The ribbon's price Whiteboard exercise Play

The simpler way to write algebraic expressions Whiteboard exercise Play

The standard index form on the calculator display Student activity Play

The sum of a positive number and its reciprocal Animation Play

The surface of a lake Animation Play

The tickets to the cinema Whiteboard exercise Play

The tickets to the ice ring Whiteboard exercise Play

The value of the expression Whiteboard exercise Play

The viral multiplication Slideshow Play

The way catalysts work Animation Play

The weight of Lena's purchases Animation Play

Titrimetric determination of reaction rate Student activity Play

Titrimetric method Animation Play

Traffic game Game Play

Transporting the sand Whiteboard exercise Play

Two-part calculations Whiteboard exercise Play

Two-part calculations Student activity Play

UHT process Slideshow Play

Using Hess's law Student activity Play

Using shortcuts Animation Play

Using standard enthalpies of formation Animation Play

Using the basic operations on integral exponents Animation Play

Using the distributive property Animation Play

Using ΔH°f and ΔH°c to determine standard enthalpies of reaction Student activity Play

Viral multiplication process Student activity Play