Worksheets, Mental Math Strategies, Multiplication, Properties, Rounding, Decomposing, Doubling and halving, Multiplying by 9, 11, 5, Factors of 100, Grouping, Multiplying in stages,Encouraging students to look for patterns and connections in multiplication and finding quicker methods to solve problems will help them develop their mental multiplication skills and improve their number sense. Apart from the algorithm that requires splitting a number according to place value, there are many more st