This product will help students practice the following skills:-Writing Hindu-Arabic numerals in expanded form-Writing the expanded form of a numeral as a Hindu-Arabic and Babylonian numeral-Converting numerals to base ten-Converting base ten numerals to numerals in other bases than ten-Adding, subtracting, and multiplying numerals in other bases than tenI use this SMART notebook presentation to review all of the topics that we cover in our unit about number representation and our number system.