication of Matrices 1.4.4 Multiplicative Identity of a Matrix 1.4.5 Verification of\[ (AB)^t = B^t A^t\]

1.5 Multiplicative Inverse of a Matrix 1.5.1 Determinant of a 2-by-2 Matrix 1.5.2 Singular and Non-Singular Matrix 1.5.3 Adjoint of a Matrix 1.5.4 Multiplicative Inverse of a Non-singular Matrix 1.5.5 Inverse of a Matrix using Adjoint 1.5.6 Verification of \[(AB)^{-1} = B^{-1} A^{-1}\]