
Our lesson today reviewed the concepts of factors (numbers which are multiplied together to give a product) and multiples (think skip counting, or where a number is multiplied by 1, 2, 3 … and so on). We saw how multiples are infinite but factors are a defined set and limited for a particular number. Factors also come in pairs: 4 x 9 are factors of 36 because they multiply together to give the product 36. We reviewed how factors and multiples are important for fractions, prime, and composite numbers.