Arbitrary denominators Student activity Play

Completing circles Whiteboard exercise Play

Denominators of fractions extendable to the denominators 10, 100, 1000, ... Whiteboard exercise Play

Examples of fractions with the same denominators Animation Play

Finding common denominators Animation Play

Fractions extendable to the denominators 10, 100, 1000, ... Simulation Play

Fractions with denominators 10, 100, 1000, ... Student activity Play

Fractions with denominators 10, 100, 1000, ... Whiteboard exercise Play

Fractions with denominators 10, 100, 1000, ... More difficult problems Student activity Play

Fractions with the same denominators Whiteboard exercise Play

Fractions with the same denominators Student activity Play