This is a collection of tutorial videos reviewing basic arithmetic skills literally produced for my grandchildren. They are targeted for upper elementary and middle school students not yet ready for Algebra 1. See…

This is a work in progress. Here are the currently available videos.

## Whole Number and Decimal Arithmetic

Place Value and the Decimal Number System

Multiplying or Dividing by 10, 100, 1000, … , etc.

Learning the Multiplication Combinations Once and for All

Adding and Subtracting: Alignment

Multiplying Numbers with Decimal Points

Division of Whole Numbers, Part 1

Division of Whole Numbers, Part 2

## Fractions

Multiplying and Dividing Chains of Fractions

Adding and Subtracting Fractions

Comparing Two Fractions: Which is Bigger

Converting Improper Fractions to Mixed Numbers

Converting Mixed Numbers to Improper Fractions

Changing Fractions to Decimals

Changing Decimals to Fractions