multiplying and dividing whole #'S

when will we need to multiply and divide whole numbers?

We usually need to multiply and divide whole numbers when we need to put things in groups or we need to find out how many buses we need for the next 5th grade field trip.But just to sum it up we multiply and divide whole numbers every day. Here are two examples to walk you through it: 3x3=9 and 15/3=5.

dividing whole numbers

when you divide whole numbers you have to line up hundreds with hundreds ,tens with tens, ones with ones.

multiplying whole numbers

multiply the same as you divide only this time Do not DIVIDE! remember:bottom times top or top times bottom!

Here is a song to help you remeber how to multiply and divide whole numbers

When your multiplying numbers heres what you do you grab the numbers and line them up to ones with ones, tens with tens, hundreds with hundreds lets do it again.when your dividing heres what to do you grab the numbers and line them up to ones with ones, tens with tens, hundreds with hundreds Now lets begain. multiplying numbers is easy to do for example 4x2.Dividing numbers is kind of hard to do for example heres what you do take the 20 and divide by 2.multiplying and dividing is easy to do just look at the problem and you will know what to do.