We are learning division. We are studying Division. I do not understand division when you are dividing one decimal number into another decimal number. Please explain greatest common factors, how to find them, and how they are different from lowest common multiples. With groups of 7, there are no eggs left over.
Trial division is a technique for factoring a number.
Proof of a trick for numbers that are divisible by 3 or 9. Elise wants to make a rectangular arrangement out of 24 squares. One side must be 8 squares.