Describe a way you can use graham crackers to demonstrate the division problem  3 divided by 1/4  . include the result in your description.

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Hundred and tens tables to make 430 in five different ways

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?