Unit 2

Helpful Videos

Adding Fractions with Unlike Denominators.webm

Adding Fractions with Unlike Denominators (same steps for subtracting fractions)

Adding Mixed Numbers.webm

Adding Mixed Numbers (same steps for subtracting mixed numbers)

Easiest Common Denominators (ECD) - MathAntics

Finding the Least Common Denominator (LCD) using common multiples - MathAntics

Simplifying Fractions using Prime Factors - MathAntics - this is a unique strategy that in the past I have used with the students as one of several options to simplify fractions.

Adding Mixed Numbers - MathAntics

Subtracting Mixed Numbers - MathAntics