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 ...