Multiply by 3 using the grouping of objects and arrays. Explore the Multiply by 3 facts using the grouping of objects and arrays. Compete against characters to see who finds the product first.

Multiplying and dividing whole numbers by numbers greater than 0 and less than 1 can be broken into a whole number calculation followed by multiplying or dividing by a power of 10, for example 10, 100 ...

The first two lines of the calculation use the same procedure as that of above. In the third line we are multiplying by \(300\) (three hundreds). As we are multiplying by hundreds both the tens and ...