Increase in red blood cells production Animation Play

Increases and decreases as percentages Student activity Play

Increases as percentages Whiteboard exercise Play

Intensity of a sound wave Simulation Play

Intensity of a sound wave Student activity Play

Interference of waves Student activity Play

Interference of waves Animation Play

Linear sequences Student activity Play

More about the rate of change Student activity Play

More about the rate of change Whiteboard exercise Play

Muscle mass increase Animation Play

On what does an increase in temperature depend? Simulation Play

On what does an increase in temperature depend? Student activity Play

On what does an increase in temperature depend? Whiteboard exercise Play

Other agents that increase the size of the ozone hole Slideshow Play

Other models – activity Student activity Play

Patterns and formulas – letter H Student activity Play

Percentage changes Whiteboard exercise Play

Percentage changes Student activity Play

Percentage increases and decreases Whiteboard exercise Play

Percentage increases and decreases Student activity Play

Percentage scale factor – increase Student activity Play

Percentage scale factor – increase Whiteboard exercise Play

Percentages Whiteboard presentation Play

Percentages Class activity Play